| Interstate-95 over Metro North Railroad | Poor | 465.9 ft | 121,500 | 1956 |
| Interstate-84 EB over I-84WB Rte8 Naugatuck Rv | Poor | 3766.1 ft | 63,000 | 1967 |
| Interstate-84 EB over Shadduck Road | Poor | 131.9 ft | 35,800 | 1964 |
| Route 15 NB over Quinnipiac River | Poor | 107.0 ft | 33,700 | 1946 |
| Interstate 84 WB over RTE 8 Naug Riv M-n Rr | Poor | 2461.0 ft | 33,600 | 1967 |
| Route 8 Northbound over Route 8 SB & Local Roads | Poor | 2633.9 ft | 30,400 | 1966 |
| Interstate-691 EB over Interstate-91 | Poor | 287.1 ft | 22,500 | 1965 |
| Route 40 SB over Amtrak Railroad | Poor | 122.0 ft | 22,200 | 1971 |
| Route 8 Southbound over Riverside St-sunnyside | Poor | 1588.9 ft | 16,900 | 1966 |
| SR 745 Kimberly Av over West River | Poor | 461.9 ft | 16,000 | 1969 |
| I-84 Tr 809 over Route 8 NB Riverside ST | Poor | 780.8 ft | 14,600 | 1966 |
| Quinnipiac Street over Wallace Raceway | Poor | 37.1 ft | 12,500 | 1915 |
| Toelles Road over Quinnipiac River | Poor | 119.1 ft | 8,703 | 1982 |
| SR 738 (e. Center over Interstate-91 | Poor | 308.1 ft | 8,000 | 1965 |
| Center Street over Harbor Brook | Poor | 24.9 ft | 6,186 | 1871 |
| SR 736 - Buckingha over Gulf Pond | Poor | 74.5 ft | 5,900 | 1951 |
| Route 146 over West River | Poor | 57.1 ft | 5,500 | 1910 |
| Oregon Road over Quinnipiac River | Poor | 174.9 ft | 4,900 | 1963 |
| I-84 Tr 808 over Route 8 SB & Ramp 129 | Poor | 651.9 ft | 4,200 | 1966 |
| Quarry Road over Interstate-95 | Poor | 171.9 ft | 4,100 | 1958 |
| Humphrey Street over Mill River | Poor | 85.0 ft | 4,100 | 1908 |
| Naugatuck Avenue over Metro North Railroad | Poor | 99.1 ft | 3,790 | 1929 |
| Eagle Street over Naugatuck River | Poor | 178.1 ft | 3,067 | 1956 |
| Clapboard Hill RD over East River | Poor | 39.0 ft | 3,000 | 1950 |
| Connelly Parkway over Mill River | Poor | 83.0 ft | 2,900 | 1940 |
| I-84 Ramp 197 over Ramp 202 Meadow Street | Poor | 671.9 ft | 2,800 | 1967 |
| Horton Hill Rd. over Marks Brook | Poor | 25.9 ft | 2,700 | 1940 |
| Route 337 over Morris Creek | Poor | 36.1 ft | 2,600 | 1936 |
| Waite Street over Lake Whitney | Poor | 65.0 ft | 2,000 | 1935 |
| Copse Road over Amtrak Railroad | Poor | 32.2 ft | 1,200 | 1910 |
| New Rock Hill Road over Interstate-91 | Poor | 287.7 ft | 950 | 1965 |
| Willow Street over Willow Brook | Poor | 29.9 ft | 625 | 1924 |
| Fort Path Road over Amtrak Railroad | Poor | 35.1 ft | 545 | 1910 |
| Interstate-91 over I-91 Ramp 002 | Fair | 47.9 ft | 141,200 | 1965 |
| Interstate-91&rt15 over Willow Brook | Fair | 23.0 ft | 136,800 | 1964 |
| Interstate-91 over Grand Avenue | Fair | 70.9 ft | 135,400 | 1965 |
| Interstate-95 over SR 745 (first Avenue) | Fair | 180.1 ft | 133,800 | 1956 |
| Interstate-91 over I-91 Ramps & Amtrak | Fair | 232.9 ft | 130,500 | 1965 |
| Interstate-95 over Wepawaug River | Fair | 50.9 ft | 130,100 | 1958 |
| Interstate-91 over Clinton Avenue | Fair | 80.7 ft | 129,400 | 1965 |
| Interstate 91 over N Front ST & Quinn River | Fair | 511.8 ft | 129,400 | 1964 |
| Interstate-91 over Amtrak Railroad | Fair | 272.6 ft | 129,400 | 1965 |
| Interstate-95 over Long Wharf Drive | Fair | 62.0 ft | 125,900 | 1958 |
| Interstate-91 over Brook | Fair | 21.0 ft | 120,200 | 1965 |
| Interstate 84 over SR 847 (south Main St.) | Fair | 64.0 ft | 114,900 | 1965 |
| Interstate-95 over Greta Street | Fair | 55.1 ft | 114,100 | 1957 |
| Interstate-95 over Route 121 | Fair | 57.1 ft | 113,500 | 1958 |
| Interstate-95 over Orange Avenue | Fair | 67.9 ft | 113,500 | 1958 |
| Interstate-91 NB over Sackett Point Road | Fair | 107.9 ft | 113,300 | 1965 |
| Interstate-91 over Route 17 | Fair | 184.1 ft | 112,800 | 1965 |
| Interstate-95 over US Route 1 | Fair | 187.0 ft | 108,900 | 1958 |
| Interstate-95 over Alling Crossing Road | Fair | 52.2 ft | 107,900 | 1957 |
| Interstate 95 over Indian River | Fair | 89.9 ft | 107,800 | 1958 |
| Interstate-95 over School House Road | Fair | 86.9 ft | 107,500 | 1957 |
| Interstate-95 over SR 796 (milford Parkway) | Fair | 174.9 ft | 106,100 | 1957 |
| Route 15 over Route 243 | Fair | 60.0 ft | 102,800 | 1948 |
| I-84 Ramps & Loca over Mad River | Fair | 66.9 ft | 99,800 | 1980 |
| I-84 Ramps & Loca over No Notable Feature | Fair | 35.1 ft | 99,800 | 1980 |
| Interstate-95 over East Town Road | Fair | 107.0 ft | 99,700 | 1958 |
| Interstate-95 over West Avenue | Fair | 94.2 ft | 97,600 | 1957 |
| Interstate-95 over Metro North Railroad | Fair | 276.9 ft | 95,100 | 1957 |
| I-95 & I-95 Ramp 1 over I-95 Ramps 115 & 117 | Fair | 94.2 ft | 86,600 | 1957 |
| Interstate 95 over Lake Saltonstall | Fair | 834.0 ft | 84,500 | 1998 |
| Interstate-91 over Spoon Shop Brook | Fair | 24.9 ft | 83,900 | 1965 |
| Interstate-691 over Harbor Brook | Fair | 43.3 ft | 82,700 | 1971 |
| Route 15 over Lane Street | Fair | 79.1 ft | 79,800 | 1949 |
| Interstate-691 over Bunker Avenue | Fair | 96.1 ft | 78,500 | 1971 |
| Interstate-691 over Abandoned Railroad Line | Fair | 45.9 ft | 78,500 | 1971 |
| Route 15 over Gilbert AVE | Fair | 60.0 ft | 77,800 | 1949 |
| Route 15 over Wilmot Brook | Fair | 25.9 ft | 77,800 | 1949 |
| Route 15 over Circular Avenue | Fair | 74.1 ft | 77,800 | 1948 |
| Interstate-84 over Welton Brook | Fair | 24.0 ft | 77,100 | 1965 |
| Interstate-95 over US Rt. 1 SB And Amtrak | Fair | 291.0 ft | 76,400 | 1958 |
| Route 8 over Route 34 & Rr Drive | Fair | 381.9 ft | 74,400 | 1951 |
| Route 8 over Abandoned Railroad | Fair | 61.0 ft | 73,900 | 1951 |
| Interstate I-84 over Hop Brook | Fair | 29.9 ft | 73,700 | 1964 |
| Route 8 over Housatonic Railroad | Fair | 133.9 ft | 73,500 | 1950 |
| Route 15 over SR 796 | Fair | 71.9 ft | 73,300 | 1940 |
| Interstate-91 NB over Mill Rv-state ST Rmp 140 | Fair | 1076.1 ft | 73,200 | 1965 |
| I-91 NB & Ramp 136 over East Street | Fair | 105.0 ft | 73,200 | 1965 |
| Route 15 over Mill Brook | Fair | 30.8 ft | 72,600 | 1943 |
| Route 8 over SR 846 Northbound | Fair | 96.1 ft | 72,500 | 1965 |
| Interstate-691 over Colony Street | Fair | 162.1 ft | 72,400 | 1971 |
| Route 15 over Miller Avenue | Fair | 48.9 ft | 71,100 | 1946 |
| Interstate-95 over Ivy Street | Fair | 55.1 ft | 70,500 | 1958 |
| Interstate-95 over Mill Plain Road | Fair | 54.1 ft | 70,500 | 1958 |
| Interstate-691 over Amtrak Yard & State ST | Fair | 426.8 ft | 70,400 | 1970 |
| Interstate-691 over Center Street | Fair | 85.0 ft | 70,400 | 1971 |
| Route 15 over Connolly PKWY | Fair | 574.1 ft | 69,700 | 1948 |
| Interstate 84 EB over Route 172 | Fair | 129.9 ft | 69,400 | 1963 |
| I-91 SB & Ramp #13 over East Street | Fair | 106.0 ft | 69,000 | 1965 |
| Route 15 over SR 717 (dixwell Ave) | Fair | 70.9 ft | 68,600 | 1946 |
| Route 15 over Wepawaug River | Fair | 52.2 ft | 68,300 | 1949 |
| Route 15 over Route 63 | Fair | 72.8 ft | 68,300 | 1948 |
| Route 15 over Route 10 | Fair | 131.9 ft | 67,800 | 1948 |
| Route 15 over SR 707(whitney Ave.) | Fair | 126.0 ft | 67,800 | 1946 |
| Route 15 over Route 68 | Fair | 33.1 ft | 65,800 | 1946 |
| Route 15 over Amtrak Railroad | Fair | 77.1 ft | 65,800 | 1947 |
| Interstate-95 over Branford Steam Railroad | Fair | 95.1 ft | 65,200 | 1958 |
| Interstate-91 SB over Humphrey Street | Fair | 84.0 ft | 65,100 | 1965 |
| I-91 SB & Ramp C over Willow Street | Fair | 90.9 ft | 64,300 | 1965 |
| Route 8 over Hull Street | Fair | 49.9 ft | 63,800 | 1956 |
| Route 15 over Quinnipiac Street | Fair | 57.1 ft | 63,700 | 1947 |
| Interstate-91 NB over Humphrey Street | Fair | 86.0 ft | 63,700 | 1965 |
| Route 8 over SR 727 SB Pershing Drive | Fair | 169.9 ft | 63,600 | 1951 |
| Interstate-91 SB over State ST Mill Riv Ramps | Fair | 1044.0 ft | 63,400 | 1965 |
| Interstate 95 over East Branch West River | Fair | 21.0 ft | 63,000 | 1958 |
| Interstate-95 over East River Road | Fair | 66.9 ft | 62,800 | 1957 |
| Interstate-91 NB over Willow Street | Fair | 75.1 ft | 62,000 | 1965 |
| Interstate-91 NB over US 5 & Amtrak & Ferry ST | Fair | 854.7 ft | 62,000 | 1964 |
| Route 15 over US Route 5 | Fair | 109.9 ft | 60,400 | 1998 |
| Interstate-91 SB over US 5 & Amtrak & Ferry ST | Fair | 694.2 ft | 60,300 | 1964 |
| Interstate-95 over SR 718 | Fair | 58.1 ft | 60,000 | 1958 |
| Interstate-95 over West Branch West River | Fair | 29.9 ft | 59,300 | 1958 |
| Interstate-95 over US Route 1 | Fair | 216.5 ft | 59,100 | 1958 |
| Route 8 over Division Street | Fair | 64.0 ft | 59,000 | 1956 |
| Route 15 over Route 69 & West River | Fair | 256.9 ft | 58,500 | 1949 |
| Route 8 over Route 8 Ramp 064 | Fair | 95.1 ft | 58,300 | 1960 |
| SR 796 (milford Pa over East Rutland Road | Fair | 36.1 ft | 56,700 | 1941 |
| Interstate 95 Sout over Us1 Quinnipiac Rv P&w Rr | Fair | 4598.1 ft | 56,600 | 2015 |
| Interstate-91 NB over Muddy River | Fair | 89.9 ft | 55,750 | 1965 |
| Interstate-91 SB over Sackett Point Road | Fair | 128.9 ft | 54,700 | 1965 |
| Interstate 95 Nort over Us1 Quinnipiac Rv P&w Rr | Fair | 4644.0 ft | 54,500 | 2014 |
| Interstate-95 over East River | Fair | 165.7 ft | 54,500 | 1957 |
| Interstate 84 WB over Bank Street & Ramp 199 | Fair | 132.9 ft | 54,500 | 1965 |
| Route 8 over SR 728 (derby Avenue) | Fair | 205.1 ft | 53,800 | 1961 |
| Interstate-95 over Route 77 | Fair | 56.1 ft | 53,600 | 1958 |
| Interstate-91 NB over Csx Railroad | Fair | 89.9 ft | 52,900 | 1965 |
| Route 8 NB over Ramp From Lower Derby RD | Fair | 142.1 ft | 52,800 | 1961 |
| Interstate-91 SB over SR 715 (montowese Ave) | Fair | 121.1 ft | 52,700 | 1965 |
| Interstate-91 SB over Csx Railroad | Fair | 101.0 ft | 52,700 | 1965 |
| Interstate-95 over River RD &hammonasset Rv | Fair | 190.9 ft | 52,200 | 1957 |
| Route 8 over Maple & Oak ST Ramp 063 | Fair | 842.8 ft | 51,500 | 1960 |
| Route 8 over Fulling Mill Brook | Fair | 29.9 ft | 51,400 | 1960 |
| Interstate-84 WB over Pierpont Road | Fair | 62.0 ft | 50,850 | 2006 |
| Route 8 over SR 847 - South Main St. | Fair | 241.1 ft | 50,700 | 1965 |
| Interstate-91 over Little River | Fair | 47.9 ft | 50,400 | 1965 |
| Route 8 over Route 8 Ramp 069 | Fair | 68.9 ft | 49,900 | 1960 |
| Route 8 over Route 8 SB On Ramp | Fair | 55.1 ft | 49,400 | 1960 |
| Interstate-91 NB over Baldwin Avenue | Fair | 87.9 ft | 49,200 | 1964 |
| Interstate-91 SB over Baldwin Avenue | Fair | 87.9 ft | 48,600 | 1964 |
| Rt8 & Rmps 139 140 over Beacon Hill Brook | Fair | 42.0 ft | 48,000 | 1981 |
| Route 8 over RTE 42 & Naugatuck River | Fair | 437.0 ft | 47,700 | 1981 |
| Route 8 over Metro-nrth Rr&private RD | Fair | 183.4 ft | 47,700 | 1981 |
| SR 724 Eastbound over Brewery Street | Fair | 149.9 ft | 47,375 | 1960 |
| Interstate-91 NB over SR 715 (montowese Ave.) | Fair | 117.1 ft | 47,300 | 1965 |
| Interstate 84 WB over Washington Street | Fair | 164.0 ft | 46,700 | 1980 |
| Interstate-91 SB over Stoddard Avenue | Fair | 90.9 ft | 45,400 | 1965 |
| Interstate-84 EB over Route 70 | Fair | 225.1 ft | 45,100 | 1961 |
| Interstate-91 SB over Amtrak Railroad | Fair | 266.4 ft | 43,000 | 1965 |
| Route 8 over Route 63 | Fair | 67.9 ft | 42,700 | 1960 |
| Route 8 over SR 709 South Main Street | Fair | 126.0 ft | 42,700 | 1960 |
| I-91 SB & Tr 813 over Bee Street | Fair | 77.1 ft | 42,500 | 1965 |
| I-691 WB And Ramps over Willow Brook | Fair | 22.0 ft | 42,500 | 1965 |
| Route 8 over RTE 67 Metro N & Ramp 49 | Fair | 1725.1 ft | 42,100 | 1962 |
| Interstate-84 WB over Route 70 | Fair | 201.1 ft | 41,700 | 1961 |
| Interstate-691 EB over Gravel Street | Fair | 66.9 ft | 41,500 | 1965 |
| Interstate-91 NB over Bee Street | Fair | 77.4 ft | 41,400 | 1965 |
| Interstate 84 EB over Washington Street | Fair | 164.0 ft | 41,300 | 1980 |
| Interstate-691 EB over US Route 5 | Fair | 74.1 ft | 40,700 | 1971 |
| Route 15 SB over Wintergreen AVE & Brook | Fair | 69.9 ft | 39,960 | 1949 |
| Route 15 NB over Wintergreen AVE & Brook | Fair | 69.9 ft | 39,400 | 1949 |
| Interstate-91 SB over Amtrak Railroad | Fair | 271.0 ft | 38,700 | 1965 |
| Interstate-91 NB over Amtrak Railroad | Fair | 277.6 ft | 38,000 | 1965 |
| Interstate-91 NB over Amtrak Railroad | Fair | 296.6 ft | 38,000 | 1965 |
| Interstate-91 NB over US Route 5 | Fair | 143.0 ft | 38,000 | 1965 |
| Interstate-691 WB over Future I-691 Tr 804 | Fair | 89.9 ft | 37,200 | 1965 |
| Interstate-691 WB over Gravel Street | Fair | 63.0 ft | 37,200 | 1965 |
| Route 15 NB over Interstate-91 & Ramp 145 | Fair | 377.0 ft | 37,100 | 1964 |
| Interstate-91 NB over Pond Hill Road | Fair | 57.4 ft | 36,800 | 1965 |
| Interstate 84 EB over Peter Road | Fair | 162.1 ft | 36,400 | 1963 |
| Interstate 84 WB over Peter Road | Fair | 129.9 ft | 36,100 | 1963 |
| Interstate-691 WB over Route 15 | Fair | 182.1 ft | 36,100 | 1965 |
| Interstate-91 SB over Pond Hill Road | Fair | 57.1 ft | 36,000 | 1965 |
| Route 15 SB over Quinnipiac River | Fair | 107.0 ft | 35,800 | 1946 |
| Interstate 84 EB over Long Meadow Road | Fair | 157.2 ft | 35,800 | 1964 |
| Interstate 84 EB over Sandy Hill Road | Fair | 211.9 ft | 35,800 | 1964 |
| Interstate 84 EB over Route 188 | Fair | 115.2 ft | 35,800 | 1964 |
| Route 8 Southbound over West Main Street #1 | Fair | 133.9 ft | 35,600 | 1965 |
| Interstate 84 WB over Long Meadow Road | Fair | 154.9 ft | 35,300 | 1964 |
| Interstate 84 WB over Sandy Hill Road | Fair | 211.9 ft | 35,300 | 1964 |
| Interstate 84 WB over Bioski Road | Fair | 107.9 ft | 35,300 | 1964 |
| Interstate-84 WB over Shadduck Road | Fair | 130.2 ft | 35,300 | 1964 |
| Interstate 84 WB over Route 188 | Fair | 123.0 ft | 35,300 | 1964 |
| Interstate-691 WB over Lewis AVE | Fair | 274.0 ft | 35,300 | 1971 |
| Interstate-691 WB over Reservoir AVE & Stream | Fair | 296.9 ft | 35,200 | 1971 |
| Route 8 Northbound over West Main Street No.1 | Fair | 133.9 ft | 35,100 | 1965 |
| Interstate 84 EB over Route 188 | Fair | 110.9 ft | 34,900 | 1964 |
| Route 34 over Wepawaug River | Fair | 24.0 ft | 34,600 | 1855 |
| Interstate-691 EB over Notch Road | Fair | 153.9 ft | 34,600 | 1971 |
| Interstate-691 EB over Reservoir AVE & Stream | Fair | 225.1 ft | 34,600 | 1970 |
| Route 34 over Metro North Railroad | Fair | 44.0 ft | 33,800 | 1951 |
| Route 34 over Naugatuck River | Fair | 329.7 ft | 33,800 | 1959 |
| Interstate 84 WB over Route 172 | Fair | 130.9 ft | 33,000 | 1963 |
| Interstate-691 WB over US Route 5 | Fair | 74.1 ft | 32,800 | 1971 |
| Interstate-91 NB over Route 150 | Fair | 65.9 ft | 32,800 | 1965 |
| Interstate-91 SB over Route 150 | Fair | 65.9 ft | 32,700 | 1965 |
| Interstate-91 SB over US Route 5 | Fair | 143.4 ft | 32,600 | 1965 |
| Interstate-91 SB over I-91 Tr 807 | Fair | 48.9 ft | 32,300 | 1965 |
| Interstate-91 NB over Interstate-91 Tr 807 | Fair | 214.9 ft | 32,200 | 1965 |
| Interstate 84 WB over Route 188 | Fair | 119.1 ft | 32,000 | 1964 |
| Interstate-691 WB over Notch Road | Fair | 170.9 ft | 32,000 | 1971 |
| Interstate-691 EB over Lewis AVE | Fair | 229.0 ft | 31,700 | 1971 |
| Interstate 84 WB over Route 63 | Fair | 198.2 ft | 31,500 | 1964 |
| Interstate 84 EB over Route 63 | Fair | 209.0 ft | 31,100 | 1964 |
| Interstate 84 EB over US RTE 6 RTE 67 Stream | Fair | 279.9 ft | 30,900 | 1963 |
| Route 34 over Route 15 | Fair | 101.0 ft | 30,100 | 1941 |
| Interstate 84 WB over US RTE 6 RTE 67 Stream | Fair | 227.0 ft | 30,000 | 1963 |
| Route 15 NB over Interstate-91 & Tr 3 | Fair | 325.1 ft | 28,900 | 1964 |
| Interstate-691 WB over Ten Mile River | Fair | 225.4 ft | 28,500 | 1986 |
| Interstate-691 EB over Ten Mile River | Fair | 225.4 ft | 28,500 | 1986 |
| Interstate-691 WB over Knotter Drive | Fair | 107.0 ft | 28,500 | 1986 |
| Route 40 NB over Csx Rr Quinnipiac River | Fair | 800.9 ft | 28,400 | 1972 |
| Route 8 over RTE 313 & Naugatuck Riv | Fair | 1003.0 ft | 27,300 | 1961 |
| Route 8 Southbound over Pan Am So. Rr Spur Line | Fair | 144.0 ft | 27,050 | 1964 |
| Route 8 SB over NB Acc Lower Derby AVE | Fair | 141.1 ft | 27,000 | 1961 |
| Route 8 Northbound over Naugatuck Rv-local Roads | Fair | 606.0 ft | 26,900 | 1966 |
| Route 8 Northbound over Metro-north Railroad | Fair | 703.7 ft | 26,900 | 1966 |
| Route 8 Northbound over Nichols Drive | Fair | 190.9 ft | 26,350 | 1965 |
| Route 8 Northbound over Steele Brook | Fair | 149.9 ft | 26,300 | 1965 |
| Route 8 Northbound over Pan Am So. Rr Spur Line | Fair | 145.0 ft | 26,300 | 1964 |
| Route 8 Southbound over Route 73 Westbound | Fair | 261.2 ft | 25,900 | 1965 |
| Route 8 Southbound over Steele Brook | Fair | 183.1 ft | 25,900 | 1965 |
| Route 8 Southbound over Naugatuck Rv-local Roads | Fair | 606.0 ft | 25,800 | 1966 |
| Route 8 Southbound over Metro North Railroad | Fair | 694.9 ft | 25,800 | 1966 |
| Route 8 Southbound over Nichols Drive | Fair | 169.0 ft | 25,800 | 1965 |
| US Route 1 over Farm River | Fair | 35.1 ft | 25,500 | 1938 |
| Route 8 SB over Riverside Street SB | Fair | 117.1 ft | 25,500 | 1965 |
| Route 8 Northbound over Fifth Street | Fair | 94.2 ft | 25,300 | 1965 |
| Route 8 Northbound over Porter Street | Fair | 95.1 ft | 25,300 | 1965 |
| Route 8 Northbound over Washington Avenue | Fair | 73.2 ft | 25,300 | 1965 |
| Route 8 Northbound over Bank & S.leonard Streets | Fair | 165.0 ft | 25,300 | 1966 |
| Huntingdon Avenue over Hancock Brook | Fair | 45.9 ft | 24,900 | 1940 |
| Route 8 Northbound over Metro North & Naugtck Rv | Fair | 513.1 ft | 24,800 | 1981 |
| Route 15 over Baldwins Pond | Fair | 28.9 ft | 24,200 | 1946 |
| Route 15 over Westfield Road | Fair | 49.9 ft | 24,200 | 1946 |
| I-91 132 134 136 over State Street | Fair | 100.1 ft | 23,900 | 1965 |
| Route 8 Southbound over Fifth Street | Fair | 94.2 ft | 23,800 | 1965 |
| Route 8 Southbound over Porter Street | Fair | 95.1 ft | 23,800 | 1965 |
| Route 8 Southbound over Washington Avenue | Fair | 77.1 ft | 23,800 | 1965 |
| Route 8 Southbound over Bank & S.leonard Streets | Fair | 199.1 ft | 23,800 | 1965 |
| Huntingdon Avenue over Naugatuck River | Fair | 157.5 ft | 23,800 | 1971 |
| Huntingdon Avenue over Dot Railroad | Fair | 45.9 ft | 23,800 | 1956 |
| Route 69 over Stream | Fair | 24.9 ft | 23,400 | 1969 |
| Route 63 over West River | Fair | 87.9 ft | 23,100 | 1921 |
| Route 17 over Little River | Fair | 43.0 ft | 23,100 | 1965 |
| Route 8 Southbound over Mnrr Naugtck Rv | Fair | 546.9 ft | 22,900 | 1981 |
| Interstate-691 EB over Route 15 | Fair | 190.0 ft | 22,500 | 1965 |
| Interstate-691 EB over Interstate-691 Tr 802 | Fair | 89.9 ft | 22,500 | 1965 |
| Interstate 691 Eas over Bee Street | Fair | 58.1 ft | 22,500 | 1965 |
| Interstate 691 EB over I-91 Tr 813 | Fair | 83.0 ft | 22,500 | 1965 |
| Interstate-691 EB over Spoon Shop Brook | Fair | 24.9 ft | 22,500 | 1965 |
| Interstate-691 EB over Willow Brook | Fair | 22.0 ft | 22,500 | 1965 |
| Route 40 SB over Csx Rr Quinnipiac River | Fair | 799.9 ft | 22,200 | 1972 |
| Route 40 SB over US Route 5 | Fair | 96.1 ft | 22,200 | 1972 |
| I-91 Tr 811 over Route 15 Southbound | Fair | 190.0 ft | 21,900 | 1964 |
| Interstate 691 Wes over Bee Street | Fair | 58.1 ft | 20,700 | 1965 |
| Interstate-691 WB over Spoon Shop Brook | Fair | 25.9 ft | 20,700 | 1965 |
| I-84 EB Collector over Washington Street | Fair | 165.0 ft | 20,600 | 1978 |
| Route 40 NB over Amtrak Railroad | Fair | 124.7 ft | 20,500 | 1971 |
| SR 846 over Naugatuck River | Fair | 193.9 ft | 20,300 | 1922 |
| Route 67 over Little River | Fair | 86.9 ft | 19,400 | 1950 |
| Route 68 over Quinnipiac River | Fair | 149.9 ft | 19,400 | 1965 |
| Marsh Hill Road over I-95 & I-95 Ramp 352 | Fair | 297.9 ft | 18,900 | 2001 |
| Marsh Hill Road over Metro-north Railroad | Fair | 81.0 ft | 18,900 | 1893 |
| SR 717 over Mill River | Fair | 70.9 ft | 18,600 | 1948 |
| US Route 5 over Quinnipiac River | Fair | 227.0 ft | 18,600 | 1973 |
| US Route 5 over I-91 Amtrak Ramp B | Fair | 501.0 ft | 18,600 | 1973 |
| Route 67 over Bladens River | Fair | 32.2 ft | 18,300 | 1936 |
| Route 34 over West River | Fair | 78.1 ft | 18,300 | 1925 |
| Route 8 Northbound over Huntingdon Avenue | Fair | 65.0 ft | 17,900 | 1964 |
| East Main Street over I-91 Route 15 & Ramp 147 | Fair | 297.9 ft | 17,800 | 1965 |
| Route 8 Southbound over Huntingdon Avenue | Fair | 75.1 ft | 17,500 | 1964 |
| Route 67 over Little River | Fair | 70.9 ft | 17,200 | 1934 |
| Route 67 over Little River | Fair | 112.9 ft | 17,200 | 1950 |
| Route 10 over Metro North Railroad | Fair | 894.0 ft | 16,900 | 1977 |
| Route 67 over Little River | Fair | 25.9 ft | 16,900 | 1987 |
| US Route 5 over Harbor Brook | Fair | 38.1 ft | 16,744 | 1892 |
| I-91 NB Ramp 016 over Little River | Fair | 48.9 ft | 16,600 | 1965 |
| US Route 1 over Housatonic River | Fair | 877.0 ft | 16,500 | 1921 |
| Route 80 over Branford River | Fair | 34.1 ft | 16,300 | 1930 |
| Route 68 over Amtrak & US Route 5 | Fair | 287.4 ft | 15,900 | 1965 |
| Route 67 over Naugatuck River | Fair | 268.0 ft | 15,600 | 1936 |
| Route 100 over US Route 1 & Amtrak Rr | Fair | 164.4 ft | 15,600 | 1992 |
| US Route 1 over Queach Brook | Fair | 29.9 ft | 15,500 | 2009 |
| Route 10 over Willow Brook | Fair | 67.9 ft | 15,300 | 1991 |
| Church Street over Church Street Tunnel | Fair | 38.1 ft | 15,300 | 1963 |
| SR 845 (chase Park over Interstate 84 & Ramp 053 | Fair | 230.0 ft | 15,200 | 1965 |
| Highland Avenue over Interstate 84 | Fair | 288.1 ft | 15,200 | 1966 |
| Route 70 over Ten Mile River | Fair | 52.2 ft | 15,000 | 1989 |
| Route 22 over Route 15 | Fair | 108.9 ft | 14,800 | 1947 |
| Route 67 over Little River | Fair | 37.1 ft | 14,800 | 1933 |
| SR 853 over Naugatuck River S Div ST | Fair | 458.0 ft | 14,700 | 2004 |
| Route 10 over Interstate 691 | Fair | 234.9 ft | 14,700 | 1984 |
| Route 68 over Muddy River | Fair | 44.0 ft | 14,700 | 1992 |
| Route 67 over Little River | Fair | 35.1 ft | 14,600 | 1926 |
| Route 68 over Interstate-91 | Fair | 335.0 ft | 14,400 | 2004 |
| Grand Avenue over Mill River East | Fair | 65.9 ft | 14,400 | 1982 |
| Grand Avenue over Mill River West | Fair | 56.1 ft | 14,400 | 1982 |
| Universal DR North over Muddy River | Fair | 52.2 ft | 14,364 | 1960 |
| Route 162 over Wepawaug River | Fair | 24.0 ft | 14,300 | 1889 |
| I-84 Tr 810 over Route 8 NB & Ramp 128 | Fair | 629.9 ft | 14,300 | 1967 |
| Route 67 over Jacks Brook | Fair | 24.0 ft | 13,900 | 1933 |
| Route 67 over Little River | Fair | 38.1 ft | 13,900 | 1933 |
| Route 150 over Quinnipiac River | Fair | 119.4 ft | 13,800 | 1951 |
| SR 847 (thomaston over Naugatuck Railroad | Fair | 157.2 ft | 13,800 | 1981 |
| Route 67 over Little River | Fair | 40.0 ft | 13,700 | 1933 |
| Route 67 over Little River | Fair | 38.1 ft | 13,700 | 1933 |
| Interstate-691 WB over Interstate-91 | Fair | 287.1 ft | 13,600 | 1965 |
| Ferry Street over Amtrak Railroad | Fair | 119.8 ft | 13,600 | 1912 |
| College Street over North Service Drive | Fair | 35.1 ft | 13,587 | 2015 |
| College Street over South Service Drive | Fair | 35.1 ft | 13,587 | 2015 |
| Middletown Avenue over Quinnipiac River | Fair | 171.9 ft | 13,545 | 1989 |
| US Route 1 over Metro North Railroad | Fair | 181.4 ft | 13,536 | 1933 |
| Route 79 over Interstate-95 | Fair | 166.0 ft | 13,500 | 1957 |
| Skiff Street over Route 15 | Fair | 94.2 ft | 13,400 | 1948 |
| Baldwin Street #1 over I-84 Ramps & Local Rds | Fair | 544.9 ft | 13,400 | 1978 |
| Route 63 over Hop Brook | Fair | 95.1 ft | 13,300 | 1966 |
| Route 68 over P&w Rr | Fair | 108.9 ft | 13,200 | 1967 |
| Route 162 over Indian River | Fair | 64.0 ft | 13,200 | 1988 |
| Maple Street over Naugatuck River | Fair | 180.1 ft | 12,900 | 1912 |
| Plains Road No. 1 over Interstate-95 | Fair | 187.0 ft | 12,600 | 1957 |
| Route 8 Northbound over Freight Street | Fair | 138.1 ft | 12,550 | 1966 |
| Quinnipiac Street over Quinnipiac River | Fair | 126.0 ft | 12,500 | 1938 |
| US Route 1 & Pw Rr over Quinnipiac River | Fair | 936.0 ft | 12,400 | 2002 |
| Route 68 over Fulling Mill Brook | Fair | 27.9 ft | 12,300 | 1933 |
| Route 68 over Fulling Mill Brook | Fair | 25.9 ft | 12,300 | 1933 |
| Route 150 over Route 15 | Fair | 104.0 ft | 12,200 | 1947 |
| Route 22 over Farm River | Fair | 36.1 ft | 12,200 | 1935 |
| Route 73 over Steele Brook | Fair | 55.4 ft | 12,000 | 1914 |
| I-91 Tr 816 over Route 66 WB | Fair | 157.2 ft | 11,900 | 1965 |
| Route 67 over Eight Mile Brook | Fair | 46.9 ft | 11,800 | 1934 |
| Bank Street over Naugatuck River | Fair | 180.4 ft | 11,800 | 1956 |
| I-84 Tr 812 over Riverside ST Naugatuck R | Fair | 777.9 ft | 11,700 | 1966 |
| Route 40 SB over Route 15 (wilbur Cross) | Fair | 208.0 ft | 11,700 | 1976 |
| Route 40 SB over Route 22 & Mill River | Fair | 245.7 ft | 11,700 | 1976 |
| Route 40 NB over Route 22 & Mill River | Fair | 246.1 ft | 11,300 | 1976 |
| Route 34 over Four Mile Brook | Fair | 23.0 ft | 11,100 | 1930 |
| Route 67 over Bladens River | Fair | 40.0 ft | 11,100 | 1928 |
| I-91 NB Ramp 138 over Mill River | Fair | 151.9 ft | 11,000 | 1965 |
| I-84 Tr 811 over I-84 Tr 812 & Naugatuck | Fair | 877.0 ft | 11,000 | 1966 |
| Route 40 NB over Route 15 (wilbur Cross) | Fair | 208.0 ft | 11,000 | 1976 |
| Route 40 NB over South New Road | Fair | 107.9 ft | 11,000 | 1976 |
| Frost Road over Mad River | Fair | 53.1 ft | 11,000 | 1965 |
| Route 63 over Long Meadow Brook | Fair | 33.1 ft | 10,800 | 1961 |
| Route 79 over Amtrak Railroad | Fair | 128.9 ft | 10,800 | 1957 |
| Route 68 over Hop Brook | Fair | 47.9 ft | 10,800 | 1933 |
| Route 22 over Muddy River | Fair | 37.1 ft | 10,800 | 1947 |
| Route 40 SB over South New Road | Fair | 106.0 ft | 10,700 | 1976 |
| Route 69 over Mad River | Fair | 30.8 ft | 10,400 | 1935 |
| SR 723 over Fulling Mill Brook | Fair | 40.0 ft | 10,400 | 1959 |
| High Street over I-95 & I-95 SB Tr 807 | Fair | 204.1 ft | 10,375 | 1957 |
| Route 40 SB over Hartford Turnpike | Fair | 96.1 ft | 10,300 | 1976 |
| SR 847 over Hancock Brook | Fair | 49.9 ft | 10,200 | 1934 |
| Allings Crossing over Metro North Railroad | Fair | 160.8 ft | 10,153 | 1970 |
| East Main Street over Mad River | Fair | 57.1 ft | 10,100 | 1943 |
| Route 64 over Hop Brook | Fair | 30.8 ft | 10,000 | 1928 |
| Route 114 over Route 15 | Fair | 86.9 ft | 10,000 | 1949 |
| US Route 1 over East River | Fair | 140.1 ft | 10,000 | 1971 |
| Route 313 over Naugatuck River | Fair | 473.1 ft | 9,900 | 1958 |
| Route 40 NB over US Route 5 | Fair | 98.1 ft | 9,800 | 1972 |
| Grand Avenue over Metro North Railroad | Fair | 178.1 ft | 9,800 | 1933 |
| SR 844 over Mad River | Fair | 50.9 ft | 9,700 | 1935 |
| Route 34 over Derby Canal | Fair | 75.1 ft | 9,600 | 1952 |
| I-91 Ramp 136 over Humphrey Street | Fair | 79.1 ft | 9,500 | 1965 |
| George Street over Church Street Tunnel | Fair | 344.2 ft | 9,500 | 1963 |
| Davis Street over Lake Whitney | Fair | 125.0 ft | 9,355 | 1992 |
| Noroton Avenue over Interstate 95 | Fair | 167.3 ft | 9,300 | 1958 |
| SR 745 (first Ave) over Metro North Railroad | Fair | 71.9 ft | 9,300 | 1900 |
| Route 334 over Naugatuck River & Mn Rr | Fair | 440.9 ft | 9,300 | 1958 |
| Route 334 over Route 8 | Fair | 228.0 ft | 9,100 | 1959 |
| Route 67 over Little River | Fair | 24.0 ft | 9,100 | 1933 |
| Route 67 over Little River | Fair | 24.0 ft | 9,100 | 1933 |
| Route 71 over Interstate-691 | Fair | 194.9 ft | 8,900 | 1971 |
| Route 63 over Beacon Hill Brook | Fair | 34.1 ft | 8,900 | 1966 |
| Route 40 SB over Route 10 | Fair | 125.0 ft | 8,900 | 1976 |
| Ssr 450 over Interstate-95 | Fair | 191.9 ft | 8,700 | 1957 |
| Route 121 over Route 15 | Fair | 162.1 ft | 8,700 | 1941 |
| East Main Street over Harbor Brook | Fair | 33.1 ft | 8,700 | 1960 |
| Route 162 over Oyster River | Fair | 36.1 ft | 8,700 | 1987 |
| Chapel Street over Prov & Worc Railroad | Fair | 53.1 ft | 8,452 | 1912 |
| River Street over Wepawaug River | Fair | 64.0 ft | 8,345 | 1934 |
| RT 64 Eb/i-84 Ramp over Interstate 84 | Fair | 387.1 ft | 8,200 | 1965 |
| Route 17 over Brook | Fair | 22.0 ft | 8,200 | 1970 |
| US Route 1 over Hammonasset River | Fair | 159.1 ft | 8,000 | 1961 |
| Route 17 over Five Mile Brook | Fair | 44.0 ft | 8,000 | 1995 |
| East Aurora Street over Steele Brook | Fair | 108.9 ft | 7,900 | 1963 |
| Church ST South #1 over Route 34 | Fair | 163.1 ft | 7,800 | 1960 |
| SR 727 over Naugatuck River & Mnrr | Fair | 393.0 ft | 7,800 | 1960 |
| South Main Street over Beacon Falls Canal | Fair | 33.1 ft | 7,800 | 1920 |
| Route 103 over Muddy River | Fair | 140.1 ft | 7,700 | 1961 |
| RTE 103(maple Ave) over Csx Railroad | Fair | 75.1 ft | 7,700 | 1961 |
| Chapel Street over Metro North | Fair | 132.9 ft | 7,700 | 1994 |
| Derby Milford Road over Route 15 | Fair | 141.1 ft | 7,600 | 1941 |
| I-91 Tr 808 & SR 7 over Pond Hill Road | Fair | 61.0 ft | 7,600 | 1965 |
| I-84 Ramp 200 over I-84 Ramps 199&202 Bank | Fair | 295.9 ft | 7,600 | 1966 |
| Freight Street over Naugatuck River | Fair | 178.1 ft | 7,600 | 1925 |
| SR 729 over Quinnipiac River | Fair | 124.0 ft | 7,600 | 1989 |
| US Route 1 over Neck River | Fair | 20.0 ft | 7,500 | 1914 |
| US Route 5 NB over Route 15 | Fair | 158.5 ft | 7,500 | 1946 |
| SR 847 over Mad River | Fair | 73.2 ft | 7,300 | 1935 |
| Rubber Avenue over Long Meadow Pond Brook | Fair | 65.0 ft | 7,300 | 1983 |
| Pond Lily Avenue over West River | Fair | 70.9 ft | 7,300 | 1991 |
| Ssr 450 over Amtrak & Scotland Road | Fair | 155.5 ft | 7,200 | 1957 |
| I-91 Tr 806 over Interstate-91 | Fair | 265.1 ft | 7,200 | 1972 |
| US Route 1 over Metro North Railroad | Fair | 170.9 ft | 7,100 | 1900 |
| Route 80 over West River | Fair | 24.0 ft | 7,100 | 1934 |
| I-84 Tr 806 over I84 Tr 808 809 Riverside | Fair | 703.1 ft | 7,100 | 1965 |
| I-84 EB Tr 806 over I-84 WB & I-84 Tr 202 | Fair | 141.1 ft | 7,100 | 1965 |
| Route 42 over Naugatuck River And Mnrr | Fair | 565.0 ft | 7,100 | 1966 |
| Pine Orchard Road over Branford River | Fair | 76.1 ft | 7,100 | 1960 |
| Howard Avenue over Metro North Railroad | Fair | 79.1 ft | 7,100 | 1920 |
| Ocean Avenue #1 over Cove River | Fair | 34.1 ft | 7,100 | 1935 |
| Route 172 over Pomperaug River | Fair | 167.0 ft | 7,000 | 1939 |
| Blake Street over Wintergreen Brook | Fair | 47.9 ft | 7,000 | 1939 |
| Blake Street over West River | Fair | 97.1 ft | 7,000 | 1995 |
| Route 40 NB over I-91 & Tr 806 RTE 40-007 | Fair | 620.1 ft | 6,900 | 1972 |
| I-91 Ramp 132 over I-91 Ramp 135 & Amtrak | Fair | 227.0 ft | 6,800 | 1965 |
| Hanover Street over Harbor Brook | Fair | 45.9 ft | 6,700 | 1930 |
| Porter Avenue over Hop Brook | Fair | 55.1 ft | 6,650 | 1940 |
| Route 322 over Mad River | Fair | 37.1 ft | 6,600 | 1997 |
| Route 22 over Munger Brook | Fair | 23.0 ft | 6,400 | 1928 |
| Hall Avenue over Amtrak Railroad | Fair | 61.7 ft | 6,400 | 1946 |
| Old Grassy Hill RD over Wepawaug River | Fair | 43.0 ft | 6,400 | 1941 |
| Washington AVE #3 over Naugatuck River | Fair | 282.2 ft | 6,100 | 1956 |
| Woodin Street over Route 15 | Fair | 148.0 ft | 6,000 | 1949 |
| Yale Avenue over Route 15 | Fair | 145.0 ft | 6,000 | 1947 |
| Washington Ave. #3 over Mad River | Fair | 69.9 ft | 6,000 | 1906 |
| Route 67 over Pomperaug River | Fair | 121.1 ft | 5,900 | 1958 |
| SR 796 over Meadow Street | Fair | 33.1 ft | 5,900 | 1940 |
| Ssr 453 over Mill River | Fair | 44.0 ft | 5,900 | 1936 |
| Kirkham Street over Amtrak Railroad | Fair | 44.6 ft | 5,900 | 1892 |
| SR 796 Westbound over Wellington Road Ext. | Fair | 121.1 ft | 5,800 | 1992 |
| Seymour Avenue over Route 8 | Fair | 134.8 ft | 5,700 | 1952 |
| I-91 N.b. Ramps over Willow Brook | Fair | 24.9 ft | 5,700 | 1964 |
| Route 22 over Route 40 | Fair | 288.1 ft | 5,700 | 1976 |
| Hamden Hills Drive over Shepard Brook & Rr Trail | Fair | 215.9 ft | 5,690 | 1991 |
| Route 15 Ramp 148 over Willow Brook | Fair | 30.8 ft | 5,600 | 1964 |
| York Street over Parking Garage | Fair | 150.9 ft | 5,600 | 1980 |
| Chapel Street over Mill River | Fair | 230.0 ft | 5,600 | 1992 |
| SR 796 over US Route 1 | Fair | 97.1 ft | 5,500 | 1941 |
| Route 100(main St) over Farm River | Fair | 29.9 ft | 5,500 | 1900 |
| Ferry Street over Quinnipiac River | Fair | 431.1 ft | 5,500 | 1940 |
| Bullet Hill Road over Interstate 84 & Ramp 40 | Fair | 321.5 ft | 5,324 | 1963 |
| I-84 Ramp 201 over I-84 Ramp 198 & Bank ST | Fair | 194.9 ft | 5,300 | 1965 |
| Camp Street over Amtrak Railroad | Fair | 67.6 ft | 5,300 | 1899 |
| Route 8 Ramp 077 over Bank Street | Fair | 106.0 ft | 5,100 | 1965 |
| I-84 Ramp 169 over I-84 Tr 805 & 808 | Fair | 408.1 ft | 5,100 | 1966 |
| Spring Street over West River | Fair | 157.2 ft | 5,100 | 1999 |
| Route 8 Ramp 063 over Naugatuck River Flood Pl | Fair | 544.0 ft | 5,000 | 1960 |
| Paddock Avenue over Route 15 | Fair | 157.2 ft | 5,000 | 1946 |
| Preston Avenue over Route 66 | Fair | 422.6 ft | 4,900 | 1965 |
| South Elm Street over I-84 & Mcmahon Street | Fair | 201.1 ft | 4,900 | 1965 |
| Mather Street over Farmington Canal Greenwa | Fair | 38.1 ft | 4,800 | 1942 |
| Stevens Avenue over Interstate 95 | Fair | 123.4 ft | 4,727 | 1957 |
| I-91 Ramp 139 over No Notable Feature | Fair | 219.2 ft | 4,700 | 1965 |
| Route 80 over Hammonasset River | Fair | 200.1 ft | 4,600 | 1934 |
| SR 702 over Interstate-91 Southbound | Fair | 247.0 ft | 4,600 | 1965 |
| I-84 Ramp 198 over No Notable Feature | Fair | 69.9 ft | 4,600 | 1967 |
| Prospect Street over Farmington Canal Greenwa | Fair | 45.9 ft | 4,600 | 1929 |
| Poverty Road over Pomperaug River | Fair | 107.9 ft | 4,551 | 1967 |
| Pond Hill Road over Wharton Brook | Fair | 29.9 ft | 4,525 | 1900 |
| Crown Street over Church Street Tunnel | Fair | 61.0 ft | 4,500 | 1963 |
| Route 188 over Long Swamp Brook | Fair | 24.9 ft | 4,400 | 1944 |
| Whitney Avenue over Farmington Canal Greenwa | Fair | 22.0 ft | 4,400 | 1885 |
| Chapel Street #1 over West River | Fair | 107.0 ft | 4,400 | 1991 |
| East Ramsdell ST over West River | Fair | 70.9 ft | 4,326 | 1951 |
| I-91 NB Ramp 141 over I-91 NB Ramp 140 | Fair | 86.0 ft | 4,300 | 1965 |
| Heritage Road over Pomperaug River | Fair | 205.1 ft | 4,300 | 1971 |
| Falls Avenue over Steele Brook | Fair | 43.0 ft | 4,300 | 1940 |
| Lane Street over Wilmot Brook | Fair | 28.9 ft | 4,200 | 1949 |
| Temple Street over Farmington Canal Greenwa | Fair | 25.9 ft | 4,200 | 1900 |
| I-91 NB Ramp 140 over Mill River | Fair | 238.8 ft | 4,100 | 1965 |
| Harrison Road over Interstate-91 | Fair | 282.2 ft | 4,100 | 1965 |
| Huntingdon Avenue over Steele Brook | Fair | 61.0 ft | 4,100 | 1935 |
| Route 67 over Transylvania Brook | Fair | 34.1 ft | 4,100 | 1989 |
| Hartford Tpke #1 over Route 15 | Fair | 174.9 ft | 4,000 | 1947 |
| Cheshire Street over Quinnipiac River | Fair | 77.1 ft | 3,962 | 1957 |
| Route 172 over Transylvania Brook | Fair | 22.0 ft | 3,900 | 1935 |
| Lamberton Street over Metro North Railroad | Fair | 149.9 ft | 3,865 | 1907 |
| Indian Neck Avenue over Branford River | Fair | 140.1 ft | 3,860 | 1991 |
| Ridge Road # 1 over Route 15 | Fair | 122.0 ft | 3,800 | 1949 |
| I-84 Ramp 202 over Bank Street | Fair | 81.0 ft | 3,800 | 1965 |
| River Road over Pomperaug River | Fair | 186.0 ft | 3,800 | 1962 |
| Route 142 over Farm River | Fair | 82.0 ft | 3,800 | 1942 |
| Treadwell Street over Farmington Canal Greenwa | Fair | 41.0 ft | 3,700 | 1946 |
| Marion Road over Interstate 84 | Fair | 179.1 ft | 3,600 | 1961 |
| Willow Street over I91 Rmps 139&141 Mill Rv | Fair | 352.0 ft | 3,600 | 1965 |
| East Street over Amtrak Railroad | Fair | 75.5 ft | 3,600 | 1906 |
| Nichols Road over Mad River | Fair | 26.9 ft | 3,340 | 1935 |
| Nichols Road over Mad River | Fair | 26.9 ft | 3,340 | 1935 |
| River Road #1 over Interstate 84 | Fair | 366.1 ft | 3,335 | 1978 |
| North Wall Street over Interstate-691 | Fair | 183.1 ft | 3,300 | 1965 |
| Naugatuck Avenue over Metro North Railroad | Fair | 53.1 ft | 3,300 | 1913 |
| Upper State Street over Route 15 | Fair | 148.0 ft | 3,289 | 1947 |
| Mungertown Road over Interstate-95 | Fair | 155.8 ft | 3,200 | 1957 |
| Baldwin Avenue over Route 15 | Fair | 95.1 ft | 3,200 | 1946 |
| Route 8 Ramp 079 over SR 846 Northbound | Fair | 94.2 ft | 3,100 | 1965 |
| Route 243 over Race Brook | Fair | 25.9 ft | 3,100 | 1996 |
| Edgewood Avenue over West River & Park Road | Fair | 130.9 ft | 3,100 | 1910 |
| Cedar Street No. 1 over Metro North Railroad | Fair | 136.2 ft | 3,092 | 1906 |
| Forest Road over Interstate-95 | Fair | 204.1 ft | 3,000 | 1958 |
| Route 313 over Little River | Fair | 55.1 ft | 3,000 | 1936 |
| Coe Avenue over Harbor Brook | Fair | 71.9 ft | 3,000 | 1955 |
| SR 736 over Calf Pen Meadow Creek | Fair | 26.9 ft | 3,000 | 1990 |
| Orange Street over Govt Center Access Road | Fair | 39.0 ft | 3,000 | 1975 |
| Green Hill Road over Neck River | Fair | 34.1 ft | 2,996 | 1983 |
| Mulberry Point RD over Amtrak Railroad | Fair | 93.5 ft | 2,990 | 1988 |
| Baldwin Ave&bee ST over Spoon Shop Brook | Fair | 44.9 ft | 2,981 | 1950 |
| Wildwood Ave. #1 over Interstate-95 | Fair | 155.5 ft | 2,900 | 1957 |
| Camp Street #1 over Harbor Brook | Fair | 42.0 ft | 2,870 | 1895 |
| River Road over Hammonasset River | Fair | 66.9 ft | 2,833 | 1935 |
| Wintergreen Avenue over Wintergreen Brook | Fair | 24.0 ft | 2,800 | 1890 |
| Orange Street #1 over Mill River | Fair | 118.1 ft | 2,800 | 1950 |
| I-91 Ramp 145 over Route 15 Southbound | Fair | 174.9 ft | 2,700 | 1964 |
| Murdock Avenue over Interstate-91 | Fair | 345.1 ft | 2,700 | 1965 |
| Westfield Road over Harbor Brook | Fair | 23.6 ft | 2,700 | 1938 |
| South Colony ST over Harbor Brook | Fair | 29.9 ft | 2,700 | 1900 |
| Horsepond Road over Amtrak Railroad | Fair | 58.7 ft | 2,700 | 1998 |
| Westfield Road over Abandoned Railroad | Fair | 48.9 ft | 2,700 | 1982 |
| Flat Meadow Road over Brook | Fair | 28.9 ft | 2,700 | 1999 |
| Tanner Marsh Road over Interstate-95 | Fair | 176.5 ft | 2,685 | 1958 |
| Route 188 over Hop Brook | Fair | 43.0 ft | 2,600 | 1904 |
| Route 8 Ramp 128 over Riverside Street SB | Fair | 495.1 ft | 2,600 | 1966 |
| Oak Street No. 2 over Quinnipiac River | Fair | 116.1 ft | 2,596 | 1989 |
| John Street over Amtrak Railroad | Fair | 54.1 ft | 2,555 | 1964 |
| Route 40 NB Ramp 0 over I-91 NB Tr 806 | Fair | 331.0 ft | 2,500 | 1972 |
| Christian Road over Interstate 84 | Fair | 324.1 ft | 2,400 | 1964 |
| Grand Avenue over Quinnipiac River | Fair | 428.5 ft | 2,400 | 1900 |
| Munson Road over Scoville Reservoir | Fair | 27.9 ft | 2,394 | 1986 |
| Pearl Street over Bladens River | Fair | 43.0 ft | 2,333 | 1924 |
| Featherbed Lane over Interstate-95 | Fair | 181.1 ft | 2,300 | 1958 |
| Boyden Street over Hancock Brook | Fair | 50.9 ft | 2,300 | 1930 |
| Dickerman Road over Interstate-691 | Fair | 226.0 ft | 2,300 | 1986 |
| Peck Lane over Interstate-691 | Fair | 217.8 ft | 2,300 | 1986 |
| Augur Road over Farm River | Fair | 44.9 ft | 2,300 | 1933 |
| Wallace Street over Amtrak Railroad | Fair | 69.9 ft | 2,287 | 1906 |
| Fair Street over Metro North Railroad | Fair | 143.0 ft | 2,200 | 1998 |
| I-691 Ramp 009 over I-691RMP 008 Columbia ST | Fair | 180.4 ft | 2,100 | 1971 |
| State Street North over Union Station Pump House | Fair | 422.9 ft | 2,100 | 1968 |
| Clifton ST over Amtrak Railroad | Fair | 29.9 ft | 1,970 | 1912 |
| Whitfield Street over Sluice Creek | Fair | 42.0 ft | 1,872 | 1999 |
| Elm Street over Long Meadow Pond Brook | Fair | 42.0 ft | 1,825 | 1955 |
| Canterbury Turnpke over Interstate-395 | Fair | 194.9 ft | 1,800 | 1958 |
| Route 8 Ramp 131 over West Main Street #1 | Fair | 133.9 ft | 1,800 | 1965 |
| Bristol Street #1 over Naugatuck River | Fair | 182.1 ft | 1,800 | 1956 |
| Sr721-no Main ST over Route 8 | Fair | 251.0 ft | 1,800 | 1981 |
| Johnson Road over Route 15 | Fair | 98.1 ft | 1,700 | 1949 |
| South Street over Interstate 84 | Fair | 380.9 ft | 1,700 | 1964 |
| Seventh Street over Route 8 | Fair | 200.1 ft | 1,700 | 1965 |
| Carpenter Lane over Interstate-91 | Fair | 311.0 ft | 1,645 | 1965 |
| Hicks Avenue over Amtrak Railroad | Fair | 100.1 ft | 1,600 | 1988 |
| Depot Street over Naugatuck River | Fair | 211.9 ft | 1,500 | 1935 |
| New Road over Interstate-95 | Fair | 216.5 ft | 1,400 | 1957 |
| Wintergreen Avenue over Route 15 | Fair | 108.9 ft | 1,400 | 1949 |
| I-84 Ramp 199 over Meadow ST & Mnrr Roadway | Fair | 228.0 ft | 1,400 | 1965 |
| Wilmot Road over Wintergreen Brook | Fair | 23.0 ft | 1,382 | 1951 |
| East Rock Road over Mill River | Fair | 85.0 ft | 1,365 | 1900 |
| South Brooksvale R over Willow Brook | Fair | 23.0 ft | 1,350 | 1960 |
| Hawkins Street over Route 8 | Fair | 185.0 ft | 1,300 | 1952 |
| Durham Road over Interstate-91 | Fair | 367.1 ft | 1,300 | 1965 |
| Guntown Road over Long Meadow Pond Brook | Fair | 24.0 ft | 1,300 | 1960 |
| Pine Orchard Road over Amtrak Railroad | Fair | 72.2 ft | 1,300 | 1988 |
| Brookside Avenue over Long Meadow Pond Brook | Fair | 27.9 ft | 1,165 | 1955 |
| Cherry Hill Road over Interstate-95 | Fair | 170.9 ft | 1,148 | 1958 |
| Spruce Brook Road over Spruce Brook | Fair | 23.0 ft | 1,147 | 1989 |
| New Road over Mill River | Fair | 124.0 ft | 1,125 | 1935 |
| South Leonard ST over Metro-north Railroad | Fair | 53.1 ft | 1,100 | 1929 |
| South Leonard ST over Naugatuck River | Fair | 191.6 ft | 1,100 | 1956 |
| Loughlin Road over Eight Mile Brook | Fair | 73.2 ft | 1,100 | 1956 |
| Warpas Road over Neck River | Fair | 35.1 ft | 1,086 | 1987 |
| Horsepond Road over Interstate-95 | Fair | 155.8 ft | 1,066 | 1957 |
| Hellstrom Road over Farm River | Fair | 144.0 ft | 1,004 | 1980 |
| West River Street over Interstate-95 | Fair | 178.1 ft | 1,000 | 1958 |
| Walnut Street over Wepawaug River | Fair | 50.9 ft | 1,000 | 1965 |
| Andrew Avenue over Long Meadow Pond Brook | Fair | 30.8 ft | 1,000 | 1931 |
| Hellstrom Road over Farm River | Fair | 70.9 ft | 986 | 1980 |
| Prudden Lane over Wepawaug River | Fair | 52.2 ft | 936 | 1965 |
| Educational Way over Cove River | Fair | 104.0 ft | 858 | 1999 |
| Mill Street over Harbor Brook | Fair | 37.1 ft | 808 | 1930 |
| Cedarwood Drive over Meetinghouse Brook | Fair | 32.2 ft | 805 | 1970 |
| Shadduck Road over Hop Brook | Fair | 36.1 ft | 754 | 1986 |
| River Road #2 over Mill River | Fair | 44.0 ft | 717 | 1939 |
| Hogs Back Road over Little River | Fair | 22.0 ft | 680 | 1954 |
| Universal DR North over Csx Railroad | Fair | 171.9 ft | 671 | 1983 |
| Ichabod Road over Interstate 84 | Fair | 229.0 ft | 658 | 1963 |
| Great Hill Road over Branch Brook | Fair | 20.0 ft | 608 | 1994 |
| Columbus Avenue over Harbor Brook | Fair | 38.1 ft | 600 | 1992 |
| Dewitt Street over Metro North Railroad | Fair | 80.4 ft | 552 | 1914 |
| Maple Street over Wepawaug River | Fair | 48.9 ft | 550 | 1951 |
| Sunrise Road over Old Tannery Brook | Fair | 20.0 ft | 525 | 2010 |
| Lopus Road over Metro-north Railroad | Fair | 45.9 ft | 500 | 1991 |
| Bluff Street over Route 8 | Fair | 117.1 ft | 496 | 1959 |
| Oneill Road over Eight Mile Brook | Fair | 67.9 ft | 490 | 1956 |
| Hosley Avenue over Interstate-95 | Fair | 166.0 ft | 466 | 1958 |
| Flood Bridge Road over Pomperaug River | Fair | 205.1 ft | 445 | 1979 |
| Lopus Road over Route 8 | Fair | 242.1 ft | 410 | 1981 |
| Court Street over Metro North Railroad | Fair | 139.1 ft | 408 | 1907 |
| Old State Road #3 over Little River | Fair | 46.9 ft | 407 | 2001 |
| Race Hill Road #1 over West River | Fair | 47.9 ft | 379 | 2002 |
| Chatfield Street over Bladens River | Fair | 23.0 ft | 361 | 1989 |
| Hosley Avenue over Amtrak Railroad | Fair | 38.1 ft | 350 | 1887 |
| Mcdermott Road over Little River | Fair | 28.9 ft | 335 | 1960 |
| Bridge Street over Amtrak Railroad | Fair | 34.1 ft | 290 | 1917 |
| Andrasko Road over Beacon Hill Brook | Fair | 40.0 ft | 269 | 1950 |
| York Street over Brook | Fair | 24.9 ft | 264 | 1968 |
| York Street over West River | Fair | 42.0 ft | 262 | 1993 |
| Bartlett Drive over Brook | Fair | 24.0 ft | 260 | 2010 |
| Twin Bridge Road over Iron Stream | Fair | 27.9 ft | 258 | 1900 |
| Tommys Path over Gulf Brook | Fair | 24.0 ft | 241 | 1979 |
| Concord Drive over Brook | Fair | 24.0 ft | 214 | 1978 |
| Waverly Park Road over Brook | Fair | 25.9 ft | 210 | 1990 |
| Concord Drive over Brook | Fair | 27.9 ft | 209 | 1978 |
| Forest Street over Tuttle Brook | Fair | 26.9 ft | 136 | 1978 |
| Pleasant Point RD over Amtrak Railroad | Fair | 34.4 ft | 135 | 1988 |
| Pleasant Point RD over Abandoned Trolley Line | Fair | 29.9 ft | 114 | 1989 |
| White Birch Drive over East River | Fair | 42.0 ft | 108 | 1999 |
| Rasted Lane over Meetinghouse Brook | Fair | 28.2 ft | 51 | 1962 |
| Interstate 95 over Canal Dock Road | Good | 191.9 ft | 187,800 | 2015 |
| Interstate-95 over West River & SR 745 | Good | 1032.5 ft | 142,200 | 2018 |
| Route 71 over Sodom Brook | Good | 55.1 ft | 141,900 | 2019 |
| Interstate-95 over Campbell Avenue | Good | 70.9 ft | 105,300 | 1956 |
| Interstate 95 over Route 162 | Good | 161.4 ft | 105,200 | 2005 |
| Interstate-95 over Ford Street | Good | 52.2 ft | 103,600 | 1957 |
| Interstate-95 over Farm River | Good | 34.1 ft | 103,000 | 1958 |
| Interstate 95 over I91nb Us1 Sr724 & Ramps | Good | 1383.9 ft | 101,100 | 2013 |
| Interstate-91 NB over Stoddard Avenue | Good | 90.9 ft | 95,200 | 1965 |
| Interstate-91 NB over SR 729 | Good | 75.1 ft | 95,200 | 1965 |
| Interstate-95 over Woodmont Road No. 1 | Good | 115.2 ft | 92,200 | 2003 |
| Interstate-84 & Pl over Beaver Pond Brook | Good | 26.6 ft | 92,200 | 2018 |
| Interstate-84 over Beaver Pond Brook | Good | 22.0 ft | 92,200 | 1960 |
| Interstate-95 over Naugatuck Avenue | Good | 93.8 ft | 88,400 | 2016 |
| Route 15 over Wheelers Farm Road | Good | 130.9 ft | 88,000 | 1993 |
| Interstate-95 over SR 794 Westbound | Good | 51.5 ft | 86,900 | 1958 |
| Interstate-91 NB over Pool Road | Good | 83.0 ft | 78,500 | 1965 |
| Interstate-95 over Laurel Street | Good | 59.1 ft | 76,400 | 1958 |
| Interstate-95 over Route 100 | Good | 84.0 ft | 76,400 | 1958 |
| Interstate 91 NB over Chapel Street | Good | 75.1 ft | 72,800 | 1965 |
| Route 15 over Mill River | Good | 78.1 ft | 72,300 | 1943 |
| Interstate-95 over Neck River | Good | 21.0 ft | 72,100 | 1957 |
| Interstate-95 over Chestnut Street | Good | 60.0 ft | 70,500 | 1958 |
| Interstate-95 over Branford River | Good | 34.1 ft | 70,500 | 1958 |
| Route 15 over Toelles Road | Good | 42.0 ft | 68,200 | 1947 |
| Interstate-95 over Copse Road | Good | 59.1 ft | 66,100 | 1957 |
| Route 8 over Jackson Street | Good | 46.9 ft | 63,800 | 1957 |
| Interstate 91 SB over Chapel Street | Good | 71.9 ft | 63,400 | 1965 |
| Interstate-95 over SR 740 (cedar Street) | Good | 95.1 ft | 62,500 | 1958 |
| Interstate-691 over Sodom Brook | Good | 32.2 ft | 61,100 | 1971 |
| Interstate-95 over Granite Road | Good | 49.9 ft | 59,500 | 1958 |
| Interstate-95 over Moose Hill Road | Good | 59.1 ft | 59,500 | 1958 |
| Interstate-95 over Long Hill Road | Good | 63.0 ft | 59,300 | 1958 |
| Interstate-95 over State Street | Good | 63.0 ft | 57,400 | 1958 |
| Interstate-91 SB over Muddy River | Good | 90.9 ft | 55,750 | 1965 |
| I-95 NB & Ramp 346 over Fulton Terrace | Good | 105.0 ft | 54,300 | 2006 |
| Route 8 over Rose Street | Good | 47.9 ft | 53,800 | 1961 |
| I-95 SB & Ramp 347 over Fulton Terrace | Good | 105.0 ft | 53,400 | 2006 |
| Interstate-84 EB over Pierpont Road | Good | 62.0 ft | 50,850 | 2006 |
| I-84 Westbound over Mad River | Good | 163.1 ft | 48,700 | 2018 |
| Route 8 over Cross Road | Good | 130.9 ft | 47,600 | 1981 |
| Interstate-91 SB over SR 729 | Good | 75.1 ft | 45,400 | 1965 |
| Interstate 91 NB over Us1(water St) & I-95 Rmp | Good | 637.1 ft | 44,000 | 1965 |
| I-84 Eastbound over Mad River | Good | 137.5 ft | 44,000 | 2018 |
| I-84 Westbound over Mad River | Good | 137.1 ft | 42,700 | 2018 |
| Interstate-91 SB over Pool Road | Good | 83.0 ft | 41,300 | 1965 |
| SR 724 Westbound over Brewery Street | Good | 101.0 ft | 37,750 | 2011 |
| Interstate-91 SB over US Route 1 | Good | 155.5 ft | 33,100 | 2014 |
| Interstate-91 SB over I-91 Tr 801 & SR 724 EB | Good | 250.3 ft | 32,200 | 1965 |
| Plank Road over Mad River | Good | 45.9 ft | 31,626 | 2015 |
| Interstate-91 SB over Interstate-95 Ramp 317 | Good | 130.9 ft | 31,200 | 2013 |
| Interstate 91 NB over SR 724 Eastbound | Good | 253.9 ft | 28,800 | 2015 |
| Interstate-691 EB over Knotter Drive | Good | 113.8 ft | 28,500 | 1986 |
| SR 724 Eastbound over Us1 Local Rds P&w Rr | Good | 1465.9 ft | 26,700 | 2011 |
| US Route 5 over Meeting House Brook | Good | 28.9 ft | 26,400 | 1989 |
| Skiff Street over Mill River | Good | 78.1 ft | 24,000 | 1931 |
| I-95 SB Ramps M&p over East Street & P&w Rr | Good | 843.2 ft | 22,310 | 2016 |
| Route 40 NB over Hartford Turnpike | Good | 95.1 ft | 20,400 | 1976 |
| Route 69 over Hamilton Park Road | Good | 52.2 ft | 19,400 | 1949 |
| Route 69 over Mad River | Good | 86.0 ft | 19,400 | 1997 |
| SR 796 Eastbound over Wellington Road Ext. | Good | 119.1 ft | 18,300 | 1992 |
| Route 162 over Turtle Creek | Good | 23.0 ft | 18,200 | 2024 |
| US Route 1 over Wepawaug River | Good | 76.1 ft | 18,000 | 2016 |
| I-95 Tr 813 over East Street & Pwrr | Good | 484.9 ft | 17,200 | 1958 |
| Woodmont Road over Metro North Railroad | Good | 137.1 ft | 16,400 | 1987 |
| SR 724 Westbound over Interstate 91 & US 1 | Good | 1100.1 ft | 15,200 | 2016 |
| I-91 Tr 802 over US Route 1(water Street) | Good | 405.8 ft | 15,200 | 2015 |
| Route 63 over Wooster Brook | Good | 26.6 ft | 15,200 | 2018 |
| Route 63 over Naugatuck Rv Mnrr & Elm | Good | 589.2 ft | 14,500 | 2011 |
| US Route 1 over Branford River | Good | 77.1 ft | 14,400 | 1958 |
| US Route 1 over West River | Good | 104.0 ft | 14,300 | 1994 |
| South Curtis Stree over Meetinghouse Brook | Good | 24.9 ft | 13,500 | 1989 |
| US Route 5 over Abandoned Railroad | Good | 38.1 ft | 13,300 | 1989 |
| Harpers Ferry Road over Interstate-84 | Good | 318.6 ft | 13,000 | 2018 |
| Harpers Ferry Road over Beaver Pond Brook | Good | 24.9 ft | 13,000 | 1952 |
| Sr707/whitney AVE over Mill River | Good | 89.9 ft | 12,500 | 1991 |
| Route 68 over Naug Rv RTE 8 Mnrr Sr710 | Good | 558.1 ft | 12,200 | 1960 |
| Route 80 over Farm River | Good | 53.5 ft | 12,100 | 1930 |
| Route 69 over Mad River | Good | 44.0 ft | 12,000 | 2021 |
| Austin Road over Interstate 84 | Good | 158.1 ft | 11,900 | 1961 |
| Route 142 over Farm River | Good | 54.1 ft | 11,900 | 1973 |
| I-95 SB - On Ramp over Fulton Terrace | Good | 100.7 ft | 11,900 | 2006 |
| School House Road over Metro North Railroad | Good | 85.0 ft | 11,803 | 1893 |
| Route 69 over Interstate 84 | Good | 462.6 ft | 11,600 | 2018 |
| Valley Street #1 over West River | Good | 65.9 ft | 11,500 | 1983 |
| Rubber Avenue over Long Meadow Pond Brook | Good | 44.0 ft | 10,900 | 2010 |
| Rubber Avenue over Long Meadow Pond Brook | Good | 35.1 ft | 10,900 | 1983 |
| Rte10&fairview AVE over Storm Drain | Good | 24.0 ft | 10,600 | 1982 |
| US Route 1 NB over Interstate-95 | Good | 261.2 ft | 10,200 | 2006 |
| Sackett Point Road over Quinnipiac River | Good | 164.4 ft | 10,100 | 2024 |
| Route 67 over Little River | Good | 37.1 ft | 10,100 | 1986 |
| I-95 Ramp 164 over Interstate-95 | Good | 233.9 ft | 9,900 | 2006 |
| Route 34 over Eight Mile Brook | Good | 82.7 ft | 9,800 | 1924 |
| I-691 Tr 804 over Knotter Drive | Good | 106.0 ft | 9,700 | 1986 |
| Brass Mill Drive over Mad River | Good | 48.9 ft | 9,700 | 1997 |
| Route 150 over Quinnipiac River | Good | 103.0 ft | 9,600 | 1991 |
| SR 707 over Lake Whitney | Good | 103.0 ft | 9,500 | 1992 |
| Route 17 over Pistipaug Pond Brook | Good | 29.9 ft | 8,700 | 2007 |
| Benham Street over Route 15 | Good | 113.8 ft | 8,600 | 1949 |
| Sharon Road over Mad River | Good | 57.1 ft | 8,600 | 1975 |
| Route 139 over Branford River | Good | 53.8 ft | 8,500 | 2017 |
| Route 150 over Wharton Brook | Good | 40.0 ft | 8,500 | 2019 |
| West Main Street over Wepawaug River | Good | 53.1 ft | 8,470 | 1928 |
| Sherman Avenue over Farmington Canal Greenwa | Good | 69.9 ft | 8,400 | 1980 |
| I-91 Tr 807 SR 702 over Pond Hill Road | Good | 67.9 ft | 8,300 | 1965 |
| Morgan Lane over Interstate 95 | Good | 193.9 ft | 8,200 | 1957 |
| Grandview Avenue over Robbins Street | Good | 45.9 ft | 8,100 | 1995 |
| I-91 Ramp 142 over Interstate-91 Ramp 143 | Good | 55.1 ft | 8,000 | 1965 |
| Prindle Road over Oyster River | Good | 21.0 ft | 8,000 | 2001 |
| Clark Street over Metro North Railroad | Good | 96.1 ft | 7,905 | 2006 |
| Route 8 Ramp 031 over Metro-north & Rr Drive | Good | 420.9 ft | 7,900 | 1996 |
| Route 63 over Beacon Hill Brook | Good | 32.2 ft | 7,700 | 1966 |
| SR 729 (broadway) over Amtrak Railroad | Good | 213.6 ft | 7,600 | 1988 |
| Route 17 over Brook | Good | 21.0 ft | 7,500 | 1990 |
| Route 70 over Quinnipiac River | Good | 106.0 ft | 7,400 | 1988 |
| Route 71 over Harbor Brook | Good | 64.0 ft | 7,200 | 2012 |
| Route 114 over Wepawaug River | Good | 24.0 ft | 7,200 | 1996 |
| State Street over Mill River | Good | 97.4 ft | 7,200 | 2016 |
| Derby-milford Road over Wepawaug River | Good | 89.2 ft | 7,200 | 2019 |
| Route 114 over Wepawaug River | Good | 44.9 ft | 7,200 | 1936 |
| Bradley Avenue over Harbor Brook | Good | 81.0 ft | 7,100 | 2006 |
| I-84 EB Exit 23 On over I-84 EB Exit 25 Off Ramp | Good | 197.2 ft | 7,100 | 2018 |
| Rubber Avenue over Long Meadow Pond Brook | Good | 43.0 ft | 7,000 | 1983 |
| Route 68 over Ten Mile River | Good | 41.0 ft | 6,700 | 1987 |
| Route 337 over Interstate-95 | Good | 179.1 ft | 6,500 | 2006 |
| Route 114 over Race Brook | Good | 31.2 ft | 6,500 | 2016 |
| Route 22 over Branford River | Good | 32.2 ft | 6,400 | 1928 |
| Hillhouse Avenue over Farmington Canal Greenwa | Good | 32.2 ft | 6,400 | 1910 |
| SR 796 Ramp 001 over Meadow Street | Good | 32.2 ft | 6,200 | 1941 |
| Woodward Avenue over Interstate-95 | Good | 181.1 ft | 6,200 | 2006 |
| Route 146 over Branford River | Good | 75.1 ft | 5,900 | 1996 |
| Wheelers Farms Rd. over SR 796 | Good | 147.0 ft | 5,900 | 1941 |
| Gulf Street over Gulf Pond | Good | 125.0 ft | 5,900 | 2006 |
| Route 121 over Wepawaug River | Good | 45.9 ft | 5,800 | 1984 |
| Christian Street over Catlin Brook | Good | 22.0 ft | 5,700 | 2007 |
| Route 69 over Sargent River | Good | 41.0 ft | 5,600 | 1988 |
| Church ST South #2 over N Haven Interlock Amtrak | Good | 1282.2 ft | 5,600 | 2003 |
| I-95 Tr 812 over I95 I91 Sr724eb Tr801 | Good | 1895.0 ft | 5,500 | 2011 |
| I-84 EB Exit 25 Of over Mad River | Good | 153.9 ft | 5,500 | 2018 |
| School Ground Road over Notch Hill Brook | Good | 33.1 ft | 5,500 | 1941 |
| I-84 EB Exit 25 Ra over Mad River | Good | 183.1 ft | 5,500 | 2018 |
| Route 77 over West River | Good | 48.9 ft | 5,400 | 1988 |
| Brook Street over Wilmot Brook | Good | 29.9 ft | 5,200 | 1950 |
| Route 243 over Wepawaug River | Good | 79.1 ft | 5,000 | 1993 |
| Route 322 over Lindsley Brook | Good | 22.0 ft | 4,800 | 2013 |
| East Johnson AVE over Quinnipiac River | Good | 109.9 ft | 4,700 | 2016 |
| Cook Hill Road over Mill River | Good | 25.9 ft | 4,600 | 1990 |
| Route 77 over Menunkatuck River | Good | 27.9 ft | 4,600 | 1990 |
| Defco Park Road over Amtrak Railroad | Good | 52.5 ft | 4,570 | 1961 |
| Route 77 over Brook | Good | 37.1 ft | 4,500 | 2011 |
| I-84 WB Exit 25a over Beaver Pond Brook | Good | 107.0 ft | 4,500 | 2006 |
| Old Tavern Road over Silver Brook | Good | 24.9 ft | 4,500 | 2000 |
| Route 150 over Muddy River | Good | 45.9 ft | 4,300 | 1938 |
| Spring Road over Five Mile Brook | Good | 24.9 ft | 4,300 | 1936 |
| Spring Road over Muddy River | Good | 36.4 ft | 4,300 | 1954 |
| Route 22 over Mill River | Good | 70.9 ft | 4,200 | 2002 |
| Route 188 over Eight Mile Brook | Good | 22.0 ft | 4,200 | 1991 |
| Leetes Island Road over Interstate-95 | Good | 214.9 ft | 4,100 | 2003 |
| I-84 WB Exit 24 On over Mad River | Good | 171.3 ft | 4,000 | 2018 |
| W Johnson Avenue over Ten Mile River | Good | 64.0 ft | 3,911 | 1987 |
| Bradley Road over West River | Good | 47.9 ft | 3,890 | 1999 |
| Blatchley Avenue over Amtrak Railroad | Good | 237.9 ft | 3,850 | 1989 |
| Bassett Road over Interstate-91 | Good | 299.9 ft | 3,800 | 2017 |
| Long Hill Road over Spinning Mill Brook | Good | 34.4 ft | 3,700 | 2018 |
| Knotter Drive over Judd Brook | Good | 32.2 ft | 3,638 | 1971 |
| Higgins Road over Willow Brook | Good | 22.0 ft | 3,564 | 1991 |
| Ward ST Extension over Wharton Brook | Good | 24.9 ft | 3,530 | 1991 |
| SR 710 over Fulling Mill Brook | Good | 29.9 ft | 3,500 | 1998 |
| East Liberty ST over Mad River | Good | 94.2 ft | 3,500 | 1907 |
| Route 152 over Race Brook | Good | 22.0 ft | 3,500 | 1983 |
| Beach Street over Csx Railroad | Good | 110.9 ft | 3,435 | 1978 |
| Howard Avenue over Interstate-95 | Good | 164.0 ft | 3,400 | 2010 |
| New Whitfield ST over Amtrak Railroad | Good | 68.2 ft | 3,200 | 1940 |
| Dodge Avenue over Tuttle Brook | Good | 50.9 ft | 3,100 | 2010 |
| SR 486 (airport RD over Eight Mile Brook | Good | 36.1 ft | 3,000 | 1975 |
| I-84 Ramp 059 over I-84 Westbound On-ramp | Good | 91.9 ft | 3,000 | 1997 |
| Northford Road over Muddy River | Good | 44.0 ft | 2,889 | 2024 |
| Mill Road over Farm River | Good | 81.0 ft | 2,800 | 1998 |
| Peck Lane over Ten Mile River | Good | 64.0 ft | 2,769 | 1996 |
| Flat Meadow Road over West River | Good | 40.0 ft | 2,700 | 1999 |
| Westfield Road over Harbor Brook | Good | 64.0 ft | 2,700 | 1999 |
| Shepard Avenue over Shepard Brook | Good | 21.0 ft | 2,700 | 1985 |
| Day Street over Bladens River | Good | 52.2 ft | 2,689 | 2009 |
| Rubber Avenue Ext. over Long Meadow Pond Brook | Good | 53.1 ft | 2,600 | 1956 |
| Beacon Valley Road over Beacon Hill Brook | Good | 30.8 ft | 2,600 | 1933 |
| Plank Road East over Beaver Pond Brook | Good | 23.0 ft | 2,550 | 2018 |
| Olive Street over Amtrak Railroad | Good | 87.6 ft | 2,500 | 1998 |
| Jewett Street over Beaver Brook | Good | 28.9 ft | 2,479 | 2001 |
| Mapledale Road over Race Brook | Good | 25.9 ft | 2,449 | 1983 |
| Bridge Street over Wepawaug River | Good | 76.1 ft | 2,377 | 1997 |
| Hubbard Road over West River | Good | 98.1 ft | 2,362 | 2007 |
| Burr Street over Tuttle Brook | Good | 23.0 ft | 2,209 | 1978 |
| Lambert Road over Race Brook | Good | 28.9 ft | 2,200 | 1946 |
| Jarvis Street over Ten Mile River | Good | 58.1 ft | 2,200 | 1979 |
| Benson Road over Interstate 84 | Good | 294.9 ft | 2,167 | 1964 |
| Governors Hill RD over Little River | Good | 30.8 ft | 2,100 | 1990 |
| North Madison Road over Guilford Lakes | Good | 39.0 ft | 2,023 | 1991 |
| I-95 SB Ramp 347a over Interstate-95 | Good | 182.1 ft | 2,000 | 2006 |
| Route 70 over Broad Brook | Good | 47.9 ft | 1,800 | 2013 |
| Watertown Road over Hop Brook | Good | 20.3 ft | 1,800 | 1995 |
| Williams Road over Muddy River | Good | 35.1 ft | 1,725 | 2007 |
| Long Meadow Road over Long Meadow Pond | Good | 25.9 ft | 1,648 | 2011 |
| Arch Street over Long Meadow Pond Brook | Good | 35.1 ft | 1,570 | 1982 |
| Valley Road over Branford River | Good | 27.9 ft | 1,525 | 2004 |
| Tucker Hill Road over Hop Brook | Good | 42.0 ft | 1,500 | 1989 |
| Blacks Road over Honeypot Brook | Good | 25.9 ft | 1,458 | 2014 |
| Blacks Road over Quinnipiac River | Good | 60.0 ft | 1,453 | 1987 |
| Maple Street over Farm River | Good | 79.1 ft | 1,444 | 2011 |
| Velvet Street over Muddy River | Good | 40.0 ft | 1,400 | 1988 |
| Merritt Avenue over West River | Good | 56.1 ft | 1,328 | 1940 |
| Bucks Hill Road over Interstate 84 | Good | 253.9 ft | 1,300 | 1964 |
| Green Hill Road over Hammonasset River | Good | 77.1 ft | 1,276 | 1995 |
| Cooper Street over Harbor Brook | Good | 55.1 ft | 1,275 | 2021 |
| Birch Road over Amtrak Railroad | Good | 118.1 ft | 1,213 | 1988 |
| Beacon Valley RD 1 over Beacon Hill Brook | Good | 43.0 ft | 1,200 | 1982 |
| West Johnson Ave. over Judd Brook | Good | 21.0 ft | 1,147 | 1999 |
| Harrison Road over Munger Brook | Good | 25.9 ft | 1,135 | 1985 |
| River Road over Farm River | Good | 77.1 ft | 1,076 | 2002 |
| Middle Beach Road over Fence Creek | Good | 27.9 ft | 1,050 | 2002 |
| Country Club Road over Honeypot Brook | Good | 20.0 ft | 1,045 | 2010 |
| Mansfield Drive over Farm River | Good | 71.9 ft | 1,020 | 2004 |
| Old Clintonvlle RD over Muddy River | Good | 45.9 ft | 995 | 2005 |
| W Dayton Hill RD over Muddy River | Good | 28.9 ft | 985 | 2007 |
| Tuttle Avenue over Mill River | Good | 58.1 ft | 974 | 1920 |
| Patten Road over Muddy River | Good | 46.9 ft | 906 | 1987 |
| Brooksvale Avenue over Jepp Brook | Good | 23.0 ft | 850 | 2013 |
| Chestnut Hill Road over Hammonasset River | Good | 41.0 ft | 841 | 1935 |
| Willow Road over Farm River | Good | 69.9 ft | 828 | 1980 |
| Cedar Street over Harbor Brook | Good | 61.0 ft | 807 | 1910 |
| Todds Hill Road over Interstate-95 & Ramp 171 | Good | 250.0 ft | 774 | 2002 |
| Wilmot Road over Wintergreen Brook | Good | 24.0 ft | 737 | 2017 |
| Flax Mill Lane over Wepawaug River | Good | 57.4 ft | 721 | 2020 |
| Scard Road over Muddy River | Good | 32.2 ft | 714 | 1945 |
| Totoket Road over Farm River | Good | 44.9 ft | 700 | 1991 |
| Old Route 79 over Amtrak Railroad | Good | 35.4 ft | 690 | 1992 |
| Mt Sanford Road #2 over Willow Brook | Good | 30.8 ft | 689 | 1988 |
| Marion Road over Ten Mile River | Good | 38.1 ft | 668 | 1991 |
| Bowman Drive over Beacon Hill Brook | Good | 56.1 ft | 660 | 1982 |
| Moose Hill Road over Amtrak Railroad | Good | 39.0 ft | 650 | 1925 |
| East Flat Hill RD over Transylvania Brook | Good | 49.5 ft | 642 | 2019 |
| Lakemere Drive over Lee Brook | Good | 25.9 ft | 642 | 2001 |
| Corbin Road over Farm River | Good | 61.0 ft | 600 | 1980 |
| Orchard Street over Beaver Brook | Good | 24.9 ft | 570 | 1999 |
| Brookside Avenue over Wintergreen Brook | Good | 32.2 ft | 550 | 2015 |
| Perry Merrill Driv over Stream | Good | 30.8 ft | 505 | 2010 |
| Hatfield Hill Road over West River | Good | 30.8 ft | 462 | 1999 |
| Wall Street over Wharton Brook | Good | 42.0 ft | 425 | 2006 |
| Lakeside Drive over Guilford Lakes | Good | 26.9 ft | 404 | 1991 |
| Scout Road over Lee Brook | Good | 25.3 ft | 400 | 1990 |
| Heatherwood Drive over Brook | Good | 29.9 ft | 399 | 2022 |
| Bear Hill Road over Bladen River | Good | 36.1 ft | 396 | 1999 |
| Spruce Brook Road over Transylvania Brk Ovrflow | Good | 44.9 ft | 371 | 2018 |
| Saw Mill Road over West River | Good | 69.9 ft | 369 | 2021 |
| Spruce Brook Road over Transylvania Brook | Good | 25.6 ft | 330 | 2018 |
| Hillfield Road over Eaton Brook | Good | 23.0 ft | 311 | 2015 |
| Old Lane Road over Mill River | Good | 38.1 ft | 306 | 1985 |
| Mansion Road over Mill River | Good | 22.0 ft | 306 | 1999 |
| Reeds Gap Road over Farm River | Good | 34.1 ft | 300 | 2010 |
| Canal Street over Derby Canal | Good | 47.9 ft | 292 | 2005 |
| Bristol Town Road over Eight Mile Brook | Good | 35.4 ft | 275 | 1950 |
| Bartlett Drive over Neck River | Good | 24.0 ft | 260 | 2010 |
| Dutton Road over Little River | Good | 44.9 ft | 240 | 2022 |
| Barry Road over Eight Mile Brook | Good | 79.1 ft | 240 | 2002 |
| Liberty Street over Great Brook | Good | 21.3 ft | 210 | 2009 |
| Fenn Road over Hop Brook | Good | 24.0 ft | 209 | 1983 |
| Autumn Ridge Road over Farm Brook | Good | 24.0 ft | 200 | 1991 |
| County Road over Hammonasset River | Good | 46.6 ft | 163 | 2022 |
| Schmitz Avenue over Beacon Hill Brook | Good | 44.9 ft | 162 | 1982 |
| Randi Drive over Huzzle Guzzle Brook | Good | 21.0 ft | 153 | 1986 |
| Farmington Drive over Farm River | Good | 73.2 ft | 101 | 2015 |
| Private Road over Interstate-95 | Good | 168.0 ft | 58 | 2004 |
| Pinebrook Crossing over Pine Brook | Good | 22.0 ft | 54 | 2008 |
| Sullivan Drive over East River | Good | 44.0 ft | 53 | 2004 |
| Autumn Ridge Road over Riggs Street Brook | Good | 26.9 ft | 39 | 1994 |
| Old Route 63 over Hop Brook | Good | 42.7 ft | 30 | 1935 |