| Route 9 over P&w Railroad & Union ST | Poor | 207.0 ft | 55,700 | 1950 |
| Route 66 over Conn River RTE 9 P&w Rr | Poor | 3428.1 ft | 28,000 | 1938 |
| Route 9 Northbound over Beaver Meadow Road | Poor | 100.7 ft | 14,300 | 1966 |
| Route 82 over Connecticut River | Poor | 884.8 ft | 9,100 | 1913 |
| Route 153 (essex R over Interstate-95 | Poor | 179.1 ft | 7,900 | 1957 |
| Route 154 over Roaring Brook | Poor | 20.0 ft | 3,800 | 1931 |
| Route 154 over Back River | Poor | 32.2 ft | 3,000 | 1935 |
| River Road #1 over Sumner Brook | Poor | 59.1 ft | 2,892 | 1920 |
| River Road over Falls River | Poor | 44.0 ft | 2,677 | 1954 |
| Main Street Ext. over Sumner Brook | Poor | 27.9 ft | 1,101 | 1935 |
| Waterside Lane over Hammock River | Poor | 79.1 ft | 510 | 1994 |
| Ben Merrill Road over Brook | Poor | 26.2 ft | 318 | 2000 |
| Country Village La over Brook | Poor | 25.9 ft | 102 | 1970 |
| Interstate-91 NB over Mattabesset River | Fair | 222.1 ft | 99,500 | 1965 |
| Interstate-95 over Cow Hill Road | Fair | 54.1 ft | 62,400 | 1957 |
| Interstate-95 over Route 9 NB & I-95 Tr 816 | Fair | 124.0 ft | 62,200 | 1992 |
| Interstate-95 over Indian Lake | Fair | 24.9 ft | 59,800 | 1957 |
| Interstate-91 NB over North Road | Fair | 129.9 ft | 58,900 | 1965 |
| Interstate-91 SB over North Road | Fair | 146.3 ft | 58,900 | 1965 |
| Routes 9 & 17 over Sumner Brook | Fair | 24.0 ft | 55,700 | 1953 |
| Interstate-91 NB over Smith Street | Fair | 153.9 ft | 55,300 | 1965 |
| Interstate-91 NB over Route 372 | Fair | 84.6 ft | 55,300 | 1965 |
| Interstate-91 NB over Evergreen Road | Fair | 121.1 ft | 54,300 | 1965 |
| Interstate-91 SB over Smith Street | Fair | 146.0 ft | 53,400 | 1965 |
| Interstate-91 SB over Route 372 | Fair | 85.0 ft | 53,400 | 1965 |
| Interstate-91 SB over Evergreen Road | Fair | 127.6 ft | 52,900 | 1965 |
| Interstate-95 over Pond Meadow Road | Fair | 55.1 ft | 50,800 | 1957 |
| Interstate-95 over Patchogue River | Fair | 59.1 ft | 50,800 | 1957 |
| Interstate-95 over Route 154 | Fair | 125.0 ft | 49,300 | 1957 |
| Interstate-91 SB over Mattabesset River | Fair | 220.1 ft | 49,200 | 1965 |
| Interstate-91 SB over Route 9 Northbound | Fair | 165.4 ft | 48,100 | 1965 |
| Interstate-95 over School House Road | Fair | 122.0 ft | 48,000 | 1957 |
| Interstate-91 SB over Route 9 SB & I-91 Tr 818 | Fair | 236.5 ft | 47,700 | 1965 |
| Interstate-95 over SR 628 {spring Brook Rd} | Fair | 99.1 ft | 47,200 | 1957 |
| Interstate 95 Nort over Connecticut Rv Ferry RD | Fair | 2548.9 ft | 36,500 | 1993 |
| Interstate 95 Sout over Connecticut Rv Ferry RD | Fair | 2548.9 ft | 36,400 | 1993 |
| Route 9 Southbound over Mattabesset River | Fair | 185.7 ft | 34,600 | 1960 |
| Route 9 Southbound over RTE 9 Ramp 043 & SR 901 | Fair | 136.2 ft | 33,400 | 1967 |
| Route 9 Northbound over Mattabesset River | Fair | 183.4 ft | 33,100 | 1960 |
| Route 9 Northbound over Mattabesset River | Fair | 147.3 ft | 32,900 | 1988 |
| Route 9 over Falls River | Fair | 43.0 ft | 32,600 | 1967 |
| Route 9 Northbound over RTE 9 Ramp 043 & SR 901 | Fair | 142.1 ft | 32,300 | 1968 |
| Route 9 Southbound over P&w Railroad | Fair | 233.9 ft | 31,400 | 1967 |
| Interstate-395 over Kate Downing Road | Fair | 123.7 ft | 30,000 | 1958 |
| Route 9 Northbound over P&w Railroad | Fair | 206.0 ft | 29,900 | 1967 |
| Route 9 Southbound over Interstate-91 Northbound | Fair | 170.9 ft | 26,700 | 1965 |
| Route 9 Southbound over Interstate-91 NB Tr 818 | Fair | 158.5 ft | 26,700 | 1965 |
| Interstate-95 over Elm Street | Fair | 119.1 ft | 24,000 | 1957 |
| Route 9 Southbound over Route 155 | Fair | 128.0 ft | 21,600 | 1959 |
| Route 9 Northbound over Bartholomew Road | Fair | 86.9 ft | 21,250 | 1959 |
| Route 9 Northbound over Route 155 | Fair | 128.0 ft | 20,900 | 1959 |
| Rt9 Nb& I-91 Tr821 over I-91 NB & I-91 Tr823 | Fair | 305.1 ft | 20,800 | 1965 |
| Route 9 Southbound over Route 9 Ramps 31 & 32 | Fair | 122.0 ft | 18,300 | 1959 |
| Route 9 Southbound over Nedobity Road | Fair | 131.9 ft | 18,300 | 1965 |
| Route 9 Northbound over Route 9 Ramps 31 & 32 | Fair | 120.1 ft | 18,100 | 1959 |
| Route 9 Northbound over Candlewood Hill RD & Brk | Fair | 158.1 ft | 17,500 | 1965 |
| Route 9 Southbound over Cedar Grove Terrace | Fair | 100.1 ft | 17,500 | 1966 |
| Route 154 over Bible Rock Brook | Fair | 25.9 ft | 17,500 | 1939 |
| Route 372 over Route 9 | Fair | 269.0 ft | 17,400 | 1967 |
| Route 9 Southbound over Candlewood Hill RD & Brk | Fair | 158.1 ft | 17,300 | 1965 |
| Route 3 over Mattabesset River | Fair | 86.0 ft | 17,100 | 1933 |
| Route 9 Northbound over Nedobity Road | Fair | 134.8 ft | 17,100 | 1965 |
| Route 9 Northbound over Cedar Grove Terrace | Fair | 101.0 ft | 17,100 | 1966 |
| Route 9 Northbound over Kelsey Hill Road | Fair | 94.2 ft | 17,000 | 1967 |
| Route 9 Northbound over RT 154 Valley Rr Ward Bk | Fair | 425.9 ft | 16,400 | 1967 |
| Route 9 Southbound over RT 154&valley Rr&ward Bk | Fair | 452.1 ft | 16,200 | 1967 |
| Route 9 Southbound over Route 80 (elm Street) | Fair | 201.1 ft | 16,100 | 1968 |
| Route 9 Northbound over West Bridge Street | Fair | 115.2 ft | 16,000 | 1967 |
| Route 66 over P & W Railroad | Fair | 27.9 ft | 16,000 | 1938 |
| Route 17 over Allyns Brook | Fair | 83.0 ft | 15,200 | 1995 |
| Route 9 Southbound over Floral Park Road | Fair | 101.0 ft | 15,100 | 1966 |
| Route 9 Southbound over Cedar Lake Road | Fair | 100.4 ft | 15,000 | 1967 |
| Route 9 Southbound over Filley Road | Fair | 102.0 ft | 15,000 | 1967 |
| Route 9 Southbound over Turkey Hill Road | Fair | 131.9 ft | 15,000 | 1967 |
| Route 9 Northbound over Cedar Lake Road | Fair | 91.5 ft | 14,800 | 1966 |
| Route 9 Northbound over Filley Road | Fair | 102.0 ft | 14,800 | 1966 |
| Route 9 Northbound over Turkey Hill Road | Fair | 142.1 ft | 14,800 | 1967 |
| US Route 1 over Oyster River | Fair | 83.0 ft | 14,700 | 1971 |
| Route 3 over Coginchaug River | Fair | 205.1 ft | 14,700 | 1974 |
| Route 9 Northbound over Route 81 & Ponset Brook | Fair | 185.0 ft | 14,700 | 1966 |
| Route 9 Northbound over Hubbard Road | Fair | 102.0 ft | 14,700 | 1966 |
| Route 9 Southbound over Hubbard Road | Fair | 102.0 ft | 14,700 | 1966 |
| Route 9 Southbound over Route 148 (west Main St) | Fair | 157.2 ft | 14,600 | 1967 |
| Route 9 Southbound over Beaver Meadow Road | Fair | 101.0 ft | 14,500 | 1967 |
| Route 9 Northbound over Route 80 (elm Street) | Fair | 204.1 ft | 14,500 | 1968 |
| Route 9 Northbound over Route 148 (west Main St) | Fair | 155.8 ft | 14,500 | 1967 |
| Route 9 Northbound over Floral Park Road | Fair | 100.1 ft | 14,400 | 1966 |
| Route 9 Southbound over Route 154(middlesex Tpk) | Fair | 158.1 ft | 14,200 | 1966 |
| Route 9 Southbound over Route 153 | Fair | 139.1 ft | 14,000 | 1966 |
| Route 9 Northbound over Route 153 & Route 154 | Fair | 388.1 ft | 13,900 | 1966 |
| Route 9 Southbound over West Bridge Street | Fair | 129.9 ft | 13,900 | 1967 |
| Route 17 over Long Hill Brook | Fair | 201.1 ft | 13,800 | 1958 |
| I-91 SB Tr 823 over I-91 Northbound | Fair | 256.9 ft | 13,800 | 1965 |
| Route 9 Southbound over Route 81 & Ponset Brook | Fair | 185.0 ft | 13,800 | 1966 |
| Route 9 Southbound over Route 154 | Fair | 101.0 ft | 13,600 | 1966 |
| Route 3 over P & W Railroad | Fair | 95.1 ft | 13,500 | 1974 |
| Route 81 over Interstate-95 | Fair | 155.8 ft | 13,300 | 1957 |
| Route 17 NB over East Main Street | Fair | 170.9 ft | 13,300 | 1954 |
| Route 66 Eastbound over Route 66 Ramp 004 | Fair | 123.4 ft | 11,700 | 1965 |
| Route 17 NB over Route 9 | Fair | 221.1 ft | 11,400 | 1955 |
| Saybrook Road over Route 9 | Fair | 398.0 ft | 10,582 | 1959 |
| Route 166 over Amtrak Railroad | Fair | 65.3 ft | 10,400 | 1933 |
| Route 17 over Main Street Extension | Fair | 159.1 ft | 10,200 | 1955 |
| Route 3 over Route 9 | Fair | 520.0 ft | 9,200 | 1967 |
| US Route 1 over Menunketesuck River | Fair | 87.9 ft | 8,800 | 2003 |
| Silver Street over Route 9 | Fair | 150.9 ft | 7,969 | 1958 |
| Route 145 over Menunketesuck River | Fair | 28.9 ft | 7,800 | 1988 |
| Route 145 over Interstate-95 | Fair | 148.0 ft | 7,600 | 1957 |
| Route 82 over Ruth Hill Rd&roaring Bk | Fair | 227.0 ft | 7,600 | 1971 |
| Route 82 over Roaring Brook | Fair | 28.9 ft | 7,600 | 1982 |
| Route 166 over Interstate-95 | Fair | 160.1 ft | 7,500 | 1957 |
| US Route 1 over Patchogue River | Fair | 127.0 ft | 7,400 | 1925 |
| Route 68 over Allyns Brook | Fair | 26.2 ft | 7,300 | 1929 |
| Route 17 over Reservoir Brk & Cattle P | Fair | 27.9 ft | 7,200 | 1925 |
| Route 66 over Abandoned Rr & Drainage | Fair | 32.5 ft | 7,000 | 1977 |
| Route 81 over Indian River | Fair | 24.0 ft | 7,000 | 1988 |
| I-91 NB Tr 818 over Interstate-91 Northbound | Fair | 175.2 ft | 6,700 | 1988 |
| Route 16 over Pocotopaug Creek | Fair | 29.2 ft | 6,300 | 1939 |
| Route 153 over Amtrak Railroad | Fair | 37.4 ft | 6,200 | 1933 |
| Route 17 SB over East Main Street | Fair | 190.0 ft | 6,100 | 1949 |
| Route 80 over Deep River | Fair | 27.9 ft | 6,100 | 1967 |
| Route 16 over Salmon River | Fair | 130.9 ft | 6,000 | 1932 |
| Route 80 over Rogers Pond | Fair | 22.0 ft | 5,700 | 1941 |
| Country Club Road over Interstate 91 | Fair | 278.9 ft | 5,400 | 1965 |
| Route 80 over Chatfield Hollow Brook | Fair | 23.0 ft | 4,800 | 1935 |
| Evergreen Road over Route 9 | Fair | 405.8 ft | 4,700 | 1967 |
| Route 17 over Sumner Brook | Fair | 26.9 ft | 4,600 | 1955 |
| Route 145 over Amtrak Railroad | Fair | 166.0 ft | 4,200 | 1977 |
| Route 154 over Mill Creek | Fair | 29.9 ft | 4,200 | 1928 |
| Route 157 over Asmun Brook | Fair | 21.0 ft | 4,100 | 1920 |
| Route 157 over P&w Railroad | Fair | 76.1 ft | 4,100 | 1980 |
| SR 602 over Falls River | Fair | 42.0 ft | 4,100 | 1983 |
| Ridge Road over Sumner Brook | Fair | 21.0 ft | 3,800 | 1938 |
| Route 82 over Route 9 | Fair | 259.8 ft | 3,700 | 1971 |
| Route 148 over Pattaconk Brook | Fair | 25.9 ft | 3,600 | 1984 |
| Route 148 over Pattaconk Brook | Fair | 44.9 ft | 3,600 | 1984 |
| Coles Road over Route 9 Northbound | Fair | 109.3 ft | 3,573 | 1968 |
| Route 9 Ramp 028 over Route 81 | Fair | 86.0 ft | 3,500 | 1965 |
| Route 9 Ramp 028 over Ponset Brook | Fair | 32.2 ft | 3,500 | 1965 |
| SR 625 over Amtrak Railroad | Fair | 34.4 ft | 3,500 | 1890 |
| Russell Street over Sumner Brook | Fair | 47.9 ft | 3,433 | 1935 |
| Route 82 over Eight Mile River | Fair | 40.0 ft | 3,300 | 1925 |
| Coles Road over Route 9 SB & Ramp | Fair | 108.9 ft | 3,200 | 1967 |
| Route 149 over Moodus River | Fair | 30.8 ft | 3,200 | 1989 |
| High Street over P & W Railroad | Fair | 35.1 ft | 3,166 | 1982 |
| Route 196 over Pocotopaug Creek | Fair | 45.9 ft | 3,100 | 1913 |
| Route 17 over Carr Brook | Fair | 30.8 ft | 2,900 | 1938 |
| Liberty Street #1 over Amtrak Railroad | Fair | 36.1 ft | 2,700 | 1992 |
| Walnut Street over Route 9 | Fair | 161.1 ft | 2,634 | 1958 |
| Route 196 over Pocotopaug Creek | Fair | 23.0 ft | 2,600 | 1929 |
| Old Clinton Road over Patchogue River | Fair | 40.0 ft | 2,500 | 1976 |
| Nod Road over Interstate-95 | Fair | 148.0 ft | 2,400 | 1957 |
| Route 157 over Coginchaug River | Fair | 43.0 ft | 2,400 | 1936 |
| Wesleyan Hills Roa over Long Hill Brook | Fair | 23.0 ft | 2,346 | 1960 |
| Beach Park Road over Hammock River | Fair | 24.9 ft | 2,200 | 1947 |
| Clark Hill Road over Roaring Brook | Fair | 22.0 ft | 2,163 | 1935 |
| Long Hill Road over Interstate-95 | Fair | 161.7 ft | 2,100 | 1957 |
| School House Road over Amtrak Railroad | Fair | 68.6 ft | 2,100 | 1933 |
| Route 154 over South Cove | Fair | 227.0 ft | 2,100 | 1994 |
| Route 154 over South Cove | Fair | 164.0 ft | 2,100 | 1994 |
| SR 609 over Moodus River | Fair | 33.1 ft | 2,000 | 1930 |
| Route 151 over Mine Brook | Fair | 26.9 ft | 2,000 | 1989 |
| Route 9 SB Ramp16 over West Bridge Street | Fair | 148.0 ft | 1,850 | 1967 |
| Bow Lane over Route 9 | Fair | 147.6 ft | 1,800 | 1958 |
| Route 151 over Pine Brook | Fair | 38.1 ft | 1,800 | 1930 |
| Union Street over Deep River | Fair | 32.2 ft | 1,680 | 1930 |
| Middlefield Street over Coginchaug River | Fair | 80.1 ft | 1,654 | 1900 |
| Essex Street over Pratt Cove | Fair | 45.9 ft | 1,470 | 1999 |
| Miner Street over Fall Brook | Fair | 21.0 ft | 1,463 | 1978 |
| Dennison Road over Falls River | Fair | 37.1 ft | 1,314 | 1964 |
| Bridge Street over Deep River | Fair | 37.1 ft | 1,302 | 1990 |
| Dennison Road over Route 9 | Fair | 219.2 ft | 1,300 | 1967 |
| East Haddam - Colc over Moodus Reservoir | Fair | 30.8 ft | 1,300 | 2000 |
| Dennison Road over Conn Valley Railroad | Fair | 103.0 ft | 1,274 | 1910 |
| Strickland Road over Coginchaug River | Fair | 45.6 ft | 1,258 | 1936 |
| Dennison Road over Falls River | Fair | 37.1 ft | 1,182 | 1968 |
| Pond Meadow Road over Falls River | Fair | 37.1 ft | 1,100 | 1980 |
| Cider Mill Road over Coginchaug River | Fair | 42.0 ft | 1,071 | 1933 |
| Jail Hill Road over Beaver Meadow Brook | Fair | 24.0 ft | 1,045 | 1986 |
| Beaver Meadow Road over Beaver Meadow Brook | Fair | 33.1 ft | 1,000 | 1983 |
| Brickyard Road over Menunketesuck River | Fair | 35.1 ft | 937 | 1934 |
| Miller Road over Coginchaug River | Fair | 34.1 ft | 881 | 1936 |
| St. Peters Lane over Candlewood Hill Brook | Fair | 33.1 ft | 816 | 1963 |
| Ssr 434 over Muddy Brook | Fair | 24.0 ft | 700 | 1937 |
| Little City Road over Candlewood Hill Brook | Fair | 23.0 ft | 700 | 1991 |
| Christian Hill RD over Route 9 | Fair | 254.6 ft | 681 | 1965 |
| Kelseytwn Brdge RD over Menunketesuck River | Fair | 26.9 ft | 595 | 1938 |
| Ssr 434 over Brook | Fair | 24.0 ft | 500 | 1937 |
| Ssr 434 over Brook | Fair | 24.0 ft | 500 | 1937 |
| Thayer Road over Bible Rock Brook | Fair | 29.9 ft | 484 | 1990 |
| Scovil Road over Candlewood Hill Brook | Fair | 25.9 ft | 463 | 1983 |
| Depot Road over Ponset Brook | Fair | 40.0 ft | 408 | 1983 |
| Wilcox Street over Sumner Brook | Fair | 34.1 ft | 344 | 2010 |
| Wesley Avenue over Patchogue River | Fair | 64.0 ft | 312 | 1991 |
| Chestnut Hill Road over Pine Brook | Fair | 39.0 ft | 285 | 1987 |
| Chapman Millpond R over Interstate-95 | Fair | 155.8 ft | 274 | 1957 |
| Roberts Street over Route 9 | Fair | 149.9 ft | 263 | 1958 |
| Wig Hill Road over Route 9 | Fair | 254.9 ft | 250 | 1968 |
| Cesca Lane over Ball Brook | Fair | 21.0 ft | 212 | 2000 |
| Bell Street over Sawmill Brook | Fair | 24.9 ft | 169 | 1955 |
| Berlin Street over P & W Railroad | Fair | 45.9 ft | 167 | 1936 |
| Gristmill RD over Moodus River | Fair | 30.8 ft | 156 | 1956 |
| Wig Hill Road over Pattaconk Brook | Fair | 32.2 ft | 150 | 1950 |
| Cheney Street over Brook | Fair | 24.0 ft | 127 | 1983 |
| Pine Ledge Road over Stream | Fair | 25.9 ft | 120 | 1930 |
| Abner Lane over Pond Meadow Brook | Fair | 36.1 ft | 119 | 1998 |
| Jackson Street #1 over P & W Railroad | Fair | 40.0 ft | 56 | 1936 |
| River Road # 2 over Brook | Fair | 24.9 ft | 54 | 1970 |
| Shipyard Road over Mine Brook | Fair | 24.0 ft | 43 | 1941 |
| Interstate-91 over Falls Brook | Good | 23.0 ft | 108,700 | 1965 |
| Route 9 over Game Area Road | Good | 21.0 ft | 61,300 | 1968 |
| Interstate-95 over Liberty Street No. 1 | Good | 55.1 ft | 59,800 | 1957 |
| Interstate-95 over Valley Railroad | Good | 26.9 ft | 54,600 | 1957 |
| Route 9 Southbound over Mattabesset River | Good | 147.0 ft | 33,900 | 1988 |
| Route 9 over Great Brook | Good | 38.1 ft | 31,100 | 1967 |
| Route 66 over Coginchaug River | Good | 82.0 ft | 25,400 | 1979 |
| Route 9 Southbound over Bartholomew Road | Good | 86.9 ft | 22,900 | 1959 |
| US Route 1 over Amtrak Railroad | Good | 125.3 ft | 19,400 | 1976 |
| Route 9 Southbound over Kelsey Hill Road | Good | 92.8 ft | 16,600 | 1967 |
| Route 217 over Mattabesset River | Good | 169.9 ft | 15,700 | 2004 |
| Route 17 over Long Hill Brook | Good | 28.9 ft | 14,300 | 2014 |
| Route 9 Northbound over Route 154 | Good | 101.0 ft | 13,500 | 1966 |
| Route 17 over Long Hill Brook | Good | 34.1 ft | 13,100 | 2001 |
| Route 155 over Sumner Brook | Good | 24.0 ft | 9,100 | 1936 |
| Route 68 over Coginchaug River | Good | 47.9 ft | 8,900 | 1989 |
| Route 82 over Succor Brook | Good | 30.8 ft | 6,600 | 2014 |
| Route 80 over Deep River | Good | 54.1 ft | 6,100 | 2021 |
| Industrial Park RD over Mattabesset River | Good | 121.1 ft | 6,100 | 1983 |
| East Main Street over Sumner Brook | Good | 106.0 ft | 5,912 | 1985 |
| Route 79 over Hammonasset Brook | Good | 24.9 ft | 5,800 | 2015 |
| Route 154 over Falls River | Good | 60.0 ft | 5,800 | 1982 |
| Route 82 over Succor Brook | Good | 30.8 ft | 5,700 | 2014 |
| Route 154 over Candlewood Hill Brook | Good | 56.4 ft | 5,400 | 2016 |
| Route 147 over Coginchaug River | Good | 88.9 ft | 5,400 | 2013 |
| Route 154 over Ponset Brook | Good | 34.1 ft | 5,400 | 1987 |
| Route 154 over Deep River | Good | 35.1 ft | 5,000 | 1984 |
| Route 148 over Pattaconk Brook | Good | 26.9 ft | 5,000 | 1939 |
| Route 148 over Pattaconk Brook | Good | 24.9 ft | 4,800 | 1991 |
| Route 17a over Carr Brook | Good | 29.9 ft | 4,600 | 2014 |
| West Street over P & W Railroad | Good | 39.0 ft | 4,572 | 2019 |
| Route 9 Ramp 006 over Mud River | Good | 21.0 ft | 4,405 | 1966 |
| Route 148 over Pattaconk Brook | Good | 27.9 ft | 4,400 | 1984 |
| Prospect Street over P & W Railroad | Good | 138.1 ft | 4,295 | 2010 |
| Route 154 over Chester Creek | Good | 42.0 ft | 4,100 | 2010 |
| Route 9 Ramp 027 over Ponset Brook | Good | 25.9 ft | 4,000 | 1965 |
| Main Street over Pocotopaug Creek | Good | 23.0 ft | 3,718 | 2009 |
| Route 154 over Plum Bank Creek | Good | 46.9 ft | 3,600 | 2021 |
| Route 80 over Menunketesuck River | Good | 24.9 ft | 3,600 | 1983 |
| Flat Rock Place over Wetlands | Good | 65.0 ft | 3,518 | 1996 |
| Flat Rock Place over Wetlands | Good | 181.1 ft | 3,515 | 1996 |
| Flat Rock Place over Wetlands | Good | 188.0 ft | 3,511 | 1996 |
| Main St. #2 over Brook | Good | 27.9 ft | 3,442 | 1983 |
| Route 151 over Salmon River | Good | 256.9 ft | 3,400 | 2008 |
| Flat Rock Place over Wetlands | Good | 312.0 ft | 3,380 | 1996 |
| Route 81 over Ponset Brook | Good | 25.9 ft | 3,300 | 1983 |
| Glenwood Road over Indian River | Good | 25.9 ft | 3,025 | 1958 |
| Pearl Street over P & W Railroad | Good | 46.9 ft | 2,958 | 2009 |
| Cherry Hill Road over Coginchaug River | Good | 90.9 ft | 2,897 | 2000 |
| Old Clinton Road over Amtrak Railroad | Good | 64.0 ft | 2,500 | 1997 |
| Willard Avenue over Interstate-95 | Good | 179.5 ft | 2,480 | 1958 |
| Route 82 over Hemlock Valley Brook | Good | 38.1 ft | 2,300 | 2017 |
| Route 82 over Hungerford Brook | Good | 48.9 ft | 2,100 | 2017 |
| Route 154 over South Cove | Good | 204.1 ft | 2,100 | 1994 |
| Picket Lane over Hersig Brook | Good | 22.0 ft | 1,919 | 2022 |
| Route 148 over Brook | Good | 32.2 ft | 1,900 | 2015 |
| Route 151 over Moodus River | Good | 33.1 ft | 1,900 | 2010 |
| Mill Street over Long Hill Brook | Good | 33.1 ft | 1,605 | 2001 |
| Route 148 over Great Brook | Good | 34.1 ft | 1,600 | 2012 |
| Main Street over Pattaconk Brook | Good | 30.8 ft | 1,500 | 2016 |
| Little City Road over Ponset Brook | Good | 24.9 ft | 1,500 | 1961 |
| Spring Street over Deep River | Good | 34.1 ft | 1,428 | 1982 |
| Saw Mill Road over Parmelee Brook | Good | 49.9 ft | 1,300 | 2001 |
| Ingham Hill Road over Amtrak Railroad | Good | 85.0 ft | 1,220 | 1990 |
| Winthrop Road over Falls River | Good | 26.9 ft | 1,200 | 2016 |
| Kelseytown Road over Menunketesuck River | Good | 74.1 ft | 1,138 | 2021 |
| Maple Avenue over Allyn Brook | Good | 29.9 ft | 1,124 | 1957 |
| Haywardville Road over Eight Mile River | Good | 20.0 ft | 1,000 | 1970 |
| Beaver Meadow Road over Beaver Meadow Brook | Good | 23.0 ft | 1,000 | 2022 |
| Village Street over Deep River | Good | 30.8 ft | 986 | 2012 |
| Walnut Street over Falls River | Good | 58.1 ft | 963 | 2018 |
| North Main Street over Great Brook | Good | 27.9 ft | 840 | 2001 |
| North Main Street over Great Brook | Good | 25.9 ft | 840 | 1983 |
| Dublin Hill Road over Ponset Brook | Good | 84.0 ft | 810 | 2019 |
| Route 9 Ramp 026 over Ponset Brook | Good | 21.0 ft | 800 | 1965 |
| Silver Birch Lane over Brook | Good | 24.0 ft | 780 | 1980 |
| North Main Street over Great Brook | Good | 29.9 ft | 700 | 1990 |
| Pleasant Valley RD over Menunketesuck River | Good | 32.5 ft | 650 | 2022 |
| North Road Extens. over Coles Brook | Good | 27.9 ft | 597 | 2020 |
| Lynn Road over Falls River | Good | 38.1 ft | 550 | 2019 |
| Depot Road over Candlewood Hill Brook | Good | 47.9 ft | 469 | 1986 |
| Foxtown Road over Eight Mile River | Good | 32.2 ft | 369 | 2019 |
| Carter Hill Road over Menunketesuck River | Good | 41.3 ft | 359 | 2022 |
| Chatfield Hollow R over Chatfield Hollow Brook | Good | 30.8 ft | 359 | 1934 |
| River Road No. 1 over Chatfield Hollow Brook | Good | 68.9 ft | 357 | 1960 |
| Heritage Boulevard over Miner Brook | Good | 22.0 ft | 343 | 1986 |
| Reservoir Road over Menunketesuck River | Good | 29.9 ft | 306 | 2009 |
| Chatfield Hollow R over Chatfield Hollow Brook | Good | 27.9 ft | 306 | 2002 |
| Johnsonville Road over Moodus River | Good | 61.0 ft | 285 | 2019 |
| Nehantic Trail #2 over Mud Creek | Good | 66.9 ft | 268 | 2003 |
| Grapevine Road over Candlewood Hill Brook | Good | 25.9 ft | 254 | 1990 |
| Wilcox Hill Road over Reservoir Brook | Good | 29.9 ft | 228 | 1995 |
| Boardman Lane No 1 over Sawmill Brook | Good | 32.2 ft | 174 | 1981 |
| Mill Street over Sumner Brook | Good | 76.1 ft | 161 | 1953 |
| Dish Mill Road over Ponset Brook | Good | 45.9 ft | 153 | 1963 |
| Jones Hill Road over Eight Mile River | Good | 39.0 ft | 93 | 2006 |
| Dolbia Hill Road 2 over Eight Mile River | Good | 39.0 ft | 87 | 2005 |
| North Road over Route 9 Southbound | Good | 124.7 ft | 76 | 1988 |
| North Road over Route 9 NB & Ramp | Good | 154.9 ft | 71 | 1988 |
| Boulder Dell Road over Bible Rock Brook | Good | 25.9 ft | 57 | 1986 |