| Nh 16 Sp Tpk SB over Cocheco River | Poor | 267.1 ft | 23,607 | 1957 |
| Nh 16 Sp Tpk NB over Cocheco River | Poor | 267.1 ft | 22,560 | 1957 |
| Nh 16 Sp Tpk NB over Nh108 Csx(abd) | Poor | 206.0 ft | 22,163 | 1957 |
| Nh 16 Sp Tpk SB over Nh108 Csx(abd) | Poor | 299.9 ft | 21,323 | 1957 |
| Nh125 over Isinglass River | Poor | 119.1 ft | 14,407 | 1951 |
| US 4 over Nh155a | Poor | 83.0 ft | 13,387 | 1968 |
| Oak Street over Csx | Poor | 65.0 ft | 8,749 | 1890 |
| Gulf Road over Salmon Falls River | Poor | 488.8 ft | 6,132 | 1950 |
| Cocheco Road over Cocheco River | Poor | 64.0 ft | 1,773 | 1953 |
| Spring Street over Cocheco River | Poor | 39.0 ft | 770 | 1926 |
| River Road over Mad River | Poor | 35.1 ft | 110 | 1986 |
| Townhouse Road over Northeast Pond | Poor | 94.2 ft | 96 | 1948 |
| Sheepboro Road over Berrys River | Poor | 21.7 ft | 20 | 1983 |
| Nh 16 Sp Tpk over New Bellamy Lane | Fair | 29.9 ft | 42,313 | 1955 |
| Nh 16 Sp Tpk over Long Hill Road | Fair | 86.0 ft | 30,695 | 1956 |
| Nh 16 Sp Tpk over Blackwater Road | Fair | 35.1 ft | 30,695 | 1957 |
| Nh 9 Silver ST over Nh 16 Sp Tpk | Fair | 190.9 ft | 23,667 | 1957 |
| Nh 16 Sp Tpk NB over Bmrr | Fair | 145.0 ft | 22,560 | 1957 |
| US 4 over Oyster River | Fair | 24.0 ft | 18,654 | 1929 |
| Nh 16 Sp Tpk over Lyman Brook | Fair | 312.0 ft | 16,645 | 1980 |
| Nh 16 Sp Tpk over Cross Road | Fair | 96.1 ft | 16,645 | 1978 |
| Us202 Nh 11 over Nhncrr | Fair | 141.1 ft | 16,502 | 1957 |
| Nh125 over Cocheco River | Fair | 53.1 ft | 16,489 | 1931 |
| Nh 16 Sp Tpk over Nh125 | Fair | 115.2 ft | 15,006 | 1981 |
| Nh 16 Sp Tpk over Nhncrr | Fair | 62.0 ft | 14,518 | 1980 |
| Nh 16 Sp Tpk over Teneriffe Road | Fair | 73.2 ft | 14,518 | 1980 |
| Nh202a over Cocheco River | Fair | 132.9 ft | 14,115 | 1883 |
| Us202 Nh 11 over Salmon Falls River | Fair | 82.0 ft | 13,084 | 1945 |
| Chestnut Street over Cocheco River | Fair | 208.0 ft | 12,810 | 1975 |
| Nh 11 over Mad River | Fair | 38.1 ft | 12,121 | 1955 |
| Nh 9 Nh108 NB over Cocheco River | Fair | 101.0 ft | 12,115 | 1977 |
| Nh125(ramp D) over Us202 Nh 11 Wb(ramp A) | Fair | 124.0 ft | 8,957 | 1966 |
| Nh 9 over Mallego Brook | Fair | 54.1 ft | 8,063 | 1960 |
| Main Street over Csx Pedestrian | Fair | 43.0 ft | 7,773 | 1936 |
| Gulf Road over Fresh Creek | Fair | 21.0 ft | 5,853 | 1948 |
| Nh125 over Lyman Brook | Fair | 27.9 ft | 5,629 | 1935 |
| Washington Street over Csx | Fair | 27.9 ft | 5,525 | 1907 |
| Salmon Falls Road over Salmon Falls River | Fair | 118.1 ft | 5,060 | 1969 |
| Madbury Road over Csx | Fair | 192.9 ft | 4,724 | 1980 |
| Nh 75 over Nhncrr | Fair | 69.9 ft | 3,708 | 1978 |
| Nh202a over Isinglass River | Fair | 24.9 ft | 2,212 | 1923 |
| Greenhill Road over Isinglass River | Fair | 65.9 ft | 2,078 | 1955 |
| Front Street over Salmon Falls River | Fair | 155.8 ft | 2,049 | 1962 |
| Garage Way over Salmon Falls River | Fair | 104.0 ft | 1,881 | 1950 |
| Buffumsville RD over Salmon Falls River | Fair | 120.1 ft | 1,727 | 1982 |
| Lee Hook Road over Lamprey River | Fair | 75.1 ft | 1,630 | 1923 |
| Nh152 over Lamprey River | Fair | 136.2 ft | 1,470 | 1933 |
| Mill Road over Csx | Fair | 37.1 ft | 1,379 | 1973 |
| Rochester Neck RD over Isinglass River | Fair | 66.9 ft | 1,329 | 1979 |
| Nh 75 over Mad River | Fair | 48.9 ft | 871 | 1900 |
| Old Nh 11 over Merrymeeting River | Fair | 24.0 ft | 662 | 1926 |
| Bennett Road over Csx | Fair | 33.5 ft | 657 | 1910 |
| Lebanon Street over Salmon Falls River | Fair | 32.5 ft | 557 | 1920 |
| Cartland Road over Little River | Fair | 20.0 ft | 164 | 1957 |
| Nh 16 Sp Tpk Ramp over Nh125 | Good | 148.0 ft | 44,530 | 2009 |
| Us202 Nh 16 Sp Tpk over Ten Rod Road | Good | 115.2 ft | 41,600 | 2012 |
| Us202 Nh 16 Sp Tpk over Nh202a (walnut Street) | Good | 58.4 ft | 41,600 | 1957 |
| Nh 16 Sp Tpk over Cocheco River | Good | 166.0 ft | 39,653 | 2010 |
| Nh 16 Sp Tpk over Axehandle Brook | Good | 32.2 ft | 39,505 | 1957 |
| Nh 16 Sp Tpk over Us202 | Good | 172.6 ft | 37,452 | 2011 |
| US 4 Nh 16 Tpk NB over Little Bay RD | Good | 1598.1 ft | 34,298 | 1966 |
| US 4 Nh 16 Tpk SB over Little Bay RD | Good | 1648.6 ft | 33,938 | 2018 |
| Indian Brook Drive over Nh 16 Sp Tpk | Good | 170.9 ft | 32,326 | 1957 |
| Nh 16 Sp Tpk SB over Bmrr | Good | 146.0 ft | 23,607 | 1957 |
| Nh 16 Sp Tpk over Nh 16 Connector | Good | 107.3 ft | 23,195 | 1978 |
| Nh 16 Sp Tpk NB over Cocheco River | Good | 146.3 ft | 22,610 | 2012 |
| US 4 over Bellamy River | Good | 1138.8 ft | 19,707 | 1998 |
| US 4 over Bunker Creek | Good | 63.3 ft | 19,707 | 2020 |
| Nh 11 over Us202 Nh 16 Sp Tpk | Good | 194.9 ft | 19,200 | 2011 |
| Nh 16 Sp Tpk SB over Cocheco River | Good | 145.3 ft | 18,254 | 2012 |
| Nh 16 Sp Tpk over Mckeaghney Road | Good | 71.9 ft | 16,645 | 1978 |
| Nh 16 Sp Tpk over Betts Road | Good | 96.1 ft | 16,645 | 1978 |
| Us202 Nh 11 over Nh125 | Good | 146.0 ft | 16,502 | 1957 |
| Nh125 over Axe Handle Brook | Good | 24.9 ft | 16,489 | 1983 |
| Nh108 over Bellamy River | Good | 92.8 ft | 16,298 | 1986 |
| Us202 Nh 11 Sp Tpk over Chestnut Hill Road | Good | 71.9 ft | 15,397 | 1978 |
| Us202 Nh 11 Sp Tpk over Recreation Trail | Good | 44.6 ft | 15,397 | 1978 |
| Nh 16 Sp Tpk over Branch River | Good | 164.4 ft | 14,518 | 1981 |
| Nh 16 Sp Tpk over Jones Access Road | Good | 33.1 ft | 14,518 | 1980 |
| Nh 16 Sp Tpk over Silver Street | Good | 91.9 ft | 14,518 | 1980 |
| Nh 16 Sp Tpk over Nh 75 | Good | 140.1 ft | 14,518 | 1980 |
| US 4 WB over Sp Tpk Nh 16 | Good | 193.9 ft | 14,360 | 2020 |
| Nh 9 Nh236 over Salmon Falls River | Good | 113.8 ft | 13,459 | 1962 |
| US 4 over Nh155 | Good | 74.1 ft | 13,387 | 1968 |
| Nh108 over Oyster River | Good | 31.2 ft | 11,978 | 1991 |
| Nh155 over Bellamy River | Good | 80.1 ft | 11,771 | 1982 |
| US 4 over Csx | Good | 82.0 ft | 11,540 | 1966 |
| US 4 over Nh108 | Good | 157.2 ft | 10,545 | 1966 |
| Nh 4 over Salmon Falls River | Good | 164.0 ft | 10,507 | 1970 |
| Nh155 over Csx | Good | 189.6 ft | 9,859 | 2007 |
| Nh 9 over Bmrr | Good | 126.0 ft | 9,696 | 2011 |
| Main Street over Cocheco River | Good | 113.8 ft | 8,305 | 1986 |
| Us202 over Rickers Brook | Good | 24.0 ft | 7,961 | 1939 |
| Us202 over Isinglass River | Good | 54.8 ft | 5,938 | 1934 |
| Little Falls Br RD over Cocheco River | Good | 115.2 ft | 5,899 | 1991 |
| Nh125 over Nhncrr | Good | 150.9 ft | 5,656 | 1954 |
| Sixth Street over Nh 16 Sp Tpk | Good | 180.1 ft | 5,442 | 1957 |
| Nh 9 Nh108 SB over Cocheco River | Good | 140.1 ft | 5,430 | 1976 |
| Tebbetts Road over Nh 16 Sp Tpk | Good | 168.0 ft | 4,661 | 1957 |
| Whittier Street over Cocheco River | Good | 167.3 ft | 4,392 | 2018 |
| Tolend Road over Nh 16 Sp Tpk | Good | 207.0 ft | 4,112 | 1957 |
| Rollins Road over Main Street Csx | Good | 116.1 ft | 3,589 | 2000 |
| Nh 75 Central ST over Cocheco River | Good | 36.1 ft | 2,963 | 1985 |
| Watson Road over Cocheco River | Good | 145.0 ft | 2,901 | 1986 |
| Nh 16 Sp Tpk Ramp over Cocheco River | Good | 145.0 ft | 2,885 | 2012 |
| Nh 16 Sp Tpk Ramp over Cocheco R. Backwater | Good | 231.0 ft | 2,885 | 2012 |
| Nh152 over North River | Good | 37.1 ft | 2,809 | 1928 |
| Glenwood Avenue over Nh 16 Sp Tpk | Good | 240.2 ft | 2,660 | 1957 |
| Applebee Road over Branch River | Good | 128.9 ft | 2,458 | 1966 |
| Sp Tpk SB On Ramp over Cocheco River | Good | 269.0 ft | 2,280 | 2009 |
| Fourth Street over Cocheco River | Good | 179.1 ft | 2,189 | 1978 |
| Nh125 over Jones Brook | Good | 27.9 ft | 1,801 | 1932 |
| Bagdad Road over US 4 | Good | 215.9 ft | 1,751 | 1966 |
| Mill Pond Road over College Brook | Good | 23.0 ft | 1,687 | 1998 |
| Flat Rock Br RD over Salmon Falls River | Good | 84.0 ft | 1,654 | 1983 |
| Packers Falls Road over Lamprey River | Good | 66.9 ft | 1,378 | 1912 |
| Bridge Street over Cocheco River | Good | 89.9 ft | 1,290 | 1920 |
| Nh126 over Isinglass River | Good | 40.0 ft | 1,264 | 1947 |
| Sp Tpk NB Off Ramp over Cocheco River | Good | 178.8 ft | 1,233 | 2010 |
| Nh153 over Cocheco River | Good | 76.1 ft | 1,167 | 2018 |
| Cataract Avenue over Nh 16 Sp Tpk | Good | 190.0 ft | 1,140 | 1957 |
| Spaulding AVE over Canal | Good | 52.5 ft | 1,013 | 2012 |
| Spaulding Avenue over Salmon Falls River | Good | 100.1 ft | 1,013 | 1990 |
| Stillwater Circle over Brook | Good | 86.9 ft | 798 | 1988 |
| Spring Street over Ela River | Good | 48.2 ft | 770 | 1998 |
| Tuttle Road over Little River | Good | 25.9 ft | 735 | 1959 |
| Mallego Road over Mallego Brook | Good | 44.3 ft | 665 | 2020 |
| Northwood Road over Buzzels Run Brook | Good | 24.9 ft | 662 | 2010 |
| Chesley Hill Road over Axe Handle Brook | Good | 47.2 ft | 579 | 2008 |
| Washington Street over Cocheco River | Good | 165.0 ft | 552 | 2010 |
| Innovation Drive over Nhncrr | Good | 177.2 ft | 552 | 2013 |
| Gerrish Road over Nh 16 Sp Tpk | Good | 169.0 ft | 328 | 1956 |
| Wiswall Road over Lamprey River | Good | 111.9 ft | 259 | 2010 |
| High Street over North River | Good | 48.9 ft | 165 | 2012 |
| Nute Road over Bellamy River | Good | 38.1 ft | 116 | 2022 |
| Milton Road over Dames Brook | Good | 22.0 ft | 96 | 2002 |