| Nh 11 NH103 over Sugar River | 1981 | 13,248 | Fair |
| Nh 11 NH103 over Sugar River | 1985 | 12,792 | Good |
| I-89 Nh 10 SB over I-89 Ramp | 1959 | 10,987 | Fair |
| I-89 Nh 10 SB over Miller Pond Road | 1972 | 10,987 | Good |
| I-89 Nh 10 SB over Skinner Brook | 1972 | 10,987 | Fair |
| I-89 Nh 10 SB over Stony Brook | 1972 | 10,987 | Good |
| I-89 SB over Nh 10 | 1972 | 10,987 | Fair |
| I-89 NB over Nh 10 | 1959 | 10,804 | Fair |
| I-89 NB over Nh 10 | 1967 | 10,804 | Fair |
| I-89 Nh 10 NB over I-89 Ramp | 1972 | 10,804 | Fair |
| I-89 Nh 10 NB over Miller Pond Road | 1959 | 10,804 | Fair |
| I-89 Nh 10 NB over Skinner Brook | 1959 | 10,804 | Fair |
| Nh 10 Nh 11 NH103 over Sugar River | 1930 | 10,042 | Fair |
| Nh 11 NH103 over Ram Brook | 2008 | 9,959 | Good |
| Nh 11 NH103 over Sugar River Ped Trail | 1998 | 9,959 | Fair |
| I-89 SB over NH114 | 1967 | 9,692 | Good |
| I-89 SB over Nh 10 | 1967 | 9,692 | Fair |
| I-89 SB over Stocker Brook | 1967 | 9,692 | Fair |
| I-89 SB over Stoney Brook Road | 1967 | 9,692 | Fair |
| I-89 SB over Stoney Brook Road | 1968 | 9,692 | Good |
| Nh 12 NH103 over Red Water Brook | 1997 | 9,640 | Fair |
| I-89 NB over NH114 | 1967 | 9,480 | Good |
| I-89 NB over Stocker Brook | 1967 | 9,480 | Fair |
| I-89 NB over Stoney Brook Road | 1967 | 9,480 | Fair |
| I-89 NB over Stoney Brook Road | 1968 | 9,480 | Good |
| I-89 SB over Georges Mills Road | 1968 | 9,402 | Good |
| Nh 12 NH103 over Connecticut River | 1969 | 9,277 | Fair |
| I-89 NB over Georges Mills Road | 1967 | 9,237 | Good |
| Nh 11 Nh 12 over Little Sugar River | 1964 | 7,934 | Fair |
| Nh 11 over Otter Pond Outlet | 1954 | 7,212 | Fair |
| Nh 11 over Sugar River | 1957 | 7,207 | Fair |
| Nh 10 over Sawyer Brook | 1968 | 6,896 | Fair |
| Nh 10 over Stocker Brook | 1936 | 6,896 | Fair |
| Nh 12 NH103 over Sugar River | 1996 | 6,584 | Fair |
| Nh 11 over Connecticut River | 1900 | 6,519 | Fair |
| Nh 11 over Sugar River | 1957 | 5,968 | Good |
| Lovers Lane over Necrr | 1996 | 4,608 | Good |
| Nh 12 over Necrr | 1959 | 3,937 | Good |
| Nh 10 over Croydon Branch Sugar R | 1973 | 3,612 | Fair |
| Nh 10 over Ash Swamp Brook | 1927 | 3,532 | Good |
| Nh 10 over Croydon Branch Sugar R | 1935 | 3,532 | Good |
| Nh 10 over Gunnison Brook | 1975 | 2,873 | Fair |
| Nh 11 over Necrr | 1965 | 2,864 | Fair |
| Bradford Road over Wendell Brook | 2018 | 2,811 | Good |
| Cornish Toll Br Rd over Connecticut River | 1866 | 2,722 | Poor |
| NH120 over Bloods Brook | 1934 | 2,707 | Fair |
| Nh 12A over Blow-me-down Brook | 1959 | 2,429 | Good |
| Main Street over Sugar River | 1920 | 2,301 | Fair |
| NH120 over Redwater Brook | 1956 | 2,300 | Good |
| NH103 over Sugar River | 1957 | 2,220 | Good |
| Nh 12A over Mill Brook | 1937 | 2,087 | Good |
| NH120 over Blow-me-down Brook | 1933 | 2,052 | Fair |
| Nh 10 over S Branch Sugar River | 1928 | 1,915 | Good |
| Cross Street over Sugar River | 1983 | 1,833 | Fair |
| Paradise Road over Wendell Brook | 1998 | 1,792 | Good |
| Nh 10 over Giles Brook | 1934 | 1,745 | Fair |
| NH114 over Stocker Brook | 1941 | 1,542 | Good |
| NH114 over Stocker Brook | 1929 | 1,542 | Good |
| Nh 12A over Little Sugar River | 1984 | 1,429 | Fair |
| Nh 12A over Necrr | 2000 | 1,429 | Good |
| Nh 12A over Ox Brook | 2002 | 1,429 | Good |
| Plains Road over Sugar River | 1974 | 1,376 | Poor |
| Citizens Street over Sugar River | 1959 | 1,345 | Fair |
| Allen Road over Cold River | 1975 | 1,167 | Good |
| Mountain Road over Ashuelot River | 1936 | 1,167 | Fair |
| NH123A over Bowers Brook | 2018 | 1,167 | Good |
| NH123A over Cold River | 1961 | 1,167 | Good |
| Stage Road over Blow-me-down Brook | 1961 | 1,167 | Good |
| Belknap Avenue over Sugar River | 1974 | 1,141 | Fair |
| Nh 11 Ramp over Sugar River | 1923 | 1,110 | Fair |
| Nh 12A over Nh 12 Necrr | 1970 | 1,091 | Good |
| Nh 12A over Sugar River | 1967 | 1,067 | Poor |
| Brook Road over Gunnison Brook | 1940 | 1,012 | Fair |
| Brook Road over Gunnison Brook | 1940 | 1,012 | Fair |
| Brook Road over Gunnison Brook | 1945 | 1,012 | Fair |
| Pollards Mills Rd over So Br Sugar River | 2003 | 963 | Good |
| Nh 12A over Great Brook | 1949 | 957 | Fair |
| Oak Street over Sugar River | 1979 | 890 | Fair |
| Drewsville Road over Great Brook | 1955 | 883 | Fair |
| NH114 over Stocker Pond Outlet | 1934 | 715 | Good |
| Town House Road over Geer Brook | 1981 | 641 | Good |
| Town House Road over Mill Brook | 1940 | 641 | Fair |
| Oak Street over Sugar River | 2019 | 585 | Good |
| Stage Road over Blow-me-down Brook | 1954 | 574 | Poor |
| Pine Hill Road over Croydon Branch Sugar R | 1989 | 562 | Good |
| Lower Main Street over Sugar River | 1900 | 557 | Good |
| Corbin Bridge Road over Croydon Branch Sugar R | 1845 | 545 | Fair |
| Bridge Street over Necrr | 1992 | 534 | Poor |
| High Street over Sugar River | 1920 | 505 | Fair |
| Thrasher Road over Red Water Brook | 1900 | 505 | Good |
| Nh 31 over Ashuelot River | 1935 | 494 | Fair |
| Bean Road over Bloods Brook | 1969 | 481 | Good |
| Crane Brook Road over Cold River | 1964 | 369 | Fair |
| NH123A over Cold River | 1961 | 369 | Good |
| Cold Pond Road over Little Sugar River | 1930 | 317 | Fair |
| Lear Hill Road over S Branch Sugar River | 1991 | 309 | Good |
| Daniels Road over Blow-me-down Brook | 2002 | 293 | Good |
| Red Water Brook Rd over Red Water Brook | 1925 | 211 | Fair |
| Stage Road over Little Sugar River | 1999 | 210 | Good |
| Croydon Brook Road over Beaver Brook | 1974 | 178 | Good |
| Sand Hill Road over Brook | 1984 | 157 | Good |
| Forest Road over Cold River | 1974 | 153 | Fair |
| Center Road over Mill Brook | 1950 | 149 | Fair |
| Westgate Road over Blow-me-down Brook | 1981 | 143 | Fair |
| Colby Hill Road over Bloods Brook | 1880 | 137 | Fair |
| Hell Hollow Road over Blow-me-down Brook | 1975 | 132 | Fair |
| Mill Village Road over Mill Brook | 1969 | 126 | Good |
| Cooper Street over Otter Pond Outlet | 1920 | 125 | Fair |
| Leavitt Hill Road over Blow-me-down-brook | 1950 | 112 | Poor |
| River Road over Cold River | 1929 | 105 | Fair |
| River Road over Dodge Brook | 1933 | 105 | Good |
| Ayers Pond Road over Woodward Brook | 2020 | 96 | Good |
| Ball Park Road over Trow Brook | 1930 | 96 | Fair |
| Beryl Mt Road over Cold River | 1977 | 96 | Fair |
| Camp Road over Newton Brook | 2018 | 96 | Fair |
| Church Road over Chase Brook | 2012 | 96 | Good |
| Cold River Road over Great Brook | 1982 | 96 | Good |
| Coon Brook Road over So Br Sugar River | 1960 | 96 | Good |
| Cote Road over Croydon Branch | 1991 | 96 | Fair |
| Cross Road over Gunnison Brook | 2013 | 96 | Good |
| Cutler Road over Bloods Brook | 1940 | 96 | Fair |
| Dole School Hs Rd over Highland Lake Outlet | 2012 | 96 | Good |
| Echo Valley Road over Cold River | 2006 | 96 | Good |
| Farm Road over Blow-me-down Brook | 1940 | 96 | Good |
| Fling Road over Clay Brook | 2011 | 96 | Good |
| Grout Hill Road over Cold River | 1930 | 96 | Poor |
| Halfmoon Pond Rd over Halfmoon Pond Outlet | 2009 | 96 | Good |
| Hemlock Road over Great Brook | 1940 | 96 | Fair |
| Keyes Hollow Road over Cold River | 2014 | 96 | Good |
| Ladieu Road over Bloods Brook | 1920 | 96 | Fair |
| Mill Street over Halfmoon Pond Outlet | 2012 | 96 | Good |
| Miller Pond Road over Skinner Brook | 1964 | 96 | Good |
| Mummery Road East over Cold Brook | 1940 | 96 | Fair |
| Neal Mine Road over Little Sugar River | 2011 | 96 | Fair |
| Old Cheshire Co Rd over Spring Brook | 2013 | 96 | Good |
| Old Nh 10 over Skinner Brook | 1930 | 96 | Fair |
| Old State Road over Jabes Meadow Brook | 1993 | 96 | Fair |
| Olde Farms Road over Skinner Brook | 2015 | 96 | Good |
| Olds Road over Dodge Brook | 2022 | 96 | Good |
| Paradise Road over Sugar River | 1976 | 96 | Poor |
| Purling Beck Road over Beards Brook | 1920 | 96 | Fair |
| Quaker City Road over Little Sugar River | 1930 | 96 | Good |
| Red Water Brook Rd over Red Water Brook | 1935 | 96 | Fair |
| South Slack Rd over Little Sugar River | 1991 | 96 | Good |
| Stage Road over Little Sugar River | 1980 | 96 | Poor |
| Stage Road over Little Sugar River | 2008 | 96 | Good |
| Strand Road over Red Water Brook | 1991 | 96 | Good |
| Tandy Brook Road over Mill Brook | 1955 | 96 | Fair |
| Thrasher Road over Blow-me-down Brook | 1996 | 96 | Good |
| Treatment Road over Sugar River | 2009 | 96 | Good |
| Valley Road over Highland Lake Inlet | 2015 | 96 | Good |
| Whitewater Bk Rd over Red Water Brook | 1930 | 96 | Fair |
| Winn Hill Road over Sugar River | 1910 | 96 | Fair |
| Howe Hill Road over I-89 | 1967 | 95 | Fair |
| Root Hill Road over Mill Brook | 1883 | 92 | Fair |
| Platt Road over Blow-me-down Brook | 1930 | 82 | Fair |
| Marlow Road over Ashuelot River | 1920 | 65 | Fair |
| Squag City Road over Blow-me-down Brook | 1877 | 19 | Fair |