| Nh101 over Otter Brook | Poor | 82.0 ft | 11,538 | 1933 |
| Nh 12 over S Branch Ashuelot River | Poor | 36.1 ft | 8,976 | 1941 |
| Nh119 over Connecticut River | Poor | 338.9 ft | 8,535 | 1920 |
| Nh119 over Connecticut River | Poor | 296.9 ft | 8,535 | 1920 |
| Nh 12 over Nhrr(abd) | Poor | 70.9 ft | 8,066 | 1957 |
| Nh 12 over Mill Brook | Poor | 21.3 ft | 6,478 | 1941 |
| Maple AVE over Black Brook | Poor | 23.0 ft | 3,502 | 1961 |
| Nh 32 over Martin Brook | Poor | 26.9 ft | 2,956 | 1929 |
| Christian Hill RD over Nhrr(abd) | Poor | 74.1 ft | 2,191 | 1930 |
| Chesham Road over Minnewawa Brook | Poor | 89.9 ft | 1,191 | 1939 |
| River Road South over Partridge Brook | Poor | 147.3 ft | 1,167 | 1937 |
| Whitcomb Mills RD over White Brook | Poor | 23.0 ft | 826 | 1940 |
| Scotland Road over Roaring Brook | Poor | 34.1 ft | 607 | 1955 |
| Whipple Hill Road over Roaring Brook | Poor | 43.0 ft | 233 | 1950 |
| Hill Road over Darby Brook | Poor | 29.9 ft | 96 | 1970 |
| South Road over Minnewawa Brook | Poor | 30.8 ft | 96 | 1950 |
| Lewis Road over Ashuelot River | Poor | 74.1 ft | 96 | 1960 |
| Templeton Turnpike over Priest Brook | Poor | 21.0 ft | 87 | 1984 |
| Rec Area Access RD over Otter Brook | Poor | 44.6 ft | 50 | 1967 |
| Rec Area Access RD over Otter Brook | Poor | 45.3 ft | 50 | 1967 |
| Recycle Way over Ashuelot River | Poor | 131.9 ft | 25 | 1947 |
| Bridge Street over Connecticut River | Poor | 230.0 ft | 0 | 1930 |
| Nh 12 Nh101 over Ashuelot River Ped Trail | Fair | 124.0 ft | 22,780 | 1961 |
| West Street over Ashuelot River | Fair | 98.1 ft | 16,605 | 1952 |
| Nh 12 over Troy Brook | Fair | 26.9 ft | 13,156 | 1970 |
| Us202 Nh124 over Contoocook River | Fair | 38.1 ft | 12,068 | 1938 |
| Winchester Street over Ashuelot River | Fair | 125.0 ft | 11,181 | 1965 |
| Nh 9 Nh 10 over Elm Street | Fair | 78.1 ft | 10,814 | 1978 |
| Nh 12 over Maple Avenue | Fair | 146.0 ft | 10,675 | 1966 |
| Nh 12 over S Branch Ashuelot River | Fair | 66.9 ft | 8,976 | 1962 |
| Nh 12 over S Br Ashuelot River | Fair | 66.9 ft | 8,976 | 1962 |
| Nh 12 over S Br Ashuelot River | Fair | 66.9 ft | 8,976 | 1962 |
| Nh 12 over S Branch Ashuelot River | Fair | 34.1 ft | 8,976 | 1983 |
| Nh 10 over Mirey Brook | Fair | 79.1 ft | 8,914 | 1940 |
| Nh123 over Connecticut River | Fair | 467.8 ft | 8,425 | 1910 |
| Us202 over Mountain Brook | Fair | 104.0 ft | 8,225 | 1939 |
| Nh 12 over Nhrr(abd) | Fair | 87.9 ft | 8,130 | 1948 |
| Nh 12 over Mill Pond | Fair | 56.1 ft | 8,066 | 1928 |
| Us202 over Contoocook River | Fair | 60.0 ft | 7,405 | 1937 |
| Us202 over Mill Tail Race | Fair | 24.9 ft | 7,405 | 1937 |
| Nh 9 over Island Pond Outlet | Fair | 20.0 ft | 7,040 | 1964 |
| Nh101 over Mud Pond | Fair | 23.0 ft | 6,847 | 1966 |
| Nh 12 over Mill Brook | Fair | 29.9 ft | 6,478 | 1948 |
| Nh 12 over Mill Brook | Fair | 37.1 ft | 6,478 | 1928 |
| Nh 12 over Mill Brook | Fair | 22.0 ft | 6,478 | 1941 |
| Nh 12 over White Bridge Brook | Fair | 25.9 ft | 6,478 | 1941 |
| Nh 9 over Old Nh 9 Granite Lk Out | Fair | 289.4 ft | 6,118 | 1994 |
| Nh 12 Nh123 over Cold River | Fair | 228.3 ft | 6,073 | 1960 |
| Island Street over Ashuelot River | Fair | 89.9 ft | 6,042 | 1979 |
| Nh 12 over Tarbell Brook | Fair | 21.0 ft | 4,755 | 1958 |
| Nh119 over Converseville Brook | Fair | 20.0 ft | 4,372 | 1966 |
| Marlboro Street over Beaver Brook | Fair | 24.9 ft | 4,228 | 1978 |
| Nh 10 over Ashuelot River | Fair | 99.1 ft | 3,308 | 1935 |
| Nh119 over Canal | Fair | 23.0 ft | 3,101 | 1953 |
| Nh123 over Cold River | Fair | 59.1 ft | 2,804 | 1919 |
| Nh 10 over Ashuelot River | Fair | 62.0 ft | 2,456 | 1949 |
| Nh 10 Nh123 over Ashuelot River | Fair | 80.1 ft | 2,274 | 1949 |
| Elm Street over Ashuelot River | Fair | 126.0 ft | 2,195 | 1921 |
| Main Street over Ashuelot River | Fair | 151.9 ft | 2,191 | 1832 |
| Nh 63 over Ashuelot River | Fair | 140.1 ft | 1,937 | 1940 |
| Nh 63 over Kilburn Brook | Fair | 24.0 ft | 1,643 | 1936 |
| Nh 63 over Partridge Brook | Fair | 24.0 ft | 1,618 | 1969 |
| Roxbury Road over Otter Brook | Fair | 53.1 ft | 1,586 | 1950 |
| Denman Thompson Hw over Ashuelot River | Fair | 195.9 ft | 1,336 | 1976 |
| Nh 12a Nh123 over Cold River | Fair | 90.2 ft | 1,265 | 2009 |
| High Street over Nhrr(abd) | Fair | 37.1 ft | 1,255 | 1953 |
| Nh123 over Bailey Brook | Fair | 26.9 ft | 1,215 | 1939 |
| Surry RD over Ashuelot River | Fair | 46.9 ft | 1,167 | 1863 |
| South Road over S Br Ashuelot River | Fair | 54.1 ft | 1,100 | 1936 |
| Nh 63 over Mill Brook | Fair | 29.9 ft | 1,044 | 1930 |
| Branch Road over Minnewawa River | Fair | 55.1 ft | 1,019 | 1938 |
| East Surry Road over Ashuelot River | Fair | 57.1 ft | 829 | 1940 |
| Westport Road over Ashuelot River | Fair | 143.0 ft | 792 | 1862 |
| Centre ST over Otter Brook | Fair | 85.0 ft | 664 | 1981 |
| Gilmore Pond Road over Mountain Brook | Fair | 29.9 ft | 628 | 1920 |
| Coombs Bridge RD over Ashuelot River | Fair | 120.1 ft | 618 | 1837 |
| Troy Road over Shaker Brook | Fair | 50.9 ft | 609 | 1939 |
| Marlboro Road over Farrar Pond | Fair | 23.0 ft | 609 | 1933 |
| Water Street over Minnewawa Brook | Fair | 44.9 ft | 574 | 1930 |
| Carlton Road over South Brook | Fair | 68.9 ft | 500 | 1869 |
| Old Roxbury Road over Minnewawa Brook | Fair | 38.1 ft | 491 | 1932 |
| Old Nh 9 over Granite Lake Outlet | Fair | 25.9 ft | 490 | 1932 |
| Hancock Road over Nubanusit Brook | Fair | 24.9 ft | 489 | 1925 |
| Cross Road over Catsbane Brook | Fair | 23.0 ft | 421 | 1963 |
| Goldmine Road over Stanley Brook | Fair | 28.9 ft | 376 | 1985 |
| Wentworth Road over Great Brook | Fair | 22.0 ft | 342 | 1950 |
| Mine Road over Pouchaug Brook | Fair | 23.0 ft | 327 | 1994 |
| Depot Road over Ashuelot River | Fair | 265.1 ft | 317 | 1978 |
| Partridge Brook RD over Partridge Brook | Fair | 44.9 ft | 259 | 1930 |
| Craig Road over Stanley Brook | Fair | 26.9 ft | 235 | 1935 |
| Terrace Street over Minnewawa Brook | Fair | 43.0 ft | 178 | 1922 |
| Hammond Hollow RD over Ashuelot River | Fair | 97.1 ft | 137 | 1981 |
| South River Road over Great Brook | Fair | 35.1 ft | 121 | 1950 |
| South River Road over Houghton Brook | Fair | 21.0 ft | 117 | 1980 |
| Knowlton Street over Minnewawa Brook | Fair | 44.0 ft | 110 | 1943 |
| Simondsville Road over Ashuelot River | Fair | 45.9 ft | 102 | 1969 |
| Old Troy Road over Brook | Fair | 24.9 ft | 96 | 1940 |
| Hancock Road over Nubanusit Brook | Fair | 24.9 ft | 96 | 1925 |
| Nutting Road over Contoocook River | Fair | 30.8 ft | 96 | 1905 |
| Old Roxbury Road over Minnewawa Brook | Fair | 44.0 ft | 96 | 1952 |
| Old Roxbury Road over Minnewawa Brook | Fair | 63.0 ft | 96 | 1930 |
| North Shore Road over Granite Lake Inlet | Fair | 27.9 ft | 96 | 1920 |
| Joslin Road over Merriam Brook | Fair | 24.0 ft | 96 | 2012 |
| Mill Street over Mill Tail Race | Fair | 26.9 ft | 96 | 1936 |
| Makinen Road over Mill Brook | Fair | 51.8 ft | 96 | 2015 |
| Pine Woods Road over Mirey Brook | Fair | 28.9 ft | 96 | 1920 |
| Hatt Road over Partridge Brook | Fair | 24.0 ft | 76 | 1932 |
| Hadley Road over Contoocook River | Fair | 57.1 ft | 68 | 1939 |
| Mill Road over Rice Brook | Fair | 25.9 ft | 60 | 1983 |
| Chamberlain Road over Contoocook River | Fair | 27.9 ft | 50 | 1950 |
| Howard Road over Ashuelot River | Fair | 76.1 ft | 24 | 1945 |
| Bessie Pierce Road over Partridge Brook | Fair | 44.0 ft | 10 | 1936 |
| Nh 9 over Ash Swamp Brook | Good | 107.9 ft | 22,417 | 2006 |
| Nh 12 over Beaver Brook | Good | 27.9 ft | 17,831 | 2019 |
| Nh 12 over Branch River | Good | 117.1 ft | 17,831 | 1994 |
| Nh 9 Nh 10 Nh 12 over West Street | Good | 88.9 ft | 16,222 | 1967 |
| Nh 9 Nh 10 over Ashuelot River | Good | 246.1 ft | 12,017 | 1978 |
| Nh 9 over Connecticut River | Good | 446.9 ft | 11,517 | 2003 |
| Nh 9 over Catsbane Brook | Good | 77.1 ft | 11,100 | 1937 |
| Nh101 over Minnewawa Brook | Good | 53.1 ft | 11,056 | 1967 |
| Church Street over Connecticut River Necrr | Good | 634.8 ft | 9,354 | 1983 |
| Nh 12 over S Branch Ashuelot River | Good | 34.1 ft | 8,976 | 1983 |
| Nh 12 over S Branch Ashuelot River | Good | 36.1 ft | 8,976 | 1941 |
| Court ST over Nh 9 Nh 10 | Good | 107.9 ft | 8,910 | 1977 |
| Court Street over Ashuelot River | Good | 126.0 ft | 8,754 | 2010 |
| Nh119 over Connecticut River Necrr | Good | 1905.5 ft | 8,409 | 2024 |
| Nh 12 over Nhrr(abd) | Good | 47.9 ft | 8,251 | 1960 |
| Nh 9 over Otter Brook | Good | 163.4 ft | 7,539 | 2020 |
| Nh101 over Minnewawa Brook | Good | 58.1 ft | 7,333 | 1986 |
| Nh 9 over Conrad Road | Good | 63.0 ft | 7,294 | 1994 |
| Nh 10 over Ashuelot River | Good | 228.7 ft | 7,282 | 2014 |
| Nh 9 over N Br Contoocook River | Good | 72.5 ft | 7,112 | 1999 |
| Nh101 over Goldmine Road | Good | 47.9 ft | 6,847 | 1967 |
| Nh101 over Howe Reservoir | Good | 23.0 ft | 6,178 | 1980 |
| Nh 9 over Boys Camp Road | Good | 45.9 ft | 6,118 | 1994 |
| Nh 9 Nh 10 over Nh 12 | Good | 157.2 ft | 5,162 | 1978 |
| Roxbury Street over Beaver Brook | Good | 24.6 ft | 4,580 | 1950 |
| Sawyers Crossing over Ashuelot River | Good | 159.1 ft | 4,250 | 1859 |
| Nh124 over Minnewawa Brook | Good | 34.1 ft | 4,006 | 1967 |
| Nh 32 over S Branch Ashuelot River | Good | 129.3 ft | 3,707 | 2002 |
| Nh119 over Ashuelot River | Good | 193.9 ft | 3,648 | 1962 |
| Arch Street over Black Brook | Good | 27.9 ft | 3,131 | 1992 |
| Nh 32 over Martin Brook | Good | 31.5 ft | 2,956 | 1929 |
| Nh123 over Cold River | Good | 107.9 ft | 2,804 | 2008 |
| Water Street over Beaver Brook | Good | 20.0 ft | 2,595 | 2001 |
| West Street over Ash Swamp Brook | Good | 24.0 ft | 2,304 | 1990 |
| Nh 10 over Abbott Brook | Good | 22.0 ft | 1,869 | 1964 |
| Nutting Road over Contoocook River | Good | 42.0 ft | 1,804 | 1905 |
| Nh137 over Nubanusit Brook | Good | 24.0 ft | 1,777 | 1970 |
| Nh 32 over Martin Brook | Good | 27.9 ft | 1,641 | 1970 |
| Nh123a over Warren Brook | Good | 77.4 ft | 1,161 | 2020 |
| Baker Street over Beaver Brook | Good | 32.2 ft | 1,158 | 1978 |
| Nh123 over Warren Brook | Good | 51.8 ft | 1,124 | 2008 |
| Nh123 over Warren Brook | Good | 31.8 ft | 1,124 | 2012 |
| Nh123 over Warren Brook | Good | 23.0 ft | 1,124 | 2006 |
| South Village Road over Mill Brook | Good | 26.6 ft | 1,093 | 2015 |
| Chesham Road over Minnewawa Brook | Good | 22.0 ft | 1,014 | 1953 |
| Wellington Road over Converseville Brook | Good | 38.1 ft | 840 | 2021 |
| East Surry Road over Sturtevant Brook | Good | 20.3 ft | 829 | 2012 |
| Old Richmond Road over S Branch Ashuelot River | Good | 43.0 ft | 823 | 1999 |
| Gunn Mountain Road over Ashuelot River | Good | 173.2 ft | 821 | 1864 |
| Bowman Drive over Black Brook | Good | 34.1 ft | 510 | 1997 |
| Canada Street over Minnewawa Brook | Good | 39.0 ft | 510 | 1955 |
| Hancock Road over Skatutakee Lake | Good | 39.0 ft | 489 | 1960 |
| Brook Street over Catsbane Brook | Good | 41.0 ft | 481 | 1950 |
| Cobble Hill Road over California Brook | Good | 44.9 ft | 425 | 2013 |
| North Street over Millers River | Good | 34.1 ft | 406 | 2003 |
| River Road over Ox Brook | Good | 24.0 ft | 367 | 1986 |
| Old Westport Road over Wheelock Brook | Good | 26.6 ft | 340 | 2011 |
| Fitch Road over Contoocook River | Good | 36.1 ft | 326 | 1970 |
| County Road over Great Brook | Good | 20.0 ft | 314 | 1968 |
| Mill Road over Great Brook | Good | 28.9 ft | 296 | 2010 |
| West Street over California Brook | Good | 35.4 ft | 266 | 2005 |
| Old Keene Road over Great Brook | Good | 33.1 ft | 242 | 2008 |
| Murdough Hill Road over Nh 9 | Good | 129.9 ft | 180 | 1994 |
| Old Nh 9 over Granite Lake Outlet | Good | 33.1 ft | 124 | 1932 |
| Old Concord Road over Granite Lake Outlet | Good | 33.1 ft | 124 | 1932 |
| Old Concord Road over Granite Lake Outlet | Good | 33.1 ft | 124 | 1932 |
| River Road North over Aldrich Brook | Good | 50.9 ft | 117 | 2014 |
| Griffin Hill Road over Warren Brook | Good | 35.4 ft | 96 | 1920 |
| Farr Road over Catsbane Brook | Good | 41.0 ft | 96 | 1955 |
| Charcoal Road over Charcoal Brook | Good | 73.2 ft | 96 | 2016 |
| Hadley Road over Contoocook River | Good | 86.0 ft | 96 | 2003 |
| Tully Brook Road over Tully Brook | Good | 53.5 ft | 96 | 2024 |
| Fay Martin Road over Tully Brook | Good | 26.9 ft | 96 | 2013 |
| Kings Highway over Kennedy Brook | Good | 29.5 ft | 96 | 2021 |
| Rabbit Hollow Road over Perry Brook | Good | 20.0 ft | 96 | 2020 |
| Warmac Road over Perry Brook | Good | 32.8 ft | 96 | 2013 |
| Poocham Road over Ox Brook | Good | 24.0 ft | 96 | 1984 |
| Aldrich Road over Mill Brook | Good | 64.0 ft | 96 | 1996 |
| Old Mill Brook RD over Mill Brook | Good | 33.5 ft | 96 | 2005 |
| Broad Brook Road over Broad Brook | Good | 27.2 ft | 96 | 1900 |
| Verry Brook Road over Wheelock Brook | Good | 24.0 ft | 96 | 2007 |
| Surry Mt Access RD over Spillway Channel | Good | 232.0 ft | 25 | 1962 |