| I-89 NB over Plaza Connector Road | 2012 | 28,690 | Fair |
| I-89 Nh 10 over Brook Atv Trail | 1959 | 25,062 | Fair |
| I-89 Nh 10 NB over Truck Road Mascoma River | 1966 | 23,084 | Fair |
| I-89 NB over US 4 Nh 10 | 1966 | 22,727 | Good |
| I-89 NB over Connecticut River Necrr | 1966 | 22,288 | Poor |
| I-89 Nh 10 SB over US 4 | 1966 | 21,937 | Good |
| I-89 SB over Connecticut River Necrr | 1966 | 21,268 | Poor |
| I-89 SB over Truck Road Mascoma River | 1966 | 19,997 | Fair |
| I-89 SB over US 4 Nh 10 | 1966 | 19,997 | Fair |
| I-89 NB over Nh 12A | 2012 | 19,291 | Good |
| I-89 SB over Nh 12A | 2012 | 18,618 | Good |
| I-89 SB over Plaza Connector Road | 2012 | 18,618 | Good |
| I-89 Nh 10 SB over Hardy Hill Road | 1966 | 16,677 | Good |
| I-89 Nh 10 SB over Heater Road | 1966 | 16,677 | Fair |
| I-89 Nh 10 SB over Nhrr(abd) | 1966 | 16,677 | Good |
| I-89 SB over Mascoma R Riverside Dr | 1966 | 16,677 | Good |
| I-89 NB over Heater Road | 1966 | 16,261 | Fair |
| I-89 Nh 10 NB over Hardy Hill Road | 1966 | 16,261 | Good |
| I-89 Nh 10 NB over Nhrr(abd) | 1966 | 16,261 | Good |
| I-89 Nh 10 NB over Riverside Dr Mascoma Riv | 1966 | 16,261 | Good |
| I-89 Nh 10 NB over US 4 | 1966 | 16,261 | Good |
| US302 Nh 10 over I-93 | 1960 | 15,172 | Good |
| Nh 25 Nh 3A over Baker River | 1968 | 13,729 | Good |
| US 4 Nh 10 over Mascoma River CSX | 1945 | 13,685 | Good |
| Nh 12A over Mascoma River | 1977 | 12,844 | Fair |
| US 4 Mechanic St over Mascoma River | 1977 | 12,803 | Poor |
| Nh 10A Wheelock St over Connecticut River | 1998 | 12,683 | Fair |
| US 4 over Stony Brook | 1966 | 12,439 | Fair |
| I-89 Nh 10 SB over Smith Pond Road | 1959 | 12,130 | Fair |
| I-89 Nh 10 NB over Smith Pond Road | 1959 | 11,864 | Fair |
| I-93 Parkway over Ped Underpass | 1985 | 11,599 | Good |
| I-93 Parkway over Tram Access Road | 1986 | 11,599 | Fair |
| I-93 Parkway over Walker Brook | 1985 | 11,599 | Fair |
| US 4 over Connecticut River | 2015 | 11,594 | Good |
| I-93 SB over I-93 NB Ramps | 1964 | 11,571 | Fair |
| I-93 SB over NH175A | 1963 | 11,571 | Fair |
| I-93 SB over Nhrr | 1964 | 11,571 | Good |
| I-93 SB over Pemigewasset River | 1964 | 11,571 | Good |
| NH120 over I-89 | 1966 | 11,531 | Good |
| I-93 NB over I-93 NB Ramps | 1964 | 11,461 | Fair |
| I-93 NB over Nhrr | 1964 | 11,461 | Good |
| I-93 NB over Pemigewasset River | 1964 | 11,461 | Fair |
| I-93 SB over Collins St Squam River | 1963 | 10,878 | Good |
| I-93 SB over Nhrr | 1963 | 10,878 | Good |
| I-93 NB over Collins St Squam River | 1963 | 10,875 | Good |
| I-93 NB over Nhrr | 1963 | 10,875 | Good |
| I-93 NB over NH175A | 1963 | 10,870 | Fair |
| I-93 NB over US 3 Nh 25 | 1963 | 10,870 | Good |
| US 4 over Huppe Brook | 1945 | 10,801 | Fair |
| US 4 over Rec Trail Mascoma River | 2015 | 10,801 | Good |
| I-93 SB over US 3 Nh 25 | 1963 | 10,769 | Good |
| I-93 NB over Blair Road | 1963 | 10,585 | Good |
| I-93 NB over Bog Brook | 1963 | 10,585 | Good |
| I-93 NB over US 3 | 1964 | 10,585 | Good |
| I-93 SB over NH112 Nhrr | 1972 | 10,539 | Fair |
| I-93 SB over Blair Road | 1967 | 10,437 | Good |
| I-93 SB over Bog Brook | 1968 | 10,437 | Good |
| I-93 SB over US 3 | 1964 | 10,437 | Good |
| I-93 Parkway over Bike Path Lafayette Bk | 1987 | 10,220 | Fair |
| I-93 SB over Mad River | 1968 | 10,052 | Good |
| I-93 SB over Nhrr | 1968 | 10,052 | Good |
| I-93 SB over US 3 Pemigewasset River | 1969 | 10,052 | Fair |
| NH120 over Mink Brook | 1969 | 10,035 | Fair |
| I-93 NB over Mad River | 1968 | 10,012 | Good |
| I-93 NB over Nhrr | 1968 | 10,012 | Good |
| I-93 NB over US 3 Pemigewasset River | 1969 | 10,012 | Fair |
| NH104 over Pemigewasset River | 1987 | 9,297 | Fair |
| Nh 12A over Nhrr | 1949 | 9,117 | Poor |
| I-89 SB Off Ramp over Plaza Connector Road | 2012 | 8,958 | Good |
| US 4 Nh 10 over Mascoma River | 1954 | 8,395 | Good |
| I-93 NB over US 3 | 1968 | 8,047 | Fair |
| US302 Nh 10 Nh 18 over Ammonoosuc River | 1950 | 7,962 | Good |
| I-93 SB over US 3 | 1968 | 7,818 | Fair |
| NH175A over Pemigewasset River | 2006 | 7,661 | Good |
| US 4 over Crystal Lake Brook | 1941 | 7,633 | Good |
| US 4 over Mascoma River | 1993 | 7,633 | Good |
| US 4 over Mascoma River | 1965 | 7,633 | Good |
| I-93 SB over Nh 49 | 1968 | 7,613 | Good |
| I-93 SB over Nhrr | 1970 | 7,613 | Good |
| I-93 SB over Owl Street | 1968 | 7,613 | Fair |
| I-93 SB over Pemigewasset River | 1969 | 7,613 | Good |
| I-93 NB over Nh 49 | 1968 | 7,498 | Good |
| I-93 NB over Nhrr | 1970 | 7,498 | Good |
| I-93 NB over Owl Street | 1968 | 7,498 | Good |
| I-93 NB over Pemigewasset River | 1969 | 7,498 | Good |
| I-93 SB over US 3 Nhrr | 1970 | 7,483 | Fair |
| US302 over Connecticut River | 1928 | 7,367 | Fair |
| I-93 NB over US 3 Nhrr | 1970 | 7,345 | Good |
| I-93 SB over E Br Pemigewasset River | 1972 | 7,285 | Good |
| I-93 SB over Hubbard Brook | 1970 | 7,263 | Fair |
| I-93 SB over Merrill Access Rd | 1969 | 7,263 | Good |
| I-93 SB over Mirror Lake Road | 1970 | 7,263 | Good |
| I-93 SB over Eastman Brook | 1972 | 7,166 | Good |
| I-93 SB over NH175 | 1972 | 7,166 | Fair |
| I-93 SB over Pemigewasset River | 1970 | 7,166 | Fair |
| I-93 SB over Tripoli Road | 1972 | 7,166 | Fair |
| I-93 NB over E Br Pemigewasset River | 1972 | 7,160 | Fair |
| I-93 NB over NH112 Nhrr | 1972 | 7,160 | Good |
| I-93 NB over Hubbard Brook | 1970 | 7,102 | Fair |
| I-93 NB over Merrill Access Rd | 1969 | 7,102 | Good |
| I-93 NB over Mirror Lake Road | 1970 | 7,102 | Good |
| I-93 NB over Eastman Brook | 1972 | 7,017 | Good |
| I-93 NB over NH175 | 1972 | 7,017 | Fair |
| I-93 NB over Pemigewasset River | 1970 | 7,017 | Fair |
| I-93 NB over Tripoli Road | 1972 | 7,017 | Fair |
| US 4 over Mascoma River | 2004 | 6,887 | Good |
| Nh 25 over Groton Hollow Brook | 1965 | 6,717 | Good |
| US 3 Nh 25 over Owl Brook | 1958 | 6,361 | Good |
| NH112 Kancamagus over Pemigewasset River | 1933 | 6,210 | Poor |
| Nh 10 over Mink Brook | 2006 | 6,198 | Good |
| NH104 Pleasant St over Newfound River | 1996 | 6,148 | Good |
| US 4 over Indian River | 1930 | 6,096 | Fair |
| US 4 over Indian River | 1978 | 6,096 | Fair |
| I-93 NB over Hanson Brook | 1985 | 5,902 | Good |
| I-93 Parkway NB over Trail Pemigewasset River | 1985 | 5,809 | Fair |
| I-93 SB over Harvard Brook | 1985 | 5,796 | Good |
| I-93 Parkway SB over Trail Pemigewasset River | 1986 | 5,790 | Fair |
| I-93 SB over Clarks RR Pemigewasset R | 1973 | 5,785 | Good |
| I-93 SB over US 3 | 1973 | 5,785 | Good |
| Nh 3A over Newfound River | 1999 | 5,690 | Good |
| Nh 3A over Newfound River | 1924 | 5,690 | Poor |
| I-93 SB over Cottage Street | 1959 | 5,513 | Fair |
| I-93 NB over Clarks RR Pemigewasset R | 1981 | 5,456 | Good |
| I-93 NB over Connector Road | 1973 | 5,456 | Good |
| I-93 NB over US 3 | 1985 | 5,456 | Good |
| I-93 NB over Hanson Brook | 1984 | 5,410 | Good |
| I-93 Parkway NB over I-93(RAMP 3s-f) | 1986 | 5,410 | Good |
| NH112 Kancamagus over Ledge Brook | 1953 | 5,352 | Good |
| NH112 over Pine Bend Brook | 1948 | 5,352 | Good |
| NH112 over Sabbaday Brook | 1953 | 5,352 | Fair |
| NH120 Park Lot Ped over Nhrr(abd) | 1969 | 5,317 | Poor |
| NH120 over Mascoma River | 1969 | 5,317 | Fair |
| I-93 over Black Brook | 1959 | 5,250 | Fair |
| I-93 Parkway SB over I-93(RAMP 3s-f) | 1986 | 5,171 | Good |
| I-93 SB over Hanson Brook | 1984 | 5,171 | Good |
| I-93 SB over Harvard Brook | 1984 | 5,171 | Good |
| I-93 NB over Skookumchuck Brook | 1987 | 5,128 | Fair |
| I-93 SB over Connector Road | 1973 | 5,102 | Good |
| I-93 SB over Skookumchuck Brook | 1987 | 5,092 | Good |
| I-93 NB over Cottage Street | 1959 | 4,927 | Fair |
| I-93 NB over US302 Nh 10 Nh 18 NH116 | 1959 | 4,927 | Fair |
| NH135 over I-93 | 1981 | 4,909 | Fair |
| US 3 over Gale River | 1990 | 4,876 | Good |
| Nh 25 over Halls Brook | 1964 | 4,826 | Fair |
| US302 Nh 10 over Ammonoosuc River | 1980 | 4,777 | Fair |
| US302 Nh 10 over Nhrr(abd) | 1979 | 4,777 | Fair |
| I-89 Nh 10 SB Ramp over Mascoma River Road-gated | 1966 | 4,655 | Fair |
| I-93 SB over Ammonoosuc River | 1960 | 4,499 | Fair |
| I-93 SB over Eustis Hill Road | 1959 | 4,499 | Good |
| I-93 SB over Industrial Pk Nhrr(abd) | 1959 | 4,499 | Fair |
| I-93 NB over Nh 18 NH135 | 1983 | 4,453 | Good |
| US 3 Nh 25 over Baker River | 1930 | 4,355 | Fair |
| US 3 over US 3A Nh 25 WB | 1965 | 4,355 | Fair |
| I-93 SB over US302 Nh 10 Nh 18 NH116 | 1959 | 4,291 | Fair |
| I-93 NB over Ammonoosuc River | 1960 | 4,235 | Fair |
| I-93 NB over Eustis Hill Road | 1959 | 4,235 | Good |
| I-93 NB over Industrial Pk Nhrr(abd) | 1959 | 4,235 | Fair |
| US302 Nh 10 over Nhrr(abd) | 1990 | 4,216 | Good |
| Nh 25 NH118 over S Branch Baker River | 1978 | 3,993 | Fair |
| I-93 SB over Nh 18 | 1986 | 3,926 | Good |
| Nh 10 over Clark Brook | 1940 | 3,734 | Good |
| Nh 25 NH118 over Baker River | 1962 | 3,727 | Good |
| Nh 25 NH118 over Hurricane Brook | 1962 | 3,727 | Good |
| Nh 25 NH118 over Patch Brook | 1962 | 3,727 | Good |
| NH116 over Clark Brook | 1961 | 3,712 | Fair |
| I-93 NB over Nh 18 | 1986 | 3,707 | Good |
| Nh 25A over Connecticut River | 1937 | 3,625 | Fair |
| I-93 NB over Connecticut River | 1976 | 3,621 | Good |
| I-93 NB over NH135 | 1982 | 3,621 | Good |
| Nh 12A over Blood Brook | 1954 | 3,586 | Fair |
| US302 Nh 10 over Wild Ammonoosuc River | 1989 | 3,551 | Good |
| I-93 SB over Connecticut River | 1981 | 3,544 | Good |
| I-93 SB over NH135 | 1982 | 3,544 | Good |
| I-93 SB over Nh 18 NH135 | 1983 | 3,544 | Fair |
| I-93 SB on Ramp over Nhrr | 1964 | 3,491 | Good |
| US 3 Nh 25 over Squam River | 1976 | 3,490 | Good |
| NH132 over Squam River | 1905 | 3,488 | Fair |
| US302 Nh 18 NH116 over I-93 | 1959 | 3,454 | Fair |
| Nh 25 NH118 over Baker River | 1960 | 3,418 | Good |
| Nh 25 NH118 over Baker River | 1937 | 3,418 | Fair |
| West Shore Road over Newfound River | 1944 | 3,318 | Fair |
| Connector Road over Pemigewasset River | 1937 | 3,301 | Fair |
| US302 Nh 10 over Ammonoosuc River | 1983 | 3,265 | Good |
| NH112 Kancamagus over E Br Pemigewasset River | 1938 | 3,107 | Fair |
| NH112 over Hancock Brook | 1938 | 3,107 | Fair |
| NH112 over Hancock Brook | 1942 | 3,107 | Fair |
| US302 Nh 10 over Mill Brook | 1930 | 3,081 | Fair |
| Nh 10 over Grant Brook | 1958 | 2,894 | Good |
| I-93 NB over Nh 18 NH116 | 1972 | 2,890 | Fair |
| Nh 3A over Newfound River | 1949 | 2,878 | Poor |
| Nh 49 over Mad River | 1979 | 2,828 | Poor |
| Nh 49 over Smarts Brook | 1977 | 2,828 | Good |
| US 3 over Lost River | 1931 | 2,784 | Poor |
| I-93 NB over Indian Creek | 1972 | 2,724 | Good |
| NH120 over Great Brook | 1935 | 2,671 | Fair |
| NH120 over Great Brook | 1944 | 2,671 | Good |
| US 3 Nh 25 over Pemigewasset River Nhrr | 1937 | 2,666 | Fair |
| NH120 over Great Brook | 1930 | 2,653 | Fair |
| I-93 SB on Ramp over I-93 | 1959 | 2,646 | Fair |
| I-93 SB over Coal Hill Rd Gale River | 1959 | 2,638 | Fair |
| US 4 over Indian River | 1942 | 2,636 | Fair |
| I-93 SB over Indian Creek | 1959 | 2,632 | Fair |
| I-93 SB over Nh 18 NH116 | 1959 | 2,632 | Fair |
| I-93 NB over Coal Hill Rd Gale River | 1973 | 2,612 | Fair |
| NH112 over Gordon Pond Brook | 1940 | 2,448 | Fair |
| I-93 SB over NH141 | 1959 | 2,447 | Fair |
| I-93 NB over NH141 | 1972 | 2,437 | Good |
| Nh 25 over Connecticut River | 1929 | 2,403 | Fair |
| I-93 SB over NH142 | 1959 | 2,397 | Good |
| I-93 SB over Wallace Hill Road | 1959 | 2,397 | Good |
| Bank Street Ext. over Mascoma River | 1985 | 2,381 | Good |
| Nh 10 over Oliverian Brook | 1937 | 2,334 | Fair |
| US 3 over Harvard Brook | 1930 | 2,333 | Good |
| Nh 10 over Hewes Brook | 1966 | 2,327 | Good |
| I-93 NB over NH142 | 1973 | 2,316 | Good |
| I-93 NB over Wallace Hill Road | 1973 | 2,316 | Good |
| NH116 over Gale River | 1992 | 2,264 | Good |
| Industrial Park Rd over Ammonoosuc River | 1995 | 2,234 | Good |
| Eastman Hill Road over I-89 Nh 10 | 1961 | 2,191 | Fair |
| Nh 3A over Smith River | 1940 | 2,181 | Fair |
| Great Hollow Road over Mink Brook | 1901 | 2,168 | Fair |
| East Thetford Road over Connecticut River | 1937 | 2,160 | Poor |
| Nh 25 NH118 over Baker River | 2006 | 2,141 | Fair |
| Newbury Road over Connecticut River | 1970 | 2,136 | Fair |
| Smith Bridge Road over Baker River | 2001 | 2,132 | Good |
| School Street over Ammonoosuc River | 1960 | 2,087 | Poor |
| Nh 49 over Drakes Brook | 1967 | 2,074 | Good |
| Nh 49 over High Brook | 1967 | 2,074 | Good |
| Redington Street over Ammonoosuc River | 2011 | 2,061 | Good |
| NH175 over Mad River | 1927 | 2,020 | Fair |
| NH175 over Winter Brook | 1974 | 2,020 | Fair |
| Shaker Hill Road over Mascoma River | 2003 | 1,959 | Good |
| Nh 49 over Pemigewasset River | 1928 | 1,917 | Poor |
| Nh 10 over Trout Brook | 1969 | 1,862 | Fair |
| US 4 over Nhrr(abd) | 1941 | 1,858 | Good |
| US 4 over Tewksbury Pond Outlet | 1928 | 1,858 | Fair |
| US 4 over Tewksbury Pond Outlet | 2000 | 1,858 | Good |
| Riverside Drive over Mascoma River | 1991 | 1,736 | Fair |
| Riverside Drive over Stony Brook | 1997 | 1,736 | Good |
| NH118 over Baker River | 1947 | 1,732 | Fair |
| NH118 over Berry Brook | 1950 | 1,732 | Good |
| NH118 over Blodgett Brook | 1960 | 1,732 | Fair |
| NH117 over Gale River | 1974 | 1,727 | Good |
| US 4 over Mill Brook | 1948 | 1,707 | Fair |
| NH112 Lost Riv Rd over Black Brook | 2004 | 1,677 | Good |
| NH112 Lost Riv Rd over Clay Brook | 1932 | 1,677 | Fair |
| NH112 Lost Riv Rd over Lost River | 1957 | 1,677 | Fair |
| NH112 Lost Riv Rd over Wild Ammonoosuc River | 1995 | 1,677 | Good |
| Main Street over Baker River | 1998 | 1,635 | Good |
| NH175 over Mill Brook | 1935 | 1,610 | Fair |
| Blair Road over Pemigewasset River | 1869 | 1,584 | Fair |
| Loon Mountain Road over E Br Pemigewasset River | 2016 | 1,555 | Good |
| Nh 18 over Connecticut River | 1934 | 1,508 | Poor |
| NH118 over Indian River | 1948 | 1,436 | Poor |
| NH118 over Indian River | 1950 | 1,436 | Fair |
| NH135 over Ammonoosuc River | 1998 | 1,409 | Fair |
| Slayton Hill Road over Mascoma River | 1972 | 1,392 | Fair |
| Bristol Hill Road over Newfound River | 1982 | 1,382 | Fair |
| Nh 10 over Jacobs Brook | 1938 | 1,375 | Fair |
| Main Street over Mascoma Lake | 2012 | 1,358 | Good |
| Main Street over Mascoma River | 1954 | 1,358 | Good |
| Main Street over Mascoma River | 2003 | 1,358 | Good |
| West Shore Road over Fowler River | 1931 | 1,300 | Fair |
| US 3 over Bagley Brook | 1933 | 1,291 | Fair |
| US 3 over Hubbard Brook | 1971 | 1,291 | Good |
| Mascoma Street over I-89 Nh 10 | 1966 | 1,275 | Good |
| Nh 10 over Bean Brook | 2000 | 1,247 | Good |
| Nh 10 over Eastman Brook | 1952 | 1,247 | Fair |
| US 3 over Bog Brook | 1929 | 1,193 | Poor |
| Hanover Center Rd over Brook | 1940 | 1,167 | Fair |
| Hanover Center Rd over Monahan Brook | 1929 | 1,167 | Good |
| Lyman Road over Mill Brook | 1928 | 1,167 | Good |
| Millbrook Road over Mill Brook | 1928 | 1,167 | Good |
| NH116 over Whitcher Brook | 2003 | 1,167 | Good |
| NH142 over Ammonoosuc River | 1927 | 1,167 | Poor |
| Nh 18 NH116 over Indian Creek | 2017 | 1,167 | Good |
| North Shore Road over Cockermouth River | 1930 | 1,167 | Fair |
| North Shore Road over Georges Brook | 1900 | 1,167 | Good |
| Pearl Lake Road over Pearl Lake Brook | 1928 | 1,167 | Fair |
| Dorchester Road over Grant Brook | 1940 | 1,132 | Fair |
| Dorchester Road over Grant Brook | 1952 | 1,132 | Poor |
| Nh 25A over Jacobs Brook | 1925 | 1,116 | Fair |
| Trues Brook Road over Bloods Brook | 2008 | 1,089 | Good |
| Trues Brook Road over Bloods Brook | 1952 | 1,089 | Poor |
| Orange Road over Indian River | 1946 | 1,088 | Good |
| NH112 over Wild Ammonoosuc River | 1932 | 1,082 | Fair |
| Nh 25 over North Branch River | 1928 | 1,072 | Fair |
| Nh 25 over Oliverian Brook | 1960 | 1,072 | Poor |
| Nh 25 over Oliverian Brook | 1999 | 1,072 | Good |
| US 3 over West Branch Brook | 1927 | 1,054 | Fair |
| NH175 over Beebe River | 1934 | 1,051 | Fair |
| Poverty Lane over I-89 | 1966 | 1,004 | Fair |
| Barnet Road over Connecticut River | 1937 | 992 | Fair |
| Ellsworth Hill Rd over Connor Brook | 1934 | 961 | Fair |
| River Road over Brook | 1951 | 943 | Fair |
| Lockhaven Road over Crystal Lake Outlet | 1982 | 942 | Good |
| Quincy Road over Stinson Brook | 1937 | 938 | Good |
| NH116 over Wild Ammonoosuc River | 1927 | 882 | Fair |
| NH117 over Salmon Hole Brook | 1969 | 882 | Good |
| Beacon Street over Ammonoosuc River | 2000 | 869 | Good |
| Stinson Lake Road over Stinson Brook | 1948 | 857 | Good |
| Stinson Lake Road over Stinson Brook | 1955 | 857 | Fair |
| Stinson Lake Road over Stinson Brook | 1927 | 857 | Fair |
| Groton Road over Tannery Brook | 1984 | 838 | Good |
| NH116 over Ham Branch | 1933 | 836 | Fair |
| Goose Pond Road over Goose Pond Brook | 1991 | 829 | Good |
| Goose Pond Road over Goose Pond Brook | 2014 | 829 | Good |
| Nh 25A over Baker Pond Brook | 1929 | 826 | Poor |
| Nh 25A over Brackett Brook | 1929 | 826 | Poor |
| Fowler River Road over Bog Brook | 1927 | 823 | Good |
| Winter Street over Squam River | 1941 | 796 | Fair |
| Nh 25 over Oliverian Brook | 1999 | 776 | Good |
| Nh 25 over Oliverian Brook | 1975 | 776 | Good |
| Cross Road over Pemigewasset River | 1973 | 775 | Good |
| North Ashland Road over I-93 | 1963 | 728 | Good |
| Streeter Pond Road over Ammonoosuc River | 1980 | 728 | Fair |
| French Pond Road over Clark Brook | 1983 | 723 | Fair |
| Town Pound Road over Bog Brook | 2003 | 714 | Good |
| Lyman Road over Mill Brook | 1974 | 708 | Good |
| Canaan Street over Mascoma River | 1936 | 705 | Good |
| Central Street over Pemigewasset River | 2009 | 700 | Good |
| Nh 25C over Eastman Brook | 1965 | 693 | Good |
| NH175 over Pemigewasset River | 1976 | 682 | Good |
| NH175 over Pemigewasset River | 1976 | 682 | Good |
| NH175 over Pemigewasset River | 1976 | 682 | Fair |
| NH175 over Pemigewasset River | 1939 | 674 | Poor |
| Pillsbury Street over Mascoma River | 1930 | 663 | Good |
| Potato Road over Indian River | 1930 | 655 | Poor |
| Dorchester Road over Grant Brook | 1963 | 636 | Good |
| Daisy Hill Road over Great Brook | 1955 | 630 | Fair |
| Nh 18 over Gale River | 1930 | 629 | Fair |
| Prescott Hill Road over Smith River | 1997 | 617 | Good |
| Nh 18 over Lafayette Brook | 1932 | 593 | Good |
| Spring Street over Great Brook | 1953 | 591 | Good |
| River Street over Squam River | 1990 | 588 | Fair |
| Nh 18 over I-93 Parkway | 1986 | 587 | Good |
| Valley Road over Snows Brook | 1985 | 585 | Fair |
| Lyman Road over Mill Brook | 1926 | 573 | Good |
| I-93 NB Off Ramp over Pemigewasset R Clarks RR | 1973 | 554 | Good |
| Blackwater Road over Crystal Lake Brook | 1988 | 550 | Fair |
| Washburn Road over Patten Brook | 1952 | 534 | Good |
| Porter Road over Wild Ammonoosuc River | 1849 | 529 | Fair |
| Blackwater Road over Mascoma River | 1992 | 510 | Good |
| Reservoir Road over Camp Brook | 2021 | 510 | Good |
| River Street over Squam River | 1941 | 510 | Good |
| Schoolhouse Lane over Mink Brook | 1981 | 510 | Good |
| Streeter Pond Road over Indian Creek | 2024 | 484 | Good |
| NH118 over Lost River | 1941 | 469 | Fair |
| Bailey Road over Bog Brook | 1989 | 464 | Good |
| Nh 25C over Eastman Brook | 1949 | 451 | Fair |
| Nh 25C over Eastman Brook | 1936 | 451 | Good |
| Mcindoes Street over Connecticut River | 1930 | 444 | Fair |
| Reservoir Road over Clay Brook | 2007 | 442 | Good |
| Upper Mad River Rd over Mad River | 1978 | 441 | Fair |
| Lafayette Road over Ham Branch | 1920 | 436 | Poor |
| River Road over Fogg Brook | 1974 | 436 | Fair |
| Stinson Lake Road over Stinson Brook | 1936 | 418 | Good |
| Tripoli Road over Mad River | 1968 | 415 | Fair |
| Sand Hill Road over Baker River | 1928 | 410 | Poor |
| I-93(RAMP 3n-f) over US 3 | 1986 | 402 | Good |
| Grist Mill Hill Rd over Indian River | 1956 | 365 | Poor |
| NH116 over Ham Branch | 1932 | 360 | Fair |
| NH116 over Reel Brook | 1928 | 360 | Good |
| Hilltop Road over I-93 | 1985 | 354 | Good |
| River Road over Grant Brook | 1978 | 347 | Fair |
| Davis Road over Smith River | 2011 | 335 | Good |
| Yeaton Road over Spencer Brook | 1919 | 313 | Fair |
| Perch Pond Road over Beebe River | 1988 | 311 | Good |
| Washburn Road over Patten Brook | 1950 | 289 | Poor |
| River Road over Hewes Brook | 2020 | 288 | Good |
| Collins Street over Squam River | 1983 | 263 | Fair |
| Stinson Lake Road over Brown Brook | 1900 | 258 | Good |
| Stinson Lake Road over Sucker Brook | 1900 | 258 | Good |
| Dame Hill Road over Jacobs Brook | 1947 | 256 | Fair |
| Archertown Road over Jacobs Brook | 1930 | 244 | Poor |
| Dodge Road over Pettyboro Brook | 1972 | 243 | Fair |
| Archertown Road over Archertown Brook | 2014 | 237 | Good |
| Dow Avenue over Gale River | 1910 | 235 | Fair |
| Berry Road over Smith River | 2005 | 227 | Good |
| Thornton Gore Rd over Eastman Brook | 1988 | 222 | Good |
| Thornton Gore Rd over Johnson Brook | 1948 | 222 | Good |
| Eastside Road over Martins Brook | 1940 | 219 | Poor |
| Pettyboro Road over Pettyboro Brook | 1985 | 212 | Good |
| Lund Lane over Ore Hill Brook | 2003 | 187 | Good |
| Payne Road over Mascoma River | 1938 | 186 | Fair |
| Payne Road over Recreation Trail(rr Bed) | 1946 | 186 | Good |
| NH175 over Eastman Brook | 1973 | 183 | Good |
| New Hebron Road over Clay Brook | 2002 | 180 | Good |
| Prospect Street over Ammonoosuc River | 1928 | 178 | Fair |
| Mill Brook Road over Mill Brook | 1928 | 177 | Fair |
| Fowler River Road over Fowler River | 1930 | 173 | Fair |
| North Groton Road over Cockermouth River | 1930 | 173 | Good |
| North Groton Road over Small Brook | 1927 | 173 | Fair |
| Breezy Point Road over Baker River | 1930 | 165 | Fair |
| River Road over Salmon Hole Brook | 1920 | 161 | Fair |
| Mill Street over Ammonoosuc Rail Trail | 2018 | 156 | Good |
| River Road over Clay Brook | 1885 | 154 | Fair |
| West Branch Road over Mad River | 1950 | 147 | Fair |
| North Dorchester R over S Branch Baker River | 1949 | 144 | Fair |
| Turnpike Road over Mill Brook | 1985 | 143 | Good |
| Riddle Hill Road over Smith River | 1977 | 142 | Fair |
| Smith River Road over Smith River | 1937 | 130 | Fair |
| Studio Road over Baker River | 1976 | 125 | Fair |
| West Farm Road over I-93 | 1959 | 121 | Good |
| Tuttle Hill Road over Orange Brook | 1995 | 120 | Fair |
| Gale Chandler Road over Mill Brook | 1922 | 118 | Fair |
| Mill Brook Road over Mill Brook | 1928 | 113 | Fair |
| Great Brook Road over Great Brook | 1936 | 107 | Poor |
| Ellsworth Hill Rd over Pond Brook | 1930 | 105 | Fair |
| Riverdale Road over Newfound River | 1949 | 103 | Good |
| Bishop Road over Mill Brook | 1970 | 100 | Fair |
| Fdr 211 over E.br. Baker River | 1976 | 100 | Fair |
| Lafayette Camp Ent over Pemigewasset River | 1999 | 100 | Good |
| No Data Entered over Ammonoosuc River | 2006 | 100 | Fair |
| Fdr 22 over Trib. Hubbard Brook | 1966 | 99 | Fair |
| Fdr 53 over W.br Mad River | 1998 | 99 | Good |
| No Data Entered over Indigo Sale | 2008 | 99 | Fair |
| No Data Entered over Indigo Sale | 2015 | 99 | Fair |
| No Data Entered over Jackman Brook | 1993 | 99 | Fair |
| No Data Entered over Scarface Brook | 2011 | 99 | Good |
| No Data Entered over So. Br. Gale River | 2011 | 99 | Good |
| No Data Entered over Tunnel Stream Sale | 2006 | 99 | Fair |
| No Data Entered over Tunnel Stream Sale | 2006 | 99 | Fair |
| No Data Entered over Tunnel Stream Sale | 2015 | 99 | Fair |
| Ash Hill Road over Pettyboro Brook | 1984 | 96 | Fair |
| Barton Road over Eastman Brook | 2011 | 96 | Good |
| Bean Brook Road over Bean Brook | 1995 | 96 | Fair |
| Bean Brook Road over Bean Brook | 2009 | 96 | Fair |
| Bickford Hill Road over Ham Branch | 1973 | 96 | Fair |
| Bog Road over Patten Brook | 1950 | 96 | Fair |
| Boys Camp Road over Bicknell Brook | 1947 | 96 | Fair |
| Breezy Hill Road over Salmon Hole Brook | 1975 | 96 | Poor |
| Brook Road over Brock Brook | 1930 | 96 | Fair |
| Buffalo Road over Stevens Brook | 1947 | 96 | Good |
| Bumps Intervale over Beebe River | 1877 | 96 | Fair |
| Chase Road over Ore Hill Brook | 1950 | 96 | Fair |
| Clark Pond Road over Clark Brook | 2020 | 96 | Good |
| Clifford Brook Rd over Clifford Brook | 1983 | 96 | Fair |
| Cole Hill Road over Fowler River | 1930 | 96 | Poor |
| Covered Bridge Rd over Mill Brook | 2018 | 96 | Good |
| Crane Hill Road over Gale River | 1928 | 96 | Poor |
| Creamery Road over Jacobs Brook | 1950 | 96 | Fair |
| Cross Road over Rocky Branch | 2018 | 96 | Fair |
| Daniels Road over Oliverian Brook | 1978 | 96 | Fair |
| Delage Farm Road over Ham Branch | 2001 | 96 | Fair |
| Dufour Road over S Branch Baker River | 1981 | 96 | Good |
| Dwyer Road over Pond Outlet | 1930 | 96 | Fair |
| Eastern Corner Rd over Beebe River | 1920 | 96 | Fair |
| Evans Road over S Branch Baker River | 1937 | 96 | Good |
| Fowler River Road over Fowler River | 1954 | 96 | Good |
| Georgiana Falls Rd over Hanson Brook | 1984 | 96 | Good |
| Gove Road over Fowler River | 1965 | 96 | Fair |
| Grimes Hill Road over Indian Pond Brook | 2016 | 96 | Good |
| Hammond Hill Road over Woodman Brook | 1930 | 96 | Fair |
| Hearse House Road over S Branch Baker River | 1970 | 96 | Fair |
| High Bridge Road over Archertown Brook | 1940 | 96 | Poor |
| Jeffers Hill Road over Oliverian Brook | 1978 | 96 | Fair |
| King Road over Mink Brook | 1973 | 96 | Good |
| Kinsman Road over Smith Brook | 1983 | 96 | Good |
| Knowles Hill Road over Brock Brook | 1935 | 96 | Good |
| Lebrun Road over S Branch Baker River | 1930 | 96 | Fair |
| Lower Meadow Road over Mill Brook | 2013 | 96 | Good |
| Mill Brook Road over Mill Brook | 2019 | 96 | Good |
| Millbrook Road over Mill Brook | 2005 | 96 | Fair |
| Millbrook Road over Mill Brook | 1991 | 96 | Good |
| Moo Corners Rd over Owl Brook | 1930 | 96 | Fair |
| Morse Road over Sanborn Mill Brook | 2004 | 96 | Good |
| Mountain Meadows R over Ogontz Brook | 2017 | 96 | Good |
| Mousley Brook Road over Jacobs Brook | 2011 | 96 | Good |
| Nichols Hill Road over Pond Brook | 1940 | 96 | Fair |
| Oak Hill Road over Grafton Pond Outlet | 2023 | 96 | Good |
| Page Road over North Branch | 2016 | 96 | Good |
| Perch Pond Road over Ryan Brook | 1940 | 96 | Poor |
| Plains Road over Mill Brook | 1975 | 96 | Poor |
| Quinttown Road over Jacobs Brook | 2007 | 96 | Fair |
| River Road over Clay Brook | 1900 | 96 | Poor |
| River Road over Mascoma River | 2010 | 96 | Good |
| Rowentown Road over S Branch Baker River | 1995 | 96 | Good |
| Ruddsboro Road over Mink Brook | 1946 | 96 | Fair |
| Ruddsboro Road over Mink Brook | 1940 | 96 | Good |
| Ruddsboro Road over Mink Brook | 2004 | 96 | Good |
| Sargent Hill Road over Smith River | 2003 | 96 | Good |
| Shem Valley Road over Brock Brook | 1930 | 96 | Good |
| Slab City Road over Smith Brook | 1930 | 96 | Fair |
| Steele Bridge Road over Mill Brook | 2003 | 96 | Good |
| Stevens Road over Mink Brook | 1973 | 96 | Good |
| Sullivan Drive over Mill Brook | 1986 | 96 | Good |
| Tarbox Lane over Eastman Brook | 1999 | 96 | Good |
| Thayer Mtn Road over S Branch Baker River | 1999 | 96 | Good |
| Town Road #100 over Archertown Brook | 2021 | 96 | Good |
| Town Road over Mink Brook | 1980 | 96 | Fair |
| Transfer Station R over Orange Brook | 1980 | 96 | Fair |
| Welton Falls Road over Fowler River | 1965 | 96 | Fair |
| Wentworth Road over Brook | 1989 | 96 | Good |
| West Bath Road over Ammonoosuc R Nhrr(abd) | 1832 | 96 | Fair |
| Wild Meadows Road over Brook | 1980 | 96 | Fair |
| Willey Road over West Branch Brook | 2009 | 96 | Good |
| Titus Road over Mill Brook | 1927 | 80 | Fair |
| Sculptured Rocks R over Atwell Brook | 2018 | 75 | Good |
| Market Street over Grant Brook | 1974 | 72 | Fair |