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Browse Bridge Database

2,549 bridges in the FHWA National Bridge Inventory in New Hampshire.

National Bridge Inventory Database

Browse 2,549 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

Clear
BridgeLocationConditionYear BuiltLengthADT
MILL BROOK New Hampshire Good 2005 10.2 m 96
JOHNS RIVER New Hampshire Good 2020 12.2 m 96
BROOK New Hampshire Good 1960 7.6 m 96
BROOK New Hampshire Fair 1983 8.2 m 96
BROOK New Hampshire Good 1990 7.6 m 96
EAGLE POND OUTLET New Hampshire Good 1974 11.6 m 96
KIMPTON BROOK New Hampshire Fair 1994 10.7 m 96
TANNERY POND OUTLET New Hampshire Fair 1910 7.9 m 96
WHITNEY BROOK New Hampshire Good 1988 7.6 m 96
BURTON POND OUTLET New Hampshire Fair 1920 7.0 m 96
BURTON POND OUTLET New Hampshire Good 2021 10.4 m 96
BROAD BROOK New Hampshire Good 1900 8.3 m 96
WHEELOCK BROOK New Hampshire Good 2007 7.3 m 96
MIREY BROOK New Hampshire Fair 1920 8.8 m 96
I-89 New Hampshire Fair 1967 104.2 m 95
GRIDLEY RIVER New Hampshire Fair 1927 8.2 m 95
ELBOW BROOK New Hampshire Good 2018 7.9 m 94
MILL BROOK New Hampshire Fair 1883 23.8 m 92
CONNECTICUT RIVER New Hampshire Fair 1961 7.3 m 89
MCDONOUGH BROOK New Hampshire Fair 1953 7.3 m 88
PRIEST BROOK New Hampshire Poor 1984 6.4 m 87
BUMPUS BROOK New Hampshire Fair 1945 7.0 m 87
WARNER RIVER New Hampshire Fair 1966 36.3 m 86
FRAZIER BROOK New Hampshire Good 1987 9.1 m 84
BLOW-ME-DOWN BROOK New Hampshire Fair 1930 13.1 m 82
SUCKER BROOK New Hampshire Good 2005 6.6 m 80
MILL BROOK New Hampshire Fair 1927 7.9 m 80
WHITEFACE RIVER New Hampshire Fair 1950 12.2 m 79
LYMAN BROOK New Hampshire Good 2014 17.1 m 78
LYMAN BROOK New Hampshire Good 1960 12.5 m 78
US 1 BYPASS New Hampshire Good 2019 34.9 m 76
PARTRIDGE BROOK New Hampshire Fair 1932 7.3 m 76
FRAZIER BROOK New Hampshire Poor 1950 8.5 m 75
ATWELL BROOK New Hampshire Good 2018 8.2 m 75
SUNCOOK RIVER New Hampshire Fair 1924 17.7 m 73
FRAZIER BROOK New Hampshire Poor 1950 7.6 m 73
GRANT BROOK New Hampshire Fair 1974 8.5 m 72
ROCKY BROOK New Hampshire Good 1973 12.5 m 71
ELLSWORTH POND OUTLET New Hampshire Good 1986 6.1 m 70
CONTOOCOOK RIVER New Hampshire Fair 1939 17.4 m 68
ASHUELOT RIVER New Hampshire Fair 1920 13.9 m 65
NEEDLE SHOP BROOK New Hampshire Poor 1930 10.7 m 64
RICE BROOK New Hampshire Fair 1983 7.9 m 60
POND BROOK New Hampshire Good 1979 17.4 m 58
BROCK BROOK New Hampshire Fair 1930 9.4 m 56
BROCK BROOK New Hampshire Good 2004 9.7 m 56
ORANGE BROOK New Hampshire Fair 1976 12.2 m 56
JACOBS BROOK New Hampshire Fair 1930 12.2 m 53
JACOBS BROOK New Hampshire Fair 1930 11.6 m 53
TUNNEL BROOK New Hampshire Fair 1928 22.6 m 52

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.