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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
VILLAGE BROOK New Hampshire Fair 1935 7.0 m 4,273
ASHUELOT RIVER New Hampshire Good 1859 48.5 m 4,250
DEAD RIVER New Hampshire Good 1931 7.3 m 4,241
INDUSTRIAL PK NHRR(ABD) New Hampshire Fair 1959 64.6 m 4,235
AMMONOOSUC RIVER New Hampshire Fair 1960 86.0 m 4,235
EUSTIS HILL ROAD New Hampshire Good 1959 13.7 m 4,235
OUTLET WICKWAS POND New Hampshire Good 2019 19.2 m 4,230
BEAVER BROOK New Hampshire Fair 1978 7.6 m 4,228
NHRR(ABD) New Hampshire Good 1990 109.7 m 4,216
BEARCAMP RIVER New Hampshire Good 2005 121.0 m 4,213
PEABODY RIVER New Hampshire Fair 1950 57.3 m 4,148
NH 16 SP TPK New Hampshire Good 1957 63.1 m 4,112
AMMONOOSUC RIVER New Hampshire Fair 1974 62.8 m 4,075
AMMONOOSUC RIVER New Hampshire Good 1974 62.8 m 4,075
BROOK New Hampshire Fair 1961 6.4 m 4,065
NHRR(CONWAY SCENIC LINE) New Hampshire Good 2008 26.2 m 4,065
SACO RIVER New Hampshire Good 2008 71.2 m 4,065
SOUCOOK RIVER New Hampshire Good 1959 36.9 m 4,050
CSX New Hampshire Good 1927 11.0 m 4,040
LAMPREY RIVER New Hampshire Fair 1936 17.4 m 4,039
ANDROSCOGGIN RIVER New Hampshire Fair 1982 131.7 m 4,023
MINNEWAWA BROOK New Hampshire Good 1967 10.4 m 4,006
WARNER RIVER New Hampshire Fair 1948 26.5 m 4,002
PISCATAQUA RIV BACK CHNL New Hampshire Fair 1941 61.0 m 4,000
S BRANCH BAKER RIVER New Hampshire Fair 1978 66.4 m 3,993
NECRR New Hampshire Good 1959 20.4 m 3,937
LITTLE RIVER New Hampshire Good 2000 7.9 m 3,933
AMEY BROOK New Hampshire Good 1951 6.7 m 3,928
NH 18 New Hampshire Good 1986 30.5 m 3,926
TURKEY RIVER New Hampshire Fair 1959 20.7 m 3,904
EEL CREEK New Hampshire Fair 1997 7.3 m 3,902
I-89 New Hampshire Fair 1994 79.9 m 3,866
STONY BROOK New Hampshire Fair 1928 7.9 m 3,863
SOUTH POLICY STREET New Hampshire Good 1965 44.5 m 3,861
DECEPTION BROOK New Hampshire Good 1974 10.4 m 3,842
AMMONOOSUC RIVER New Hampshire Fair 1987 33.8 m 3,842
CRAWFORD BROOK New Hampshire Fair 1965 6.7 m 3,842
CONNECTICUT RIVER New Hampshire Good 2020 124.4 m 3,840
LITTLE RIVER New Hampshire Good 2019 9.1 m 3,826
STONY BROOK New Hampshire Fair 1986 6.4 m 3,793
WARNER RIVER New Hampshire Fair 1936 24.7 m 3,778
WARNER RIVER New Hampshire Fair 1936 24.7 m 3,778
CSX New Hampshire Good 1927 11.3 m 3,778
S BR PISCATAQUOG RIVER New Hampshire Fair 1937 19.2 m 3,777
EXETER RIVER New Hampshire Good 1937 7.6 m 3,762
GUNSTOCK RIVER New Hampshire Good 1970 9.8 m 3,736
CLARK BROOK New Hampshire Good 1940 6.1 m 3,734
PATCH BROOK New Hampshire Good 1962 17.1 m 3,727
HURRICANE BROOK New Hampshire Good 1962 12.8 m 3,727
BAKER RIVER New Hampshire Good 1962 32.9 m 3,727

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.