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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
HODGSON BROOK New Hampshire Poor 1940 11.3 m 1,096
MILL BROOK New Hampshire Good 2015 8.1 m 1,093
NH 12 NECRR New Hampshire Good 1970 70.7 m 1,091
BABOOSIC BROOK New Hampshire Good 2016 14.2 m 1,091
BLOODS BROOK New Hampshire Good 2008 32.0 m 1,089
BLOODS BROOK New Hampshire Poor 1952 19.8 m 1,089
INDIAN RIVER New Hampshire Good 1946 10.7 m 1,088
ANDROSCOGGIN RIVER New Hampshire Good 1996 47.1 m 1,084
WILD AMMONOOSUC RIVER New Hampshire Fair 1932 25.3 m 1,082
E BR SACO RIVER New Hampshire Poor 1928 24.4 m 1,078
OLIVERIAN BROOK New Hampshire Poor 1960 16.5 m 1,072
OLIVERIAN BROOK New Hampshire Good 1999 21.8 m 1,072
NORTH BRANCH RIVER New Hampshire Fair 1928 9.8 m 1,072
SUGAR RIVER New Hampshire Poor 1967 85.6 m 1,067
RELIEF New Hampshire Good 1914 9.8 m 1,065
RELIEF New Hampshire Good 2013 12.2 m 1,065
CONTOOCOOK RIVER New Hampshire Fair 1958 23.5 m 1,064
SUNCOOK RIVER New Hampshire Fair 1981 50.6 m 1,060
WEST BRANCH BROOK New Hampshire Fair 1927 27.7 m 1,054
I-93 New Hampshire Good 1959 100.9 m 1,052
BEEBE RIVER New Hampshire Fair 1934 25.3 m 1,051
MILL BROOK New Hampshire Fair 1930 9.1 m 1,044
SOUHEGAN RIVER New Hampshire Fair 1925 13.1 m 1,043
SEAVEY CREEK New Hampshire Good 2009 49.4 m 1,042
HEATH BROOK New Hampshire Good 2020 9.4 m 1,032
PINE RIVER New Hampshire Fair 1983 18.9 m 1,026
MINNEWAWA RIVER New Hampshire Fair 1938 16.8 m 1,019
MINNEWAWA BROOK New Hampshire Good 1953 6.7 m 1,014
CANAL New Hampshire Good 2012 16.0 m 1,013
SALMON FALLS RIVER New Hampshire Good 1990 30.5 m 1,013
GUNNISON BROOK New Hampshire Fair 1940 8.9 m 1,012
GUNNISON BROOK New Hampshire Fair 1940 9.8 m 1,012
GUNNISON BROOK New Hampshire Fair 1945 7.0 m 1,012
US 3 NH 11 BYPASS New Hampshire Good 1965 18.0 m 1,011
STEARNS BROOK New Hampshire Good 1982 23.5 m 1,009
I-89 New Hampshire Fair 1966 59.4 m 1,004
BABOOSIC BROOK New Hampshire Good 2016 21.3 m 1,004
LAMPREY RIVER New Hampshire Good 1978 6.1 m 1,000
ISRAEL RIVER New Hampshire Good 1987 29.0 m 996
I-95 New Hampshire Good 1975 88.1 m 995
CONNECTICUT RIVER New Hampshire Fair 1937 118.6 m 992
SWIFT RIVER New Hampshire Fair 1961 22.2 m 985
DOUGLAS BROOK New Hampshire Good 1964 9.8 m 985
DOUGLAS BROOK New Hampshire Good 1964 18.0 m 985
ANDROSCOGGIN RIVER New Hampshire Fair 1969 83.5 m 985
CLEAR STREAM New Hampshire Fair 1951 7.9 m 981
CORSER BROOK New Hampshire Good 1954 7.9 m 981
AKERS POND BROOK New Hampshire Good 1960 21.9 m 981
WEST BRANCH CLEAR STREAM New Hampshire Good 1953 9.4 m 981
CLEAR STREAM New Hampshire Good 1926 9.1 m 981

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.