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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
COLD RIVER New Hampshire Good 1961 47.9 m 1,167
BOWERS BROOK New Hampshire Good 2018 11.7 m 1,167
COLD RIVER New Hampshire Good 1975 13.0 m 1,167
SUNCOOK RIVER New Hampshire Good 1986 23.2 m 1,167
INDIAN CREEK New Hampshire Good 2017 8.5 m 1,167
WHITCHER BROOK New Hampshire Good 2003 9.1 m 1,167
AMMONOOSUC RIVER New Hampshire Poor 1927 37.8 m 1,167
HOYT BROOK New Hampshire Good 2010 8.5 m 1,167
SOUHEGAN RIVER New Hampshire Good 2006 7.6 m 1,167
PISCATAQUOG RIVER New Hampshire Fair 1964 28.7 m 1,167
CASCADE BROOK New Hampshire Good 2008 13.1 m 1,167
BLOOD BROOK New Hampshire Poor 1901 14.9 m 1,167
COCHECO RIVER New Hampshire Good 2018 23.2 m 1,167
S BR PISCATAQUOG RIVER New Hampshire Good 2014 17.4 m 1,167
S BR PISCATAQUOG RIVER New Hampshire Fair 1962 16.5 m 1,167
NIGHTHAWK HOLLOW BROOK New Hampshire Good 2021 18.0 m 1,167
ASHUELOT RIVER New Hampshire Fair 1863 14.3 m 1,167
BROOK New Hampshire Good 2019 10.4 m 1,167
BACK CREEK New Hampshire Good 2010 6.7 m 1,167
MONAHAN BROOK New Hampshire Good 1929 7.9 m 1,167
BROOK New Hampshire Fair 1940 7.0 m 1,167
COCKERMOUTH RIVER New Hampshire Fair 1930 16.5 m 1,167
GEORGES BROOK New Hampshire Good 1900 7.3 m 1,167
PARTRIDGE BROOK New Hampshire Poor 1937 44.9 m 1,167
OTTER BROOK New Hampshire Good 1958 19.2 m 1,167
BURNSIDE BROOK New Hampshire Good 1984 14.9 m 1,167
MILL BROOK New Hampshire Good 1928 9.1 m 1,167
BLOW-ME-DOWN BROOK New Hampshire Good 1961 10.4 m 1,167
ASHUELOT RIVER New Hampshire Fair 1936 9.1 m 1,167
PEARL LAKE BROOK New Hampshire Fair 1928 9.1 m 1,167
MILL BROOK New Hampshire Good 1928 6.1 m 1,167
WARREN BROOK New Hampshire Good 2020 23.6 m 1,161
BEAVER BROOK New Hampshire Good 1978 9.8 m 1,158
I-93 FEE TPK New Hampshire Fair 1978 100.9 m 1,142
SUGAR RIVER New Hampshire Fair 1974 27.9 m 1,141
NH 16 SP TPK New Hampshire Good 1957 57.9 m 1,140
LAMPREY RIVER New Hampshire Good 2004 35.7 m 1,138
GRANT BROOK New Hampshire Fair 1940 13.7 m 1,132
GRANT BROOK New Hampshire Poor 1952 12.5 m 1,132
WARREN BROOK New Hampshire Good 2008 15.8 m 1,124
WARREN BROOK New Hampshire Good 2012 9.7 m 1,124
WARREN BROOK New Hampshire Good 2006 7.0 m 1,124
I-93 New Hampshire Good 2012 95.4 m 1,124
CONNECTICUT RIVER New Hampshire Fair 1947 128.0 m 1,124
POWWOW RIVER New Hampshire Good 1960 9.1 m 1,118
JACOBS BROOK New Hampshire Fair 1925 11.9 m 1,116
HORNE BROOK New Hampshire Fair 1932 11.0 m 1,112
SUGAR RIVER New Hampshire Fair 1923 8.5 m 1,110
S BR ASHUELOT RIVER New Hampshire Fair 1936 16.5 m 1,100
NASHUA RIVER New Hampshire Good 2016 125.3 m 1,100

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.