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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 1986 13.7 m 96
MILL BROOK New Hampshire Good 2018 13.1 m 96
MILL BROOK New Hampshire Good 2003 15.5 m 96
MILL TAIL RACE New Hampshire Fair 1936 8.2 m 96
LITTLE SUGAR RIVER New Hampshire Poor 1980 9.1 m 96
LITTLE SUGAR RIVER New Hampshire Good 2008 29.3 m 96
LITTLE SUGAR RIVER New Hampshire Fair 2011 20.9 m 96
CHASE BROOK New Hampshire Good 2012 6.6 m 96
LITTLE SUGAR RIVER New Hampshire Good 1930 11.6 m 96
LITTLE SUGAR RIVER New Hampshire Good 1991 9.1 m 96
SPRING BROOK New Hampshire Good 2013 7.9 m 96
BRANCH RIVER New Hampshire Poor 1940 10.7 m 96
MEADOW BROOK New Hampshire Fair 1939 9.8 m 96
WARNER RIVER New Hampshire Fair 1980 11.0 m 96
SILVER BROOK New Hampshire Good 2011 7.0 m 96
SCHOODAC BROOK New Hampshire Good 2009 22.9 m 96
ORE HILL BROOK New Hampshire Fair 1950 11.0 m 96
CLIFFORD BROOK New Hampshire Fair 1983 11.0 m 96
HIGHLAND LAKE INLET New Hampshire Good 2015 11.3 m 96
HALFMOON POND OUTLET New Hampshire Good 2012 11.3 m 96
HALFMOON POND OUTLET New Hampshire Good 2009 13.1 m 96
HIGHLAND LAKE OUTLET New Hampshire Good 2012 11.3 m 96
WOODWARD BROOK New Hampshire Good 2020 11.1 m 96
BEARDS BROOK New Hampshire Fair 1920 10.1 m 96
DUDLEY BROOK New Hampshire Good 1999 8.8 m 96
LAKE HORACE New Hampshire Good 2009 16.8 m 96
PEACOCK BROOK New Hampshire Good 1998 10.4 m 96
PISCATAQUOG RIVER New Hampshire Fair 2003 20.4 m 96
PISCATAQUOG RIVER New Hampshire Good 1940 18.3 m 96
MID BR PISCATAQUOG RIVER New Hampshire Good 1999 15.2 m 96
BLACKWATER RIVER New Hampshire Good 1937 21.0 m 96
POND BROOK New Hampshire Fair 1940 10.4 m 96
ROCKY BRANCH New Hampshire Fair 2018 7.3 m 96
S BRANCH BAKER RIVER New Hampshire Good 1937 13.6 m 96
S BRANCH BAKER RIVER New Hampshire Good 1995 20.4 m 96
S BRANCH BAKER RIVER New Hampshire Good 1999 27.3 m 96
S BRANCH BAKER RIVER New Hampshire Good 1981 19.4 m 96
STEVENS BROOK New Hampshire Good 1947 21.9 m 96
OX BROOK New Hampshire Good 1984 7.3 m 96
MILL BROOK New Hampshire Good 1996 19.5 m 96
MILL BROOK New Hampshire Fair 2015 15.8 m 96
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

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.