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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
SALMON BROOK New Hampshire Poor 1900 10.7 m 96
SALMON BROOK New Hampshire Good 1900 7.3 m 96
BLACK BROOK New Hampshire Good 2013 7.7 m 96
PATTERSON BROOK New Hampshire Good 2019 11.0 m 96
ALGONQUIN BROOK New Hampshire Fair 1983 7.9 m 96
BEARCAMP RIVER New Hampshire Fair 1983 9.1 m 96
BEARCAMP RIVER New Hampshire Fair 1983 7.3 m 96
RED HILL RIVER New Hampshire Good 2018 12.8 m 96
BEARCAMP RIVER New Hampshire Good 2020 11.6 m 96
POND BROOK New Hampshire Good 1994 10.1 m 96
BEARCAMP RIVER New Hampshire Poor 1950 10.1 m 96
COLD RIVER New Hampshire Good 2018 16.0 m 96
BEARCAMP RIVER New Hampshire Fair 1960 10.7 m 96
WHITEFACE RIVER New Hampshire Fair 1953 14.6 m 96
BEARCAMP RIVER New Hampshire Good 1900 14.3 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
S BRANCH BAKER RIVER New Hampshire Good 1995 20.4 m 96
MEADOW BROOK New Hampshire Fair 1939 9.8 m 96
WARNER RIVER New Hampshire Fair 1980 11.0 m 96
WHEELOCK BROOK New Hampshire Good 2007 7.3 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
JOHNS RIVER New Hampshire Good 2020 12.2 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
BROOK New Hampshire Good 1990 7.6 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

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.