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.

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BridgeLocationConditionYear BuiltLengthADT
FERGUSON BROOK New Hampshire Good 2006 7.6 m 96
PERRY BROOK New Hampshire Good 2020 6.1 m 96
MINK BROOK New Hampshire Good 1973 7.6 m 96
MINK BROOK New Hampshire Good 1973 6.1 m 96
MINK BROOK New Hampshire Fair 1980 8.2 m 96
MINK BROOK New Hampshire Fair 1946 12.8 m 96
MINK BROOK New Hampshire Good 1940 14.2 m 96
MINK BROOK New Hampshire Good 2004 7.6 m 96
MINNEWAWA BROOK New Hampshire Poor 1950 9.4 m 96
NUBANUSIT BROOK New Hampshire Fair 1925 7.6 m 96
OLIVERIAN BROOK New Hampshire Fair 1978 17.4 m 96
OLIVERIAN BROOK New Hampshire Fair 1978 13.7 m 96
NORTH BRANCH New Hampshire Good 2016 12.9 m 96
CLARK BROOK New Hampshire Good 2020 20.7 m 96
US202 NH 9 New Hampshire Fair 1974 34.4 m 96
CANAL New Hampshire Fair 1929 13.7 m 96
BEARDS BROOK New Hampshire Fair 1970 7.5 m 96
BEARDS BROOK New Hampshire Fair 1974 9.4 m 96
BEARDS BROOK New Hampshire Poor 1900 10.4 m 96
SHEDD BROOK New Hampshire Fair 1919 7.9 m 96
BEARDS BROOK New Hampshire Fair 1900 9.8 m 96
BEARDS BROOK New Hampshire Poor 1900 13.7 m 96
MILL BROOK New Hampshire Good 1940 9.5 m 96
SUNCOOK RIVER New Hampshire Good 1909 31.1 m 96
BLOODS BROOK New Hampshire Fair 1940 9.4 m 96
BLOODS BROOK New Hampshire Fair 1920 9.1 m 96
NEWTON BROOK New Hampshire Fair 2018 10.7 m 96
SANBORN MILL BROOK New Hampshire Good 2004 10.8 m 96
MOOSE RIVER New Hampshire Fair 1949 10.4 m 96
TULLY BROOK New Hampshire Good 2024 16.3 m 96
TULLY BROOK New Hampshire Good 2013 8.2 m 96
BLACKWATER RIVER New Hampshire Good 1990 27.4 m 96
BLACKWATER RIVER New Hampshire Good 2010 33.2 m 96
BLACKWATER RIVER New Hampshire Good 1993 38.1 m 96
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
WHITING BROOK New Hampshire Good 2015 8.5 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

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.