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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
SMITH RIVER New Hampshire Good 1926 13.9 m 50
OTTER BROOK New Hampshire Poor 1967 13.6 m 50
OTTER BROOK New Hampshire Poor 1967 13.8 m 50
ROCKY BROOK New Hampshire Good 1975 9.1 m 45
PATCH BROOK New Hampshire Poor 1930 10.1 m 45
CLEMENT BROOK New Hampshire Poor 1929 13.7 m 44
PHILLIPS BROOK New Hampshire Good 1996 11.0 m 43
COLD BROOK New Hampshire Fair 1900 10.4 m 41
COCKERMOUTH RIVER New Hampshire Good 2009 22.7 m 40
GEORGES BROOK New Hampshire Good 1999 11.3 m 36
BURTON POND OUTLET New Hampshire Poor 1920 8.5 m 36
STRATFORD BOG BROOK New Hampshire Fair 1924 8.2 m 34
NORTH BRANCH RIVER New Hampshire Good 2011 25.6 m 30
BRENNAN BROOK New Hampshire Fair 1930 7.0 m 27
BAKER RIVER New Hampshire Fair 1976 25.3 m 26
CANAL OUTLET New Hampshire Fair 1940 6.1 m 25
ASHUELOT RIVER New Hampshire Poor 1947 40.2 m 25
SPILLWAY CHANNEL New Hampshire Good 1962 70.7 m 25
ASHUELOT RIVER New Hampshire Fair 1945 23.2 m 24
DAN HOLE RIVER New Hampshire Good 1940 6.5 m 22
MOOSE BROOK New Hampshire Fair 1990 8.5 m 21
BAKER RIVER New Hampshire Fair 1928 34.1 m 21
BALSAM POND BROOK New Hampshire Good 2008 9.3 m 20
BERRYS RIVER New Hampshire Poor 1983 6.6 m 20
BEARCAMP RIVER New Hampshire Good 1930 19.8 m 20
BLOW-ME-DOWN BROOK New Hampshire Fair 1877 27.1 m 19
S BR PISCATAQUOG RIVER New Hampshire Fair 1930 9.1 m 17
LITTLE RIVER New Hampshire Fair 1930 8.2 m 13
COUNTRY POND OUTLET New Hampshire Fair 1980 7.3 m 10
NORTH MILL POND New Hampshire Fair 1984 15.8 m 10
PARTRIDGE BROOK New Hampshire Fair 1936 13.4 m 10
EASTSIDE TRIB 1 New Hampshire Good 2015 9.1 m 10
EASTSIDE TRIB 3 New Hampshire Fair 2015 9.1 m 10
EASTSIDE TRIB 4 New Hampshire Fair 2015 18.3 m 10
ALBANY BROOK New Hampshire Good 1998 7.3 m 10
NO DATA ENTERED New Hampshire Poor 1990 8.1 m 10
NO DATA ENTERED New Hampshire Fair 1990 8.7 m 10
JOE ENGLISH BROOK New Hampshire Fair 2008 11.0 m 10
JOE ENGLISH POND New Hampshire Fair 2008 8.5 m 10
GARDNER-JOE ENGLISH STRE New Hampshire Poor 1959 8.5 m 10
THOMPSON BROOK New Hampshire Poor 1931 11.7 m 5
NEEDLE SHOP BROOK New Hampshire Fair 1910 9.3 m 1
ANDROSCOGGIN RIVER New Hampshire Fair 1951 51.4 m —
MOOSE BROOK New Hampshire Good 1964 6.7 m —
MINK BROOK New Hampshire Fair 1936 20.7 m —
STONY BROOK New Hampshire Good 2011 7.6 m —
LITTLE RIVER New Hampshire Good 2005 11.6 m —
I-95 RAMPS New Hampshire Good 1972 68.3 m —
CONNECTICUT RIVER New Hampshire Poor 1930 70.1 m —

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.