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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
NH 10 New Hampshire Fair 1967 27.3 m 10,804
SKINNER BROOK New Hampshire Fair 1959 11.0 m 10,804
NH 10 New Hampshire Fair 1959 24.7 m 10,804
MILLER POND ROAD New Hampshire Fair 1959 9.1 m 10,804
REC TRAIL MASCOMA RIVER New Hampshire Good 2015 135.2 m 10,801
HUPPE BROOK New Hampshire Fair 1945 7.3 m 10,801
LITTLE RIVER CSX New Hampshire Good 2006 116.4 m 10,799
US 3 NH 25 New Hampshire Good 1963 21.3 m 10,769
TIOGA RIVER New Hampshire Good 1934 13.1 m 10,766
WINNIPESAUKEE RIVER New Hampshire Good 1968 40.2 m 10,736
LAMPREY RIVER New Hampshire Fair 1955 20.1 m 10,702
TRIBUTARY G New Hampshire Good 2015 6.7 m 10,683
JEWETT BROOK New Hampshire Fair 1979 6.7 m 10,681
MAPLE AVENUE New Hampshire Fair 1966 44.5 m 10,675
BEAVER BROOK New Hampshire Good 1966 7.3 m 10,613
NH103 New Hampshire Good 1966 18.0 m 10,586
WARNER RIVER New Hampshire Fair 1966 48.5 m 10,586
BOG BROOK New Hampshire Good 1963 46.3 m 10,585
BLAIR ROAD New Hampshire Good 1963 17.7 m 10,585
US 3 New Hampshire Good 1964 28.4 m 10,585
NH108 New Hampshire Good 1966 47.9 m 10,545
NH112 NHRR New Hampshire Fair 1972 49.1 m 10,539
BEAUTY HILL ROAD New Hampshire Good 1969 20.1 m 10,520
SALMON FALLS RIVER New Hampshire Good 1970 50.0 m 10,507
BOG BROOK New Hampshire Good 1968 46.3 m 10,437
BLAIR ROAD New Hampshire Good 1967 18.0 m 10,437
US 3 New Hampshire Good 1964 28.0 m 10,437
MOOSE RIVER New Hampshire Good 1939 25.9 m 10,406
MERRYMEETING RIVER New Hampshire Poor 1934 10.7 m 10,346
WILDLIFE STREAM New Hampshire Good 2011 7.9 m 10,291
I-95 New Hampshire Fair 1976 89.6 m 10,248
NH101 New Hampshire Good 1996 71.3 m 10,248
MOOSE BROOK New Hampshire Fair 1972 21.6 m 10,237
WARNER RIVER New Hampshire Fair 1966 48.5 m 10,232
NH103 New Hampshire Good 1966 17.7 m 10,232
RAMP D TOLL ACCESS DR New Hampshire Good 1996 66.4 m 10,224
BIKE PATH LAFAYETTE BK New Hampshire Fair 1987 89.9 m 10,220
TURKEY RIVER New Hampshire Fair 1960 7.0 m 10,111
US 3 PEMIGEWASSET RIVER New Hampshire Fair 1969 176.5 m 10,052
MAD RIVER New Hampshire Good 1968 31.9 m 10,052
NHRR New Hampshire Good 1968 27.3 m 10,052
SUGAR RIVER New Hampshire Fair 1930 16.5 m 10,042
MINK BROOK New Hampshire Fair 1969 6.4 m 10,035
BRANCH RIVER New Hampshire Fair 1959 15.8 m 10,017
US 3 PEMIGEWASSET RIVER New Hampshire Fair 1969 169.8 m 10,012
MAD RIVER New Hampshire Good 1968 31.9 m 10,012
NHRR New Hampshire Good 1968 27.2 m 10,012
RAM BROOK New Hampshire Good 2008 9.4 m 9,959
SUGAR RIVER PED TRAIL New Hampshire Fair 1998 53.3 m 9,959
COHAS BROOK New Hampshire Fair 1935 14.0 m 9,918

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.