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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
US202 New Hampshire Good 2011 52.6 m 37,452
HALL STREET New Hampshire Fair 1958 50.6 m 37,288
STEVENS POND New Hampshire Fair 1977 307.8 m 36,942
RECREATION TRAIL New Hampshire Good 2014 30.4 m 36,675
NH 28 New Hampshire Good 2014 54.3 m 36,675
STONEHENGE ROAD New Hampshire Good 1995 22.4 m 36,675
WOODBURY AVENUE New Hampshire Good 1970 21.3 m 35,888
US 4 NH 16 SP TPK New Hampshire Fair 1970 38.7 m 35,888
FEE TPK New Hampshire Fair 1993 53.9 m 35,647
I-89 TURKEY RIVER PED New Hampshire Good 2014 80.2 m 35,573
I-293 NH101 New Hampshire Good 1960 52.7 m 35,231
I-89 TURKEY RIVER New Hampshire Good 2014 80.2 m 34,805
WOODBURY AVENUE New Hampshire Good 1970 21.3 m 34,685
US 3 FEE TPK New Hampshire Fair 1998 86.3 m 34,337
I-93 New Hampshire Good 2018 103.2 m 34,331
LITTLE BAY RD New Hampshire Good 1966 487.1 m 34,298
US 3 NH 28 New Hampshire Good 1976 45.1 m 34,221
US 3 NH 28 New Hampshire Good 1976 45.4 m 34,000
MERRIMACK RIVER CSX RD New Hampshire Fair 1976 251.8 m 34,000
LITTLE BAY RD New Hampshire Good 2018 502.5 m 33,938
FEE TPK New Hampshire Good 1993 82.3 m 33,533
NH 16 SP TPK New Hampshire Good 1957 52.1 m 32,326
WILLIAMS BROOK New Hampshire Fair 1960 7.0 m 30,961
LONG HILL ROAD New Hampshire Fair 1956 26.2 m 30,695
BLACKWATER ROAD New Hampshire Fair 1957 10.7 m 30,695
NB RAMP New Hampshire Good 1972 38.7 m 30,667
TURKEY RIVER New Hampshire Fair 1959 10.1 m 30,513
WIECZOREK DR New Hampshire Good 2010 59.7 m 29,696
NH 3A New Hampshire Good 1976 42.7 m 29,141
PLAZA CONNECTOR ROAD New Hampshire Fair 2012 17.1 m 28,690
BRIDGE STREET New Hampshire Fair 1977 20.1 m 28,328
STEVENS POND New Hampshire Fair 1976 191.6 m 28,328
KING STREET New Hampshire Good 1961 19.2 m 28,293
HOOKSETT ROAD New Hampshire Good 1972 38.9 m 28,293
KING STREET New Hampshire Fair 1961 18.3 m 27,245
US 3 FEE TPK New Hampshire Fair 1999 65.5 m 26,909
DANIEL WEBSTER HWY New Hampshire Fair 1993 39.0 m 26,815
MERRIMACK RIVER New Hampshire Fair 1998 212.4 m 26,707
NH107 New Hampshire Good 1983 41.4 m 26,381
I-293 EBN New Hampshire Good 1961 25.9 m 26,271
COHAS BROOK New Hampshire Fair 1962 12.3 m 26,271
I-93 NB OFF RAMP New Hampshire Good 1962 20.1 m 26,271
OLD CANDIA ROAD New Hampshire Good 1985 47.2 m 26,196
OLD CANDIA ROAD New Hampshire Good 1985 47.2 m 26,196
HOOKSETT ROAD New Hampshire Good 1972 38.9 m 26,196
CSX New Hampshire Good 1998 29.0 m 25,915
MERRIMACK RIVER New Hampshire Fair 1959 159.7 m 25,855
MERRIMACK RIVER New Hampshire Fair 1959 159.7 m 25,801
NH 3A New Hampshire Fair 1976 42.7 m 25,712
CSX New Hampshire Good 1994 29.0 m 25,640

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.