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.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| 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.