Browse Bridge Database
1,660 bridges in the FHWA National Bridge Inventory in Alaska.
National Bridge Inventory Database
Browse 1,660 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 |
|---|---|---|---|---|---|
| TRIBUTARY TO 12-MILE CK | Alaska | Good | 2015 | 12.2 m | 10 |
| STREAM | Alaska | Fair | 2014 | 12.5 m | 10 |
| TRAIL RIVER | Alaska | Fair | 1965 | 43.3 m | 10 |
| PALMER CREEK | Alaska | Poor | 1957 | 9.8 m | 10 |
| SUNTAHEEN CREEK | Alaska | Good | 2018 | 31.1 m | 10 |
| N FORK FRESHWARTER CREEK | Alaska | Good | 2018 | 27.4 m | 10 |
| STREAM | Alaska | Good | 1993 | 21.3 m | 10 |
| STREAM | Alaska | Good | 2013 | 12.2 m | 10 |
| BEAVER POND | Alaska | Fair | 2013 | 12.5 m | 10 |
| WUKUKLOOK CREEK | Alaska | Fair | 1989 | 26.9 m | 10 |
| CREEK | Alaska | Fair | 1989 | 15.2 m | 10 |
| PERM | Alaska | Fair | 1982 | 28.8 m | 10 |
| CREEK | Alaska | Fair | 1982 | 9.1 m | 10 |
| CREEK | Alaska | Fair | 1982 | 9.1 m | 10 |
| FRESHWATER CREEK | Alaska | Fair | 1982 | 33.5 m | 10 |
| CREEK | Alaska | Fair | 1982 | 9.1 m | 10 |
| CREEK | Alaska | Good | 1985 | 25.4 m | 10 |
| PERM 114.6640 | Alaska | Good | 1989 | 28.0 m | 10 |
| NO DATA ENTERED | Alaska | Good | 2018 | 21.3 m | 10 |
| NO DATA ENTERED | Alaska | Fair | 1995 | 12.2 m | 10 |
| PERM 125.951 | Alaska | Good | 1987 | 39.6 m | 10 |
| PERM | Alaska | Fair | 2000 | 21.9 m | 10 |
| PERM | Alaska | Fair | 1984 | 18.3 m | 10 |
| PERM 124.232 | Alaska | Good | 1987 | 32.0 m | 10 |
| PERM 124.153 | Alaska | Good | 1987 | 22.0 m | 10 |
| PERM | Alaska | Good | 1984 | 24.9 m | 10 |
| MOD | Alaska | Fair | 1979 | 15.2 m | 10 |
| STREAM | Alaska | Good | 1994 | 25.3 m | 10 |
| PERM | Alaska | Fair | 1980 | 21.3 m | 10 |
| PERM | Alaska | Good | 2000 | 25.9 m | 10 |
| PERM | Alaska | Good | 1987 | 32.0 m | 10 |
| PERM | Alaska | Fair | 1987 | 23.2 m | 10 |
| PERM | Alaska | Good | 1984 | 27.7 m | 10 |
| SEAGULL CREEK | Alaska | Good | 1975 | 21.3 m | 10 |
| PERM | Alaska | Good | 1989 | 40.5 m | 10 |
| PERM 115.539 | Alaska | Good | 1987 | 28.0 m | 10 |
| CREEK | Alaska | Fair | 1985 | 19.3 m | 10 |
| CREEK | Alaska | Fair | 1982 | 12.2 m | 10 |
| STREAM | Alaska | Fair | 1982 | 18.3 m | 10 |
| CREEK | Alaska | Good | 1994 | 27.4 m | 10 |
| STREAM | Alaska | Good | 1994 | 18.3 m | 10 |
| CREEK | Alaska | Good | 1994 | 23.8 m | 10 |
| NO DATA ENTERED | Alaska | Fair | 1981 | 15.2 m | 10 |
| PERM | Alaska | Fair | 2001 | 24.4 m | 10 |
| NO DATA ENTERED | Alaska | Good | 1993 | 25.0 m | 10 |
| MOD | Alaska | Fair | 1980 | 15.2 m | 10 |
| PERM | Alaska | Fair | 1987 | 30.5 m | 10 |
| PERM | Alaska | Fair | 1988 | 22.6 m | 10 |
| SHERIDAN CREEK | Alaska | Fair | 2006 | 14.0 m | 10 |
| MILK CREEK | Alaska | Good | 1980 | 13.1 m | 10 |
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.