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 |
|---|---|---|---|---|---|
| TOK RIVER OVERFLOW | Alaska | Good | 1963 | 8.4 m | 330 |
| TOK RIVER OVERFLOW NO. 2 | Alaska | Fair | 1963 | 7.9 m | 330 |
| CLEARWATER CREEK | Alaska | Good | 2006 | 32.0 m | 330 |
| TULSONA CREEK | Alaska | Good | 2016 | 45.0 m | 330 |
| SWAN LAKE | Alaska | Fair | 1985 | 9.8 m | 320 |
| KOTZEBUE SLOUGH | Alaska | Fair | 1985 | 54.8 m | 320 |
| SMALL CREEK | Alaska | Fair | 1973 | 11.2 m | 320 |
| SAWMILL CREEK | Alaska | Fair | 1989 | 24.4 m | 320 |
| DUKE CREEK | Alaska | Good | 1999 | 8.8 m | 310 |
| LITTLE SALT CREEK | Alaska | Good | 1998 | 31.1 m | 310 |
| BLACK BEAR CREEK | Alaska | Fair | 1998 | 39.9 m | 310 |
| DIXON ST VIADUCT AT 9TH | Alaska | Fair | 1983 | 21.9 m | 300 |
| NO DATA ENTERED | Alaska | Good | 2024 | 21.3 m | 300 |
| UNNAMED TIDAL SLOUGH | Alaska | Fair | 2002 | 17.7 m | 300 |
| STONY CREEK | Alaska | Fair | 1957 | 32.9 m | 300 |
| EAST FORK TOKLAT RIVER | Alaska | Fair | 1955 | 86.3 m | 300 |
| GHIGLIONE CREEK | Alaska | Fair | 1960 | 42.4 m | 300 |
| TOKLAT RIVER | Alaska | Fair | 1987 | 131.1 m | 300 |
| FRENCH CREEK | Alaska | Fair | 1990 | 6.6 m | 300 |
| RESURRECTION CREEK | Alaska | Fair | 1969 | 74.1 m | 300 |
| NO DATA ENTERED | Alaska | Good | 2024 | 38.1 m | 300 |
| TOKLAT RIVER | Alaska | Fair | 1987 | 131.1 m | 300 |
| TONSINA RIVER | Alaska | Fair | 1957 | 77.4 m | 290 |
| SQUIRREL CREEK | Alaska | Good | 1973 | 15.8 m | 290 |
| PHELAN CREEK | Alaska | Good | 2014 | 36.6 m | 280 |
| MCCALLUM CREEK | Alaska | Fair | 1954 | 10.2 m | 280 |
| UPPER MILLER CREEK | Alaska | Poor | 1958 | 55.8 m | 280 |
| LOWER MILLER CREEK | Alaska | Fair | 1958 | 46.4 m | 280 |
| CASTNER CREEK | Alaska | Poor | 1958 | 46.6 m | 280 |
| TRIMS CREEK | Alaska | Fair | 1954 | 11.4 m | 280 |
| MICHAEL CREEK | Alaska | Fair | 1954 | 10.2 m | 280 |
| FLOOD CREEK | Alaska | Fair | 1954 | 11.4 m | 280 |
| WHISTLER CREEK | Alaska | Fair | 1954 | 11.4 m | 280 |
| BOULDER CREEK | Alaska | Fair | 1954 | 11.4 m | 280 |
| LOWER SUZY Q CREEK | Alaska | Good | 1990 | 11.0 m | 280 |
| BARTELL CREEK | Alaska | Fair | 1980 | 12.5 m | 280 |
| BASIN ROAD TRESTLE | Alaska | Good | 1936 | 124.1 m | 280 |
| GOLD CREEK | Alaska | Fair | 1938 | 32.9 m | 280 |
| LITTLE TOK RIVER | Alaska | Fair | 1967 | 41.5 m | 280 |
| WOLVERINE CREEK | Alaska | Good | 1993 | 29.3 m | 280 |
| ILIAMNAVILLAGESPURRD_ROA | Alaska | Good | 1976 | 7.0 m | 275 |
| TOLOVANA RIVER | Alaska | Fair | 1969 | 35.1 m | 270 |
| TATALINA RIVER | Alaska | Good | 2002 | 36.6 m | 270 |
| HARRIS RIVER | Alaska | Fair | 1969 | 24.7 m | 270 |
| SITKUM CREEK | Alaska | Fair | 2011 | 34.1 m | 270 |
| WHITMAN CREEK | Alaska | Fair | 1962 | 44.8 m | 270 |
| 23RD AVENUE OC A ST | Alaska | Good | 1985 | 43.9 m | 270 |
| SWANSON RIVER | Alaska | Fair | 1966 | 64.4 m | 260 |
| BEAVER CREEK | Alaska | Fair | 1986 | 24.3 m | 260 |
| INDIAN RIVER | Alaska | Good | 1984 | 49.8 m | 260 |
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.