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 |
|---|---|---|---|---|---|
| NORTH FORK ANCHOR RIVER | Alaska | Good | 2021 | 10.5 m | 250 |
| KETCHIKAN BERTH II | Alaska | Fair | 1986 | 51.2 m | 250 |
| TANANA RIVER | Alaska | Good | 2010 | 275.1 m | 250 |
| SHOTTER CREEK | Alaska | Good | 1994 | 6.5 m | 250 |
| HESS CREEK | Alaska | Good | 2024 | 45.7 m | 250 |
| CRATER CREEK | Alaska | Good | 1983 | 30.5 m | 249 |
| GRAND CENTRAL RIVER | Alaska | Good | 1982 | 30.5 m | 249 |
| GUNNY SACK CREEK | Alaska | Fair | 1954 | 14.3 m | 240 |
| ONEMILE CREEK | Alaska | Good | 2012 | 33.5 m | 240 |
| DARLING CREEK | Alaska | Fair | 1952 | 24.9 m | 240 |
| BEAR CREEK | Alaska | Good | 2024 | 44.5 m | 240 |
| RUBY CREEK | Alaska | Good | 2017 | 43.9 m | 240 |
| FISH CREEK | Alaska | Good | 1985 | 58.5 m | 240 |
| SOUTH FORK FISH CREEK | Alaska | Good | 1985 | 8.2 m | 240 |
| TAIYA RIVER | Alaska | Fair | 1948 | 62.4 m | 238 |
| WEST CREEK | Alaska | Fair | 1992 | 49.7 m | 238 |
| CLARK BAY FERRY TERMINAL | Alaska | Good | 2015 | 40.1 m | 236 |
| SHEEP CREEK | Alaska | Good | 1985 | 6.1 m | 230 |
| YERRICK CREEK | Alaska | Fair | 1985 | 61.6 m | 230 |
| CATHEDRAL RAPIDS NO 1 | Alaska | Good | 1985 | 20.7 m | 230 |
| ROBERTSON RIVER | Alaska | Fair | 1944 | 603.2 m | 230 |
| CATHEDRAL RAPIDS NO 2 | Alaska | Good | 1985 | 20.7 m | 230 |
| CATHEDRAL RAPIDS NO 3 | Alaska | Good | 1985 | 20.7 m | 230 |
| BEAR CREEK | Alaska | Good | 1985 | 16.8 m | 230 |
| COTTONWOOD CREEK | Alaska | Good | 2024 | 15.4 m | 230 |
| MCCORMACK CREEK | Alaska | Good | 1998 | 43.9 m | 230 |
| HUNTER CREEK | Alaska | Fair | 1995 | 24.7 m | 230 |
| LIVENGOOD CREEK | Alaska | Fair | 2002 | 7.0 m | 230 |
| PAT CREEK | Alaska | Fair | 1973 | 31.7 m | 230 |
| LIVENGOOD CREEK | Alaska | Fair | 1979 | 19.5 m | 230 |
| SCOTTIE CREEK | Alaska | Fair | 1995 | 38.3 m | 220 |
| GARDINER CREEK | Alaska | Fair | 1983 | 36.3 m | 220 |
| AHTELL CREEK | Alaska | Good | 1993 | 33.5 m | 220 |
| PORCUPINE CREEK | Alaska | Good | 1982 | 12.5 m | 220 |
| SLANA RIVER | Alaska | Good | 2017 | 68.3 m | 220 |
| SLANA SLOUGH | Alaska | Good | 2006 | 37.2 m | 220 |
| MABEL CREEK | Alaska | Fair | 2006 | 37.2 m | 220 |
| CARLSON CREEK | Alaska | Good | 1991 | 12.5 m | 220 |
| MONASHKA CREEK | Alaska | Fair | 1972 | 30.9 m | 220 |
| KODIAK CITY DOCK | Alaska | Good | 2016 | 70.1 m | 216 |
| UNNAMED CREEK SITE 5 | Alaska | Good | 2019 | 6.1 m | 210 |
| MYRTLE CREEK | Alaska | Fair | 1974 | 28.7 m | 210 |
| CHATANIKA RIVER | Alaska | Good | 1967 | 96.7 m | 210 |
| CHISANA RIVER | Alaska | Fair | 1944 | 76.8 m | 210 |
| CAPTAIN CREEK | Alaska | Good | 1967 | 15.4 m | 210 |
| KOKOMO CREEK | Alaska | Good | 1967 | 15.5 m | 210 |
| FISH CAMP CREEK | Alaska | Poor | 1987 | 14.9 m | 210 |
| QUARTZ CREEK | Alaska | Good | 2024 | 61.6 m | 210 |
| DEER CREEK | Alaska | Fair | 2000 | 12.2 m | 208 |
| MILLAR ST VIADUCT | Alaska | Good | 2011 | 22.9 m | 200 |
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.