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 |
|---|---|---|---|---|---|
| SPENCER CREEK | Alaska | Fair | 1996 | 12.4 m | 30 |
| BLOWBACK CREEK | Alaska | Good | 2016 | 32.0 m | 30 |
| GOLDSTREAM CREEK | Alaska | Poor | 1994 | 19.5 m | 30 |
| STREAM | Alaska | Fair | 1987 | 25.6 m | 30 |
| STREAM | Alaska | Good | 1987 | 17.7 m | 30 |
| LITTLE SUSITNA RIV TRIB | Alaska | Good | 2012 | 18.9 m | 30 |
| STREAM | Alaska | Fair | 1987 | 18.3 m | 30 |
| CACHE CREEK | Alaska | Good | 2003 | 10.9 m | 30 |
| RUSHING CREEK | Alaska | Fair | 1985 | 24.7 m | 30 |
| KALTAG RIVER | Alaska | Fair | 2004 | 49.7 m | 30 |
| BODENBURG CREEK | Alaska | Poor | 2002 | 10.0 m | 30 |
| STANDARD CREEK | Alaska | Poor | 2006 | 9.1 m | 30 |
| FORTUNE CREEK | Alaska | Good | 2023 | 12.8 m | 30 |
| KARI CREEK | Alaska | Fair | 1996 | 13.9 m | 30 |
| SLIDE | Alaska | Fair | 2002 | 32.3 m | 30 |
| GOVERNMENT CREEK | Alaska | Good | 2008 | 43.6 m | 30 |
| GRAVINA CREEK | Alaska | Good | 2008 | 19.2 m | 30 |
| BREACH BRIDGE | Alaska | Good | 2008 | 26.0 m | 30 |
| HARDING STREET | Alaska | Poor | 1968 | 10.1 m | 30 |
| PETERSON STREET | Alaska | Poor | 1955 | 12.5 m | 30 |
| KELTY FIELD | Alaska | Good | 1999 | 7.7 m | 30 |
| UNNAMED CREEK | Alaska | Fair | 2020 | 8.8 m | 30 |
| IRR ROUTE 1017 | Alaska | Good | 2020 | 7.0 m | 30 |
| UNNAMED CREEK | Alaska | Good | 2020 | 7.0 m | 30 |
| CLEAR CREEK | Alaska | Fair | 2000 | 14.5 m | 25 |
| BRANCH DELTA RIVER | Alaska | Fair | 1962 | 16.3 m | 25 |
| BRANCH OF DELTA RIVER | Alaska | Good | 2022 | 23.1 m | 25 |
| BRANCH DELTA RIVER | Alaska | Good | 2022 | 22.5 m | 25 |
| UNNAMED TIDAL RIVER | Alaska | Fair | 2003 | 64.1 m | 25 |
| OBRIEN CREEK | Alaska | Fair | 1993 | 18.9 m | 25 |
| WRANGELL FERRY TERMINAL | Alaska | Fair | 1987 | 42.7 m | 22 |
| CRIPPLE RIVER | Alaska | Fair | 1962 | 35.7 m | 20 |
| NORTH FORK KING SOLOMON | Alaska | Fair | 1988 | 33.5 m | 20 |
| COLUMBIA CREEK | Alaska | Fair | 1988 | 18.3 m | 20 |
| AMERICAN CREEK NO 1 | Alaska | Poor | 1988 | 33.5 m | 20 |
| AMERICAN CREEK NO 2 | Alaska | Fair | 1988 | 33.5 m | 20 |
| BAYVIEW STREET VIADUCT | Alaska | Good | 2011 | 43.3 m | 20 |
| GATE CREEK | Alaska | Good | 2014 | 15.2 m | 20 |
| ATKA DOCK CREEK | Alaska | Good | 1997 | 27.2 m | 20 |
| LITTLE CHENA RIVER | Alaska | Poor | 1980 | 29.0 m | 20 |
| DUNBAR CREEK | Alaska | Good | 2000 | 9.1 m | 20 |
| DISTIN ST VIADUCT AT 8TH | Alaska | Fair | 1992 | 28.0 m | 20 |
| ILIAMNA RIVER | Alaska | Good | 2019 | 68.0 m | 20 |
| MOD | Alaska | Fair | 1990 | 21.3 m | 20 |
| STARISKI CREEK | Alaska | Fair | 1996 | 15.7 m | 20 |
| LIEF CREEK | Alaska | Fair | 2007 | 12.6 m | 20 |
| PERM | Alaska | Good | 1984 | 18.6 m | 20 |
| MOD | Alaska | Fair | 1978 | 23.5 m | 20 |
| MOD | Alaska | Poor | 2005 | 12.2 m | 20 |
| OTTER CREEK | Alaska | Fair | 2007 | 16.1 m | 20 |
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.