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 |
|---|---|---|---|---|---|
| GEORGES CREEK | Alaska | Fair | 1997 | 9.8 m | 10 |
| FALSE PASS DOCK | Alaska | Fair | 1992 | 149.4 m | 10 |
| AKUTAN CITY DOCK | Alaska | Fair | 1992 | 31.4 m | 10 |
| MOOSE CREEK | Alaska | Poor | 1998 | 19.5 m | 10 |
| CITY CREEK | Alaska | Good | 2000 | 27.4 m | 10 |
| BOSTON CREEK | Alaska | Good | 2005 | 35.4 m | 10 |
| GRANITE CREEK | Alaska | Good | 2005 | 23.2 m | 10 |
| MUNSON SLOUGH | Alaska | Fair | 1958 | 7.7 m | 10 |
| WILLOW CREEK | Alaska | Poor | 1945 | 12.6 m | 10 |
| SWIFTWATER CREEK | Alaska | Fair | 2004 | 14.3 m | 10 |
| KROTO CREEK | Alaska | Good | 2015 | 67.0 m | 10 |
| TWIN CREEK | Alaska | Good | 2010 | 12.2 m | 10 |
| COTTONWOOD CREEK | Alaska | Good | 2010 | 18.3 m | 10 |
| LITTLE SUSITNA RIV TRIB | Alaska | Good | 2016 | 26.3 m | 10 |
| SAWYER CREEK | Alaska | Good | 2010 | 12.2 m | 10 |
| CASTLE CREEK | Alaska | Good | 2024 | 27.8 m | 10 |
| LEASK CREEK | Alaska | Good | 2024 | 27.8 m | 10 |
| WOLF RUN CREEK | Alaska | Good | 2024 | 18.7 m | 10 |
| TWENTY-THREE MILE SLOUGH | Alaska | Fair | 2004 | 13.7 m | 10 |
| EAST BANK SLOUGH | Alaska | Good | 2015 | 15.2 m | 10 |
| SPRUCE LANE BRIDGE | Alaska | Good | 2014 | 12.2 m | 10 |
| TONG ROAD BRIDGE | Alaska | Good | 2015 | 12.2 m | 10 |
| HARRY HALL CREEK | Alaska | Good | 2015 | 18.3 m | 10 |
| UPPER SALT CREEK | Alaska | Good | 2024 | 27.8 m | 10 |
| BOSTWICK NO. 1 | Alaska | Fair | 2006 | 12.2 m | 10 |
| BOSTWICK NO. 2 | Alaska | Fair | 2006 | 6.4 m | 10 |
| BOSTWICK NO. 3 | Alaska | Fair | 2006 | 7.9 m | 10 |
| BOSTWICK NO. 4 | Alaska | Fair | 2006 | 9.4 m | 10 |
| BOSTWICK NO. 5 | Alaska | Fair | 2006 | 13.0 m | 10 |
| BOSTWICK NO. 6 | Alaska | Fair | 2006 | 11.6 m | 10 |
| HIGH MOUNTAIN CREEK | Alaska | Good | 2018 | 12.2 m | 10 |
| CALIFORNIA CREEK | Alaska | Good | 2018 | 12.2 m | 10 |
| ROSA REEF CREEK | Alaska | Good | 2018 | 15.2 m | 10 |
| MICRO CREEK | Alaska | Good | 2018 | 12.2 m | 10 |
| LITTLE CREEK | Alaska | Good | 2018 | 12.2 m | 10 |
| VALLENAR CREEK | Alaska | Good | 2018 | 24.4 m | 10 |
| UPPER CATHEDRAL FALLS | Alaska | Good | 1983 | 36.6 m | 10 |
| UPPER HAMILTON RIVER | Alaska | Good | 1983 | 24.4 m | 10 |
| RAINBOW CREEK | Alaska | Fair | 1983 | 18.3 m | 10 |
| CREEK NAME NOT LISTED | Alaska | Fair | 1981 | 24.6 m | 10 |
| CREEK NAME NOT LISTED | Alaska | Fair | 1980 | 12.4 m | 10 |
| 12 MILE CREEK | Alaska | Good | 2021 | 24.4 m | 10 |
| CREEK NAME NOT LISTED | Alaska | Good | 1996 | 18.5 m | 10 |
| CREEK NAME NOT LISTED | Alaska | Good | 1997 | 18.5 m | 10 |
| PORTAGE CREEK | Alaska | Fair | 1996 | 27.7 m | 10 |
| CREEK NAME NOT LISTED | Alaska | Fair | 1981 | 12.4 m | 10 |
| MUSKEG CREEK | Alaska | Poor | 1981 | 15.4 m | 10 |
| PORTAGE CREEK | Alaska | Fair | 1981 | 24.6 m | 10 |
| HARRY HALL CREEK | Alaska | Good | 2022 | 18.4 m | 10 |
| CRANE FLATS CREEK | Alaska | Good | 2016 | 16.8 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.