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 |
|---|---|---|---|---|---|
| BEAR CREEK | Alaska | Fair | 1965 | 24.7 m | 910 |
| REX OVERHEAD | Alaska | Good | 2006 | 21.8 m | 910 |
| CHATANIKA RIVER | Alaska | Fair | 1971 | 75.9 m | 910 |
| EAST FORK CHULITNA RIVER | Alaska | Fair | 1967 | 43.5 m | 900 |
| MIDDLE FORK CHULITNA RIV | Alaska | Good | 2016 | 110.6 m | 900 |
| PASS CREEK | Alaska | Fair | 1965 | 40.1 m | 900 |
| JACK RIVER | Alaska | Fair | 1965 | 60.0 m | 900 |
| BROAD PASS OVERHEAD | Alaska | Good | 2016 | 110.6 m | 900 |
| SUMMIT OVERHEAD | Alaska | Good | 2006 | 44.4 m | 900 |
| GULKANA RIVER | Alaska | Poor | 1974 | 123.4 m | 880 |
| LITTLE SUSITNA RIVER | Alaska | Fair | 1993 | 67.1 m | 875 |
| GOLDSTREAM CREEK | Alaska | Fair | 1972 | 34.5 m | 870 |
| WASILLA CREEK | Alaska | Fair | 2006 | 12.8 m | 850 |
| HOMER CITY DOCK | Alaska | Fair | 2002 | 383.4 m | 850 |
| PORTAGE CREEK | Alaska | Good | 1999 | 116.5 m | 830 |
| PLACER CREEK | Alaska | Good | 1999 | 40.0 m | 830 |
| HERRING COVE | Alaska | Good | 2022 | 40.0 m | 820 |
| FORKS CREEK | Alaska | Fair | 1938 | 8.5 m | 820 |
| LITTLE NELCHINA RIVER | Alaska | Good | 1973 | 86.9 m | 820 |
| LOWE RIVER LOWER CROSS | Alaska | Fair | 1974 | 139.5 m | 810 |
| LOWE RIVER UPPER CROSS | Alaska | Good | 1985 | 147.7 m | 810 |
| SHEEP CREEK | Alaska | Fair | 1961 | 58.8 m | 810 |
| LOWE RIVER LWR KEYSTONE | Alaska | Poor | 1980 | 92.4 m | 810 |
| LOWE RIVER UPR KEYSTONE | Alaska | Good | 1980 | 92.4 m | 810 |
| JORDAN CREEK (JORDAN AV) | Alaska | Good | 2009 | 15.8 m | 790 |
| GUNNUK CREEK | Alaska | Fair | 1981 | 39.6 m | 770 |
| LITTLE NELCHINA RIVER | Alaska | Fair | 1952 | 55.8 m | 765 |
| KING SALMON CREEK | Alaska | Good | 1960 | 46.1 m | 760 |
| MENDELTNA CREEK | Alaska | Fair | 1977 | 27.1 m | 760 |
| TWIN CREEK | Alaska | Good | 1996 | 29.0 m | 760 |
| SAWMILL CREEK | Alaska | Fair | 1995 | 42.4 m | 750 |
| FISH CREEK | Alaska | Fair | 1950 | 44.5 m | 740 |
| FRONT ST/SPRUCE MILL WAY | Alaska | Good | 1969 | 161.5 m | 735 |
| MIRROR LAKE OVERCROSSING | Alaska | Fair | 1977 | 56.1 m | 720 |
| HEALY OVERHEAD | Alaska | Fair | 1971 | 36.8 m | 720 |
| NO NAME CREEK | Alaska | Good | 1972 | 7.1 m | 720 |
| NENANA RIVER AT HEALY | Alaska | Fair | 1971 | 151.9 m | 720 |
| GUSTAVUS DOCK | Alaska | Good | 2010 | 312.1 m | 710 |
| TOLSONA CREEK | Alaska | Good | 2013 | 35.4 m | 710 |
| BENNETT CREEK | Alaska | Good | 1985 | 26.8 m | 680 |
| MEADOW CREEK 2 | Alaska | Good | 2015 | 9.8 m | 670 |
| BODENBURG CREEK | Alaska | Fair | 1980 | 6.9 m | 660 |
| WATER ST NO 2 | Alaska | Good | 2018 | 213.4 m | 650 |
| WATER ST NO 3 | Alaska | Good | 2017 | 22.9 m | 650 |
| TAZLINA RIVER | Alaska | Fair | 1973 | 143.0 m | 640 |
| PETERSON CREEK | Alaska | Fair | 1986 | 24.7 m | 630 |
| MINERAL CREEK | Alaska | Good | 1982 | 97.5 m | 620 |
| AMERICAN RIVER | Alaska | Fair | 1974 | 47.8 m | 600 |
| SMALL CREEK | Alaska | Fair | 1974 | 19.2 m | 600 |
| SALONIE CREEK NO. 1 | Alaska | Fair | 1980 | 34.7 m | 600 |
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.