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 |
|---|---|---|---|---|---|
| CHESTER CREEK EASTBOUND | Alaska | Good | 2008 | 22.7 m | 1,220 |
| SKAGWAY RIVER | Alaska | Fair | 1974 | 146.9 m | 1,200 |
| CRAB CREEK CULVERT | Alaska | Poor | 1985 | 7.9 m | 1,200 |
| WASILLA CR NB RAMP | Alaska | Good | 2002 | 35.7 m | 1,190 |
| SALMON CREEK | Alaska | Fair | 1972 | 33.6 m | 1,180 |
| CARIBOU CREEK | Alaska | Good | 2004 | 160.0 m | 1,160 |
| NORTH FORK ANCHOR RIVER | Alaska | Fair | 1985 | 13.1 m | 1,150 |
| CHULITNA RIVER | Alaska | Fair | 1970 | 240.8 m | 1,120 |
| TROUBLESOME CREEK | Alaska | Fair | 1970 | 40.5 m | 1,120 |
| BYERS CREEK | Alaska | Fair | 1970 | 41.7 m | 1,120 |
| EYAK RIVER | Alaska | Poor | 1954 | 77.7 m | 1,110 |
| CHICKALOON RIVER | Alaska | Good | 2016 | 107.6 m | 1,110 |
| PURINTON CREEK | Alaska | Fair | 1957 | 6.7 m | 1,110 |
| NENANA RIVER AT WINDY | Alaska | Fair | 1974 | 118.7 m | 1,090 |
| FAIRBANKS MINING RD U.C. | Alaska | Good | 2001 | 37.0 m | 1,090 |
| CARLO CREEK | Alaska | Fair | 1973 | 23.6 m | 1,090 |
| FORKS CREEK NO. 2 | Alaska | Good | 1983 | 6.7 m | 1,080 |
| E-N LOOP RAMP | Alaska | Fair | 1994 | 52.6 m | 1,070 |
| TRAPPER CREEK | Alaska | Fair | 1967 | 11.6 m | 1,040 |
| LITTLE SUSITNA RIVER | Alaska | Good | 1991 | 36.6 m | 1,030 |
| REVILLA AIRPORT F.T. II | Alaska | Good | 2024 | 89.0 m | 1,023 |
| REVILLA AIRPORT F.T. I | Alaska | Fair | 1988 | 51.2 m | 1,023 |
| SALMON RIVER | Alaska | Poor | 1976 | 48.2 m | 1,020 |
| GRANT STREET VIADUCT | Alaska | Fair | 1970 | 64.9 m | 1,016 |
| JULIUS CREEK | Alaska | Good | 2007 | 25.9 m | 1,010 |
| EAGLE RIVER | Alaska | Fair | 1998 | 120.0 m | 1,000 |
| SNAKE RIVER | Alaska | Good | 2013 | 96.9 m | 1,000 |
| EAGLE RIVER W FRONTAGE | Alaska | Fair | 1974 | 126.9 m | 1,000 |
| CHANNEL B NB FRONTAGE RD | Alaska | Good | 2002 | 15.2 m | 1,000 |
| SHAW CREEK | Alaska | Good | 2011 | 54.9 m | 1,000 |
| BANNER CREEK | Alaska | Good | 2016 | 56.4 m | 1,000 |
| PYRAMID CREEK | Alaska | Fair | 2001 | 12.2 m | 976 |
| LITTLE COAL CREEK | Alaska | Fair | 1969 | 81.7 m | 970 |
| OPHIR CREEK | Alaska | Good | 1998 | 24.1 m | 960 |
| GOLD CREEK NINTH ST | Alaska | Fair | 1934 | 14.3 m | 953 |
| SPRUCE CREEK | Alaska | Good | 2006 | 26.0 m | 950 |
| LOWELL CREEK | Alaska | Fair | 1991 | 25.0 m | 950 |
| SKAGWAY FERRY TERMINAL | Alaska | Poor | 1980 | 53.3 m | 947 |
| HURRICANE GULCH | Alaska | Fair | 1971 | 170.2 m | 940 |
| HONOLULU CREEK | Alaska | Fair | 1971 | 36.7 m | 940 |
| HARDAGE CREEK | Alaska | Poor | 1971 | 7.9 m | 940 |
| SALCHA RIVER | Alaska | Fair | 1967 | 153.7 m | 930 |
| CLEAR CREEK | Alaska | Fair | 1967 | 14.3 m | 930 |
| MUNSON SLOUGH | Alaska | Fair | 1967 | 19.2 m | 930 |
| LITTLE SALCHA RIVER | Alaska | Fair | 1967 | 28.0 m | 930 |
| YAKUTAT CITY DOCK | Alaska | Fair | 1981 | 132.6 m | 926 |
| PORTAGE CR OVERFLOW NO 1 | Alaska | Fair | 1965 | 25.3 m | 920 |
| PORTAGE CR OVERFLOW NO 2 | Alaska | Fair | 1965 | 34.7 m | 920 |
| PORTAGE CR OVERFLOW NO 3 | Alaska | Fair | 1966 | 25.3 m | 920 |
| NENANA RIVER AT REX | Alaska | Poor | 1963 | 155.4 m | 910 |
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.