Browse Bridge Database
4,646 bridges in the FHWA National Bridge Inventory in Idaho.
National Bridge Inventory Database
Browse 4,646 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 |
|---|---|---|---|---|---|
| M.FK. BOISE RIVER | Idaho | Fair | 1958 | 15.5 m | 30 |
| FARMERS COOP CANAL | Idaho | Good | 2010 | 17.7 m | 30 |
| SQUAW CREEK | Idaho | Good | 2018 | 24.7 m | 30 |
| E.FK.JARBIDGE RIVER | Idaho | Fair | 1979 | 11.9 m | 30 |
| N.FK.BOULDER CREEK | Idaho | Good | 2023 | 17.3 m | 30 |
| JORDAN CREEK | Idaho | Fair | 2012 | 15.5 m | 30 |
| MEADOW CR;SPENCER RES BR | Idaho | Fair | 1992 | 6.1 m | 30 |
| LITTLE WILLOW CREEK | Idaho | Fair | 1950 | 12.5 m | 30 |
| RUSH CREEK | Idaho | Fair | 1987 | 7.0 m | 30 |
| KEITHLY CREEK | Idaho | Good | 1995 | 7.6 m | 30 |
| KEITHLEY CREEK | Idaho | Fair | 1974 | 10.7 m | 30 |
| RUSH CREEK | Idaho | Fair | 2002 | 11.9 m | 30 |
| DEER CREEK | Idaho | Good | 1997 | 9.1 m | 30 |
| DIXIE CREEK | Idaho | Good | 2024 | 25.9 m | 30 |
| S.FK. CRANE CREEK | Idaho | Fair | 1970 | 12.5 m | 30 |
| CRANE CREEK | Idaho | Fair | 2001 | 28.0 m | 30 |
| JIM FORD CR;SE WEIPPE BR | Idaho | Good | 2015 | 7.3 m | 30 |
| COTTONWOOD CREEK | Idaho | Good | 2020 | 7.3 m | 30 |
| COTTONWOOD CREEK | Idaho | Poor | 1960 | 9.1 m | 30 |
| SALMON RIVER;LUCILLE BR | Idaho | Fair | 1937 | 103.9 m | 30 |
| LOLO CREEK | Idaho | Good | 1981 | 19.8 m | 30 |
| LOLO CREEK | Idaho | Good | 2007 | 22.3 m | 30 |
| ROCK CREEK | Idaho | Good | 1998 | 30.2 m | 30 |
| SALMON RIVER | Idaho | Fair | 1973 | 121.9 m | 30 |
| HATTER CREEK | Idaho | Fair | 1991 | 13.7 m | 30 |
| HATTER CREEK | Idaho | Fair | 1984 | 8.5 m | 30 |
| BIG BEAR CREEK | Idaho | Fair | 1940 | 23.8 m | 30 |
| PALOUSE RIVER | Idaho | Fair | 1980 | 24.4 m | 30 |
| HATTER CR;SW.PRINCETON B | Idaho | Fair | 1975 | 11.0 m | 30 |
| MIDDLE POTLATCH CREEK | Idaho | Fair | 1940 | 16.2 m | 30 |
| COW CREEK | Idaho | Fair | 1935 | 7.9 m | 30 |
| MEADOW CREEK | Idaho | Good | 1993 | 9.1 m | 30 |
| THORN CREEK | Idaho | Fair | 1935 | 8.5 m | 30 |
| DEEP CREEK | Idaho | Fair | 1965 | 9.1 m | 30 |
| HATTER CREEK | Idaho | Fair | 1970 | 7.3 m | 30 |
| HATTER CREEK | Idaho | Fair | 1982 | 8.5 m | 30 |
| HATTER CREEK | Idaho | Fair | 1965 | 7.9 m | 30 |
| HATTER CREEK | Idaho | Fair | 1970 | 9.1 m | 30 |
| HATTER CREEK | Idaho | Fair | 1970 | 9.1 m | 30 |
| HATTER CREEK | Idaho | Fair | 1970 | 9.8 m | 30 |
| S.FK.PALOUSE RIVER | Idaho | Fair | 1970 | 7.0 m | 30 |
| COW CREEK;LAGOON BR | Idaho | Fair | 1932 | 6.7 m | 30 |
| COW CREEK | Idaho | Fair | 1970 | 15.5 m | 30 |
| PINE CREEK | Idaho | Fair | 1929 | 12.2 m | 30 |
| HANGMAN CREEK | Idaho | Fair | 1979 | 18.7 m | 30 |
| BENEWAH CREEK | Idaho | Good | 2022 | 10.7 m | 30 |
| LITTLE HANGMAN CREEK | Idaho | Fair | 2004 | 17.1 m | 30 |
| LITTLE HANGMAN CREEK | Idaho | Good | 1950 | 19.5 m | 30 |
| HANGMAN CREEK | Idaho | Poor | 1981 | 17.0 m | 30 |
| N.FK.EAST RIVER | Idaho | Poor | 1939 | 37.2 m | 30 |
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.