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 |
|---|---|---|---|---|---|
| SWEETWATER CREEK | Idaho | Good | 2007 | 16.8 m | 10 |
| COTTONWOOD CREEK | Idaho | Fair | 1975 | 9.1 m | 10 |
| RESERVATION CANAL | Idaho | Fair | 1987 | 12.2 m | 10 |
| GRAYS LAKE OUTLET | Idaho | Fair | 1947 | 9.8 m | 10 |
| TIN CUP CREEK | Idaho | Good | 1989 | 8.5 m | 10 |
| RICHFIELD CANAL | Idaho | Poor | 1932 | 31.1 m | 10 |
| SOLDIER CREEK | Idaho | Good | 2018 | 7.6 m | 10 |
| N.GOODING MAIN CANAL | Idaho | Fair | 1985 | 9.1 m | 10 |
| NORTHSIDE MAIN CANAL | Idaho | Fair | 2013 | 18.6 m | 10 |
| BIG WOOD RIVER | Idaho | Poor | 1945 | 28.0 m | 10 |
| LINCOLN CANAL | Idaho | Good | 1980 | 13.7 m | 10 |
| MAIN DRAIN | Idaho | Good | 2023 | 7.9 m | 10 |
| KING HILL MAIN CANAL | Idaho | Fair | 1977 | 16.2 m | 10 |
| M.FK.WEISER RIVER | Idaho | Good | 1977 | 9.4 m | 10 |
| M.FK.WEISER RIVER | Idaho | Good | 1951 | 18.9 m | 10 |
| MIDDLE FK WEISER RIVER | Idaho | Good | 2022 | 18.3 m | 10 |
| LITTLE SALMON RIVER | Idaho | Fair | 2000 | 10.4 m | 10 |
| FEATHER RIVER | Idaho | Good | 2010 | 19.8 m | 10 |
| SHEEP CREEK | Idaho | Good | 1995 | 9.1 m | 10 |
| DEEP CREEK | Idaho | Fair | 1940 | 8.5 m | 10 |
| COUGAR CREEK | Idaho | Fair | 1940 | 10.1 m | 10 |
| LAKE CREEK | Idaho | Fair | 1950 | 10.1 m | 10 |
| STEAMBOAT CREEK | Idaho | Fair | 1999 | 18.3 m | 10 |
| ANTELOPE CREEK | Idaho | Good | 1966 | 9.1 m | 10 |
| ANTELOPE CREEK | Idaho | Fair | 1966 | 9.1 m | 10 |
| ANTELOPE CREEK | Idaho | Good | 1966 | 9.8 m | 10 |
| CAMAS CREEK | Idaho | Fair | 1956 | 15.8 m | 10 |
| MEDICINE LODGE CR | Idaho | Fair | 2007 | 10.1 m | 10 |
| WEST CAMAS CREEK | Idaho | Fair | 2007 | 18.3 m | 10 |
| BIRCH CREEK | Idaho | Fair | 2001 | 6.7 m | 10 |
| CROSSCUT CANAL | Idaho | Poor | 1937 | 10.4 m | 10 |
| MARYSVILLE CANAL | Idaho | Poor | 1976 | 7.6 m | 10 |
| SQUIRREL CREEK | Idaho | Fair | 1994 | 11.0 m | 10 |
| N. BRANCH FALL RIVER CNL | Idaho | Poor | 1932 | 7.3 m | 10 |
| FALL RIVER OVERFLOW | Idaho | Poor | 1932 | 7.3 m | 10 |
| TRAIL CREEK | Idaho | Fair | 2009 | 10.1 m | 10 |
| S.FK. CLEARWATER RIVER | Idaho | Fair | 1934 | 31.7 m | 10 |
| SOUTH FORK SALMON RIVER | Idaho | Poor | 1934 | 94.5 m | 10 |
| LOGAN CREEK | Idaho | Good | 2012 | 17.1 m | 10 |
| BIG CREEK | Idaho | Good | 2014 | 15.5 m | 10 |
| BIG CREEK | Idaho | Fair | 2016 | 14.9 m | 10 |
| PROFILE CREEK | Idaho | Fair | 2010 | 10.7 m | 10 |
| KENNALLY CREEK | Idaho | Good | 1985 | 10.6 m | 10 |
| ST ANTHONY CANAL | Idaho | Good | 1990 | 6.4 m | 10 |
| ST ANTHONY CANAL | Idaho | Fair | 1992 | 7.0 m | 10 |
| CAMAS CREEK | Idaho | Good | 1980 | 11.3 m | 10 |
| SELWAY RIVER | Idaho | Good | 1935 | 29.6 m | 10 |
| DEEP CR | Idaho | Fair | 1938 | 20.1 m | 10 |
| DEEP CR | Idaho | Fair | 1964 | 11.0 m | 10 |
| NO DATA ENTERED | Idaho | Good | 2011 | 14.3 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.