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 |
|---|---|---|---|---|---|
| CANYON CREEK | Idaho | Good | 1976 | 6.4 m | 190 |
| WEISER RIVER;COUNCIL BR. | Idaho | Fair | 1956 | 36.6 m | 190 |
| NORTH HORNET CREEK | Idaho | Good | 1962 | 8.5 m | 190 |
| SALEM UNION CANAL | Idaho | Fair | 1980 | 7.0 m | 190 |
| N.FK.CLEARWATER;DENT BR | Idaho | Fair | 1971 | 474.9 m | 190 |
| ELK CREEK | Idaho | Good | 2003 | 17.4 m | 190 |
| PAHSIMEROI RIVER | Idaho | Fair | 1978 | 27.4 m | 190 |
| BIG CANYON CREEK | Idaho | Fair | 1930 | 32.6 m | 190 |
| BEAR LAKE OUTLET CANAL | Idaho | Good | 2009 | 42.4 m | 190 |
| ST MARIES RIVER | Idaho | Fair | 1978 | 18.6 m | 190 |
| GREAT WESTERN CANAL | Idaho | Fair | 2001 | 6.7 m | 190 |
| E.BR.SNAKE R.VALLEY CNL | Idaho | Fair | 1965 | 7.9 m | 190 |
| PEOPLES CANAL | Idaho | Fair | 1999 | 10.1 m | 190 |
| ABERDEEN SPRINGFIELD CNL | Idaho | Poor | 1964 | 28.0 m | 190 |
| OROFINO CREEK | Idaho | Fair | 1978 | 9.4 m | 190 |
| OROFINO CREEK | Idaho | Fair | 2000 | 16.5 m | 190 |
| OROFINO CREEK | Idaho | Fair | 2000 | 16.2 m | 190 |
| OROFINO CREEK | Idaho | Fair | 1974 | 9.4 m | 190 |
| LEMHI RIVER;17 MILE BR | Idaho | Good | 1977 | 23.2 m | 190 |
| WILLOW CREEK | Idaho | Fair | 1989 | 6.6 m | 190 |
| INDIAN CREEK | Idaho | Good | 2004 | 9.4 m | 190 |
| S CANAL | Idaho | Good | 2017 | 15.9 m | 190 |
| SNAKE RIVER;SW BLISS BR | Idaho | Poor | 1977 | 57.9 m | 190 |
| LIBERTY PARK CANAL | Idaho | Fair | 2001 | 8.2 m | 190 |
| LOW LINE CANAL | Idaho | Fair | 1967 | 23.5 m | 190 |
| LOW LINE CANAL | Idaho | Fair | 1968 | 34.7 m | 190 |
| TETON RIVER(WHITE BR) | Idaho | Fair | 1983 | 22.9 m | 190 |
| LEMHI RIVER | Idaho | Good | 1972 | 7.0 m | 180 |
| EIGHTEEN MILE CREEK | Idaho | Good | 2019 | 9.8 m | 180 |
| EAGLE ROCK CANAL | Idaho | Good | 1968 | 11.6 m | 180 |
| MISSION CREEK | Idaho | Fair | 1947 | 13.1 m | 180 |
| MISSION CREEK | Idaho | Good | 2016 | 24.4 m | 180 |
| FALL RIVER | Idaho | Fair | 1983 | 62.8 m | 180 |
| LAPWAI CREEK | Idaho | Poor | 1935 | 18.6 m | 180 |
| MARYSVILLE CANAL | Idaho | Fair | 1991 | 14.9 m | 180 |
| ANDERSON CANAL | Idaho | Fair | 1968 | 7.3 m | 180 |
| FARMERS COOP SEBREE CNL | Idaho | Fair | 1954 | 10.1 m | 180 |
| TETON CANAL | Idaho | Fair | 1980 | 11.9 m | 180 |
| LAWRENCE KENNEDY CANAL | Idaho | Fair | 1974 | 9.1 m | 180 |
| GALLOWAY CANAL | Idaho | Good | 2001 | 8.8 m | 180 |
| WEISER RIVER | Idaho | Poor | 1910 | 92.4 m | 180 |
| HENRYS FK SNAKE RIVER | Idaho | Good | 2015 | 82.3 m | 175 |
| RIVERSIDE CANAL | Idaho | Fair | 1995 | 9.1 m | 170 |
| ROCK CREEK | Idaho | Good | 1998 | 21.3 m | 170 |
| FARMERS COOP CANAL | Idaho | Fair | 1950 | 9.1 m | 170 |
| NOBLE CANAL | Idaho | Fair | 1966 | 7.6 m | 170 |
| BIG LOST RIVER | Idaho | Fair | 1973 | 18.0 m | 170 |
| SALMON RIVER;BAYHORSE CR | Idaho | Fair | 1930 | 37.2 m | 170 |
| LONG ISLAND CANAL | Idaho | Fair | 1969 | 12.5 m | 170 |
| WILLOW CREEK | Idaho | Fair | 1945 | 18.3 m | 170 |
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.