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 |
|---|---|---|---|---|---|
| ELDORADO CREEK | Idaho | Fair | 1963 | 9.8 m | 10 |
| LOLO CREEK | Idaho | Fair | 1962 | 12.3 m | 10 |
| WEITAS CREEK | Idaho | Good | 1985 | 30.7 m | 10 |
| LOLO CREEK | Idaho | Good | 2010 | 30.8 m | 10 |
| N FK PALOUSE | Idaho | Fair | 1963 | 8.5 m | 10 |
| MEADOW CREEK | Idaho | Fair | 1985 | 12.2 m | 10 |
| LAKE CREEK | Idaho | Fair | 1985 | 24.7 m | 10 |
| SAVAGE CREEK | Idaho | Poor | 2006 | 13.5 m | 10 |
| RED RIVER | Idaho | Fair | 1959 | 12.2 m | 10 |
| CROOKED CREEK | Idaho | Fair | 1959 | 8.5 m | 10 |
| ELK CREEK | Idaho | Good | 2021 | 16.2 m | 10 |
| PACK CREEK | Idaho | Good | 2012 | 9.8 m | 10 |
| PACK CREEK | Idaho | Good | 2012 | 12.5 m | 10 |
| FALL CREEK | Idaho | Fair | 1980 | 8.5 m | 10 |
| S. FK. BOISE RIVER | Idaho | Fair | 1957 | 53.7 m | 10 |
| NORTH FORK BOISE RIVER | Idaho | Good | 1977 | 25.9 m | 10 |
| PIKES FORK CREEK | Idaho | Fair | 1985 | 8.5 m | 10 |
| NORTH GOLD FORK RIVER | Idaho | Fair | 1967 | 7.3 m | 10 |
| DOLLAR CK | Idaho | Fair | 1976 | 9.1 m | 10 |
| WHITEHAWK CREEK | Idaho | Good | 1978 | 8.5 m | 10 |
| FIVE MILE CREEK | Idaho | Fair | 1981 | 9.8 m | 10 |
| CLEAR CREEK | Idaho | Good | 1966 | 12.2 m | 10 |
| CLEAR CREEK | Idaho | Fair | 1966 | 12.2 m | 10 |
| FAWN CREEK | Idaho | Good | 2011 | 8.5 m | 10 |
| SILVER CREEK | Idaho | Good | 2009 | 9.1 m | 10 |
| STUMP CREEK | Idaho | Fair | 1973 | 8.5 m | 10 |
| SEAFOAM CREEK | Idaho | Fair | 1968 | 8.2 m | 10 |
| FLOAT CREEK | Idaho | Fair | 1967 | 8.1 m | 10 |
| BEAVER CREEK | Idaho | Fair | 1967 | 9.3 m | 10 |
| LOON CREEK | Idaho | Fair | 1957 | 9.5 m | 10 |
| NELSON CREEK | Idaho | Fair | 1967 | 9.3 m | 10 |
| W.FK MAYFIELD CREEK | Idaho | Fair | 1968 | 8.2 m | 10 |
| W.FK. MAYFIELD CREEK | Idaho | Fair | 1968 | 9.9 m | 10 |
| W. FK. MAYFIELD CREEK | Idaho | Fair | 1967 | 6.7 m | 10 |
| KNAPP CREEK | Idaho | Fair | 1964 | 9.3 m | 10 |
| LITTLE LOST RIVER | Idaho | Fair | 1971 | 10.5 m | 10 |
| LITTLE LOST RIVER | Idaho | Good | 1966 | 8.1 m | 10 |
| COTTONWOOD CK | Idaho | Fair | 1966 | 7.6 m | 10 |
| CARMEN CREEK | Idaho | Fair | 1961 | 6.7 m | 10 |
| BEAR VALLEY CREEK | Idaho | Poor | 1960 | 7.5 m | 10 |
| HAYDEN CREEK | Idaho | Good | 1974 | 9.4 m | 10 |
| BEAR VALLEY CREEK | Idaho | Fair | 1966 | 7.3 m | 10 |
| E. FORK HAYDEN CREEK | Idaho | Good | 1974 | 8.2 m | 10 |
| TWIN CREEK | Idaho | Good | 2007 | 8.7 m | 10 |
| WYOMING CREEK | Idaho | Fair | 1975 | 6.7 m | 10 |
| WARM RIVER | Idaho | Fair | 1970 | 9.8 m | 10 |
| LITTLE PINE CREEK | Idaho | Good | 1999 | 8.5 m | 10 |
| W. BR. LITTLE WOOD RIVER | Idaho | Good | 1978 | 6.4 m | 8 |
| BLACKFOOT CANAL | Idaho | Fair | 1968 | 10.7 m | 6 |
| M CANAL | Idaho | Fair | 1934 | 8.8 m | 5 |
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.