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 |
|---|---|---|---|---|---|
| ST JOE RIVER | Idaho | Fair | 1969 | 34.1 m | 50 |
| BENEWAH CREEK | Idaho | Fair | 1970 | 14.0 m | 50 |
| HAZARD CREEK | Idaho | Fair | 1951 | 16.8 m | 50 |
| HELLROARING CREEK | Idaho | Good | 2017 | 19.5 m | 50 |
| UPPER WEST BRANCH | Idaho | Fair | 1989 | 8.8 m | 50 |
| GOOSE CREEK | Idaho | Fair | 1990 | 12.3 m | 50 |
| UPPER W. BRANCH | Idaho | Poor | 1954 | 10.0 m | 50 |
| GOLD CREEK | Idaho | Good | 1965 | 37.5 m | 50 |
| HUGHES FORK CR | Idaho | Fair | 1966 | 12.3 m | 50 |
| COW CREEK | Idaho | Good | 1984 | 12.8 m | 40 |
| CDA RIVER | Idaho | Good | 1965 | 56.4 m | 40 |
| EAST FORK BASIN CREEK | Idaho | Fair | 1979 | 7.5 m | 40 |
| THOMPSON CREEK | Idaho | Fair | 1982 | 9.1 m | 40 |
| ABERDEEN SPRINGFIELD CNL | Idaho | Fair | 1982 | 20.3 m | 40 |
| PEAK CREEK | Idaho | Fair | 1955 | 8.2 m | 40 |
| LITTLE LOST RIVER | Idaho | Fair | 1957 | 7.3 m | 40 |
| BLACKFOOT RIVER | Idaho | Fair | 1971 | 23.8 m | 40 |
| CINNAMON CREEK | Idaho | Fair | 1974 | 12.2 m | 40 |
| DEER CREEK | Idaho | Good | 2015 | 23.5 m | 40 |
| BANNOCK CREEK | Idaho | Good | 2008 | 13.7 m | 40 |
| BELLEVUE CANAL | Idaho | Fair | 1980 | 7.6 m | 40 |
| LAKE CREEK | Idaho | Good | 1976 | 6.7 m | 40 |
| E. FK. WOOD RIVER | Idaho | Fair | 1920 | 12.8 m | 40 |
| LONG ISLAND CANAL | Idaho | Fair | 1973 | 7.3 m | 40 |
| EAGLE ROCK CNL HEADGATE | Idaho | Fair | 1997 | 11.6 m | 40 |
| GREAT FEEDER CANAL HEAD | Idaho | Good | 2016 | 32.3 m | 40 |
| OWSLEY CANAL;S TERRETON | Idaho | Fair | 1976 | 9.8 m | 40 |
| DRY BED CR;W.LEWISVILLE | Idaho | Fair | 1964 | 26.2 m | 40 |
| CAMAS CREEK;S.CAMAS BR | Idaho | Fair | 1972 | 12.2 m | 40 |
| OWSLEY CNL;SW.TERRETON | Idaho | Fair | 1974 | 8.5 m | 40 |
| TETON RVR (NICKERSON BR) | Idaho | Good | 1990 | 43.6 m | 40 |
| INK CREEK | Idaho | Good | 2010 | 17.2 m | 40 |
| CDA RIVER | Idaho | Fair | 1966 | 66.4 m | 40 |
| N. FK. BIG LOST RIVER | Idaho | Fair | 1979 | 7.9 m | 40 |
| CDA RIVER | Idaho | Fair | 1967 | 88.7 m | 40 |
| CDA RIVER | Idaho | Fair | 1967 | 75.0 m | 40 |
| SPRUCE CREEK | Idaho | Fair | 1977 | 9.9 m | 40 |
| WILLOW CREEK | Idaho | Good | 2023 | 21.0 m | 40 |
| YELLOW DOG CR | Idaho | Good | 1974 | 15.8 m | 40 |
| LIGHTNING CREEK | Idaho | Fair | 1956 | 15.5 m | 40 |
| GROUSE CREEK | Idaho | Good | 1987 | 29.0 m | 40 |
| DOWNEY CREEK | Idaho | Good | 1974 | 12.2 m | 40 |
| BRETT CREEK | Idaho | Fair | 1974 | 7.9 m | 40 |
| JACOT CREEK | Idaho | Fair | 1912 | 29.6 m | 40 |
| MERCURY CREEK | Idaho | Fair | 1912 | 25.9 m | 40 |
| BOND CREEK | Idaho | Fair | 1912 | 46.9 m | 40 |
| ST. JOE RIVER | Idaho | Fair | 1908 | 136.6 m | 40 |
| MOORES CREEK | Idaho | Good | 1980 | 10.1 m | 40 |
| UPPER PRIEST RIVER | Idaho | Fair | 1965 | 27.4 m | 40 |
| HUGHES FORK CR | Idaho | Fair | 1965 | 27.4 m | 40 |
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.