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 |
|---|---|---|---|---|---|
| SOUTH FORK PAYETTE RIVER | Idaho | Fair | 1962 | 48.5 m | 40 |
| EAST FORK BASIN CREEK | Idaho | Fair | 1979 | 7.5 m | 40 |
| THOMPSON CREEK | Idaho | Fair | 1982 | 9.1 m | 40 |
| SQ___ CREEK | Idaho | Fair | 1966 | 7.3 m | 40 |
| LITTLE LOST RIVER | Idaho | Fair | 1957 | 7.3 m | 40 |
| N. FK. BIG LOST RIVER | Idaho | Fair | 1979 | 7.9 m | 40 |
| LAKE CREEK | Idaho | Good | 1976 | 6.7 m | 40 |
| S. FORK ROCK CREEK | Idaho | Good | 2020 | 12.8 m | 36 |
| IOWA CREEK | Idaho | Good | 1985 | 12.2 m | 36 |
| MCCOY CREEK | Idaho | Good | 1986 | 15.8 m | 36 |
| WARM RIVER | Idaho | Good | 1980 | 7.9 m | 36 |
| BEAR CREEK | Idaho | Fair | 1986 | 12.2 m | 36 |
| SPRING CREEK | Idaho | Fair | 1983 | 38.1 m | 35 |
| LITTLE WOOD RIVER | Idaho | Fair | 1940 | 7.9 m | 35 |
| Hawley Creek | Idaho | Good | 2013 | 13.7 m | 35 |
| BIG JIMMEY CREEK | Idaho | Good | 2014 | 24.1 m | 35 |
| SO.FK.PAYETTE RIVER | Idaho | Fair | 1959 | 39.0 m | 35 |
| PRATT CREEK | Idaho | Good | 2015 | 11.0 m | 33 |
| NORTH CANAL | Idaho | Fair | 1991 | 15.4 m | 30 |
| BANNOCK CREEK | Idaho | Fair | 1972 | 12.7 m | 30 |
| BIG CANYON CREEK | Idaho | Fair | 1948 | 18.9 m | 30 |
| LITTLE POTLATCH CREEK | Idaho | Good | 1977 | 12.2 m | 30 |
| PORTNEUF RIVER | Idaho | Good | 1986 | 19.2 m | 30 |
| PORTNEUF RIVER | Idaho | Good | 1986 | 19.2 m | 30 |
| THOMAS FK.CR;SE.GENEVA B | Idaho | Fair | 1986 | 6.4 m | 30 |
| BEAR RIVER;W.BORDER BR. | Idaho | Fair | 1978 | 39.0 m | 30 |
| ST CHARLES CREEK | Idaho | Good | 2023 | 12.2 m | 30 |
| HIGH LINE CANAL | Idaho | Fair | 1987 | 9.8 m | 30 |
| BLACKFOOT R. & TRAIL CR. | Idaho | Fair | 1985 | 37.5 m | 30 |
| I 15;SHEEPSKIN ROAD GS | Idaho | Fair | 1960 | 64.6 m | 30 |
| BENCH CANAL | Idaho | Fair | 2012 | 13.0 m | 30 |
| STUMP CREEK | Idaho | Fair | 1982 | 11.6 m | 30 |
| E.FK.BIG WOOD RIVER | Idaho | Fair | 1978 | 8.7 m | 30 |
| W.BR.LITTLE WOOD RIVER | Idaho | Fair | 1959 | 7.3 m | 30 |
| BIG WOOD RIVER;DEER CR. | Idaho | Good | 1982 | 34.7 m | 30 |
| FISH CREEK | Idaho | Fair | 2009 | 7.6 m | 30 |
| LITTLE WOOD RIVER | Idaho | Fair | 1986 | 19.5 m | 30 |
| SILVER CREEK;S.E. PICABO | Idaho | Good | 1995 | 8.8 m | 30 |
| SALMON RIVER | Idaho | Fair | 1950 | 15.5 m | 30 |
| CAMAS CREEK | Idaho | Poor | 1950 | 13.1 m | 30 |
| CAMAS CREEK | Idaho | Poor | 1920 | 35.7 m | 30 |
| DAUGHERTY CREEK | Idaho | Good | 2022 | 9.1 m | 30 |
| CAMAS CREEK | Idaho | Fair | 1986 | 15.2 m | 30 |
| CAMAS CREEK | Idaho | Fair | 1986 | 19.8 m | 30 |
| CAMAS CREEK | Idaho | Poor | 1965 | 7.6 m | 30 |
| CAMAS CREEK | Idaho | Good | 1986 | 30.5 m | 30 |
| CAMAS CREEK | Idaho | Good | 2019 | 13.4 m | 30 |
| CAMAS CREEK | Idaho | Fair | 2016 | 10.1 m | 30 |
| CAMAS CREEK | Idaho | Good | 2016 | 18.6 m | 30 |
| CAMAS CREEK | Idaho | Fair | 1986 | 48.8 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.