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 |
|---|---|---|---|---|---|
| WHEELER CANYON CREEK | Idaho | Good | 2013 | 24.7 m | 90 |
| LAPWAI CREEK | Idaho | Good | 1966 | 17.7 m | 90 |
| PAHSIMEROI RIVER | Idaho | Good | 2015 | 14.6 m | 90 |
| ST. ANTHONY CANAL | Idaho | Fair | 1966 | 7.9 m | 90 |
| MOYIE RIVER (ADDIE BR) | Idaho | Good | 1991 | 37.2 m | 90 |
| BLACKFOOT RIVER | Idaho | Good | 2015 | 32.3 m | 85 |
| LICK CREEK | Idaho | Fair | 1969 | 9.4 m | 80 |
| BEAR CREEK | Idaho | Fair | 1969 | 8.2 m | 80 |
| ENTERPRISE CANAL | Idaho | Fair | 1970 | 8.5 m | 80 |
| PARKER CREEK | Idaho | Fair | 1970 | 14.3 m | 80 |
| LONG CANYON CREEK | Idaho | Fair | 1956 | 30.5 m | 80 |
| SMITH CREEK | Idaho | Fair | 1970 | 31.4 m | 80 |
| CONSOLIDATED FARMERS CNL | Idaho | Fair | 1976 | 7.9 m | 80 |
| PORTNEUF MARSH VAL CNL | Idaho | Good | 2005 | 7.6 m | 80 |
| LAKE CREEK | Idaho | Fair | 1954 | 31.4 m | 80 |
| CROSSCUT CANAL | Idaho | Good | 1990 | 14.6 m | 80 |
| TAGHEE CANAL | Idaho | Fair | 1973 | 36.6 m | 80 |
| ROCK CREEK | Idaho | Fair | 1939 | 9.1 m | 80 |
| ROCK CREEK | Idaho | Fair | 1978 | 9.1 m | 80 |
| SUNBEAM CREEK | Idaho | Good | 1940 | 13.7 m | 80 |
| SUNBEAM CREEK | Idaho | Fair | 1967 | 15.2 m | 80 |
| WARM SPRING CREEK | Idaho | Fair | 1965 | 7.9 m | 80 |
| LITTLE WOOD RIVER | Idaho | Fair | 1978 | 19.8 m | 80 |
| ST JOE R;MARBLE CREEK BR | Idaho | Fair | 1968 | 78.3 m | 80 |
| ESTHERS POND | Idaho | Good | 2016 | 16.5 m | 80 |
| FEEDER CANAL | Idaho | Fair | 1978 | 7.9 m | 80 |
| BIG LOST RIVER | Idaho | Good | 2010 | 38.7 m | 80 |
| REID CANAL | Idaho | Fair | 1997 | 7.3 m | 80 |
| MOORE CANAL | Idaho | Fair | 1979 | 8.8 m | 80 |
| LYONS CREEK | Idaho | Fair | 1972 | 21.0 m | 80 |
| FARMERS COOP CANAL | Idaho | Fair | 1959 | 8.2 m | 80 |
| FARMERS COOP CANAL | Idaho | Fair | 1950 | 8.8 m | 80 |
| KENNALLY CREEK | Idaho | Fair | 1990 | 20.4 m | 80 |
| BADGER CREEK | Idaho | Fair | 1991 | 9.4 m | 80 |
| THOUSAND SPRINGS CREEK | Idaho | Poor | 1926 | 7.9 m | 80 |
| JIM FORD CREEK | Idaho | Poor | 1965 | 15.8 m | 80 |
| GREAT WESTERN CANAL | Idaho | Good | 1963 | 11.3 m | 80 |
| STOCK CREEK | Idaho | Fair | 1965 | 7.9 m | 80 |
| LOWER HOLMES CANAL | Idaho | Fair | 1965 | 9.8 m | 80 |
| LITTLE POTLATCH CR | Idaho | Good | 2024 | 11.9 m | 80 |
| INDEPENDENT CANAL | Idaho | Fair | 1940 | 8.2 m | 80 |
| FOUR MILE CREEK | Idaho | Good | 2015 | 8.5 m | 80 |
| ST. ANTHONY CANAL | Idaho | Fair | 1970 | 13.7 m | 80 |
| S. FK. PALOUSE RIVER | Idaho | Good | 1996 | 7.6 m | 80 |
| NF CLEARWATER RIVER | Idaho | Good | 1968 | 52.7 m | 80 |
| LAPWAI CREEK | Idaho | Good | 1963 | 14.6 m | 80 |
| MARYSVILLE CANAL | Idaho | Good | 2016 | 11.0 m | 80 |
| BLANCHARD CREEK | Idaho | Fair | 1965 | 18.0 m | 80 |
| ELIZABETH CREEK | Idaho | Good | 1954 | 7.3 m | 80 |
| IDAHO CANAL; HAMPTON BR | Idaho | Good | 2023 | 12.2 m | 80 |
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.