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 |
|---|---|---|---|---|---|
| BIG LOST RIVER | Idaho | Good | 1992 | 14.9 m | 100 |
| LITTLE WEISER RIVER | Idaho | Fair | 1981 | 18.6 m | 100 |
| LITTLE SALMON RIVER | Idaho | Fair | 1930 | 24.4 m | 100 |
| HORNET CREEK | Idaho | Poor | 1949 | 12.2 m | 100 |
| E 100 SOUTH ROAD | Idaho | Fair | 2022 | 7.3 m | 100 |
| SOLDIER CREEK | Idaho | Fair | 2022 | 7.3 m | 100 |
| PAHSIMEROI RIVER | Idaho | Good | 2016 | 24.7 m | 100 |
| ANDERSON CREEK | Idaho | Poor | 1983 | 9.1 m | 100 |
| MORES CREEK | Idaho | Fair | 1991 | 14.9 m | 100 |
| SAND HOLLOW CR | Idaho | Good | 1963 | 6.7 m | 100 |
| HIGH LINE CANAL | Idaho | Fair | 1974 | 7.3 m | 100 |
| SAND RUN GULCH | Idaho | Fair | 1967 | 8.5 m | 100 |
| LOW LINE CANAL | Idaho | Fair | 1992 | 17.7 m | 100 |
| SAND RUN GULCH | Idaho | Fair | 1969 | 8.5 m | 100 |
| CARIBOU CREEK | Idaho | Fair | 1985 | 17.1 m | 100 |
| D LINE CANAL | Idaho | Fair | 1974 | 8.2 m | 100 |
| CANYON CREEK | Idaho | Good | 2012 | 11.0 m | 100 |
| SULPHUR CREEK | Idaho | Good | 2012 | 10.4 m | 100 |
| SEBREE CANAL | Idaho | Fair | 1994 | 8.5 m | 100 |
| SKI TRAIL | Idaho | Good | 2023 | 12.9 m | 100 |
| BLACK CANYON CANAL | Idaho | Fair | 1976 | 21.9 m | 100 |
| BLACK CANYON CANAL | Idaho | Fair | 1955 | 21.6 m | 100 |
| PAYETTE RIVER TRIBUTARY | Idaho | Fair | 2008 | 27.7 m | 100 |
| W.FK.PINE CREEK | Idaho | Fair | 1975 | 22.6 m | 100 |
| BADGER CREEK | Idaho | Good | 2013 | 13.1 m | 100 |
| E. FORK BRUNEAU RIVER | Idaho | Good | 2000 | 12.8 m | 100 |
| DRY BED | Idaho | Good | 1992 | 15.5 m | 100 |
| NOBLE CANAL | Idaho | Fair | 1992 | 7.9 m | 100 |
| FARMERS COOP CANAL | Idaho | Fair | 1965 | 9.1 m | 100 |
| A LINE CANAL | Idaho | Fair | 2003 | 16.5 m | 100 |
| NOBLE CANAL | Idaho | Fair | 1969 | 8.2 m | 100 |
| ROUND VALLEY CREEK | Idaho | Good | 1992 | 12.8 m | 100 |
| BIG CREEK | Idaho | Fair | 1976 | 11.0 m | 100 |
| N FK PAYETTE R(N BEACH) | Idaho | Good | 2023 | 35.1 m | 100 |
| LEMAH CREEK | Idaho | Good | 2015 | 8.9 m | 100 |
| RAINEY CREEK | Idaho | Good | 2024 | 19.2 m | 100 |
| ST. ANTHONY CANAL | Idaho | Fair | 1996 | 8.5 m | 100 |
| LITTLE N.FK.CDA RIVER | Idaho | Good | 1985 | 43.0 m | 100 |
| BEAR CREEK;NW.CALDER BR | Idaho | Fair | 1960 | 11.3 m | 100 |
| BADGER CREEK | Idaho | Good | 1977 | 8.5 m | 100 |
| BADGER CREEK | Idaho | Good | 2012 | 9.1 m | 100 |
| N.FK.CLEARWATER;GRANDAD | Idaho | Good | 1971 | 368.2 m | 100 |
| ENTERPRISE CANAL | Idaho | Fair | 1986 | 8.8 m | 100 |
| S. FORK CLEARWATER | Idaho | Fair | 1963 | 75.3 m | 100 |
| LITTLE SALMON R;POLLOCK | Idaho | Fair | 1927 | 29.0 m | 100 |
| REXBURG CANAL | Idaho | Good | 2023 | 7.9 m | 100 |
| LITTLE SALMON RIVER | Idaho | Good | 2004 | 41.5 m | 100 |
| AGATHA CREEK TRESTLE | Idaho | Poor | 1912 | 34.1 m | 100 |
| BIG CREEK TRESTLE | Idaho | Poor | 1912 | 22.6 m | 100 |
| BLACK PRINCE TRESTLE | Idaho | Poor | 1912 | 42.7 m | 100 |
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.