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 |
|---|---|---|---|---|---|
| FARMERS FRIEND CANAL | Idaho | Good | 2009 | 9.1 m | 500 |
| RESERVATION CANAL | Idaho | Fair | 1977 | 12.8 m | 500 |
| FARMERS UNION CANAL | Idaho | Good | 1996 | 8.8 m | 500 |
| PORTER CANAL | Idaho | Good | 2019 | 9.4 m | 500 |
| BIG LOST RIVER | Idaho | Fair | 1926 | 11.0 m | 500 |
| SETTLERS CANAL | Idaho | Fair | 1968 | 15.5 m | 500 |
| FARMERS UNION CANAL | Idaho | Fair | 1979 | 6.7 m | 500 |
| TRAIL CREEK | Idaho | Fair | 1995 | 15.2 m | 500 |
| TRAIL CREEK | Idaho | Fair | 1995 | 17.1 m | 500 |
| ST ANTHONY CANAL | Idaho | Good | 2020 | 14.3 m | 500 |
| LITTLE CANYON CREEK | Idaho | Fair | 1987 | 8.2 m | 500 |
| A-5 CANAL | Idaho | Good | 2016 | 6.7 m | 500 |
| SEVEN MILE SLOUGH | Idaho | Good | 2013 | 16.5 m | 500 |
| Adams Drainage | Idaho | Poor | 1993 | 11.9 m | 491 |
| IDAHO CANAL | Idaho | Fair | 1966 | 25.9 m | 490 |
| C CANAL | Idaho | Good | 1992 | 10.4 m | 490 |
| PACK RIVER | Idaho | Fair | 1982 | 33.5 m | 490 |
| WILLOW CREEK | Idaho | Poor | 1996 | 7.3 m | 490 |
| BOULDER CREEK | Idaho | Good | 1996 | 12.5 m | 490 |
| STOVER CREEK | Idaho | Fair | 1996 | 6.7 m | 490 |
| WEISER R;BACKWATER CH.BR | Idaho | Fair | 1960 | 18.3 m | 490 |
| BLACK CANYON CANAL | Idaho | Fair | 1979 | 20.1 m | 490 |
| WEISER RIVER | Idaho | Poor | 1917 | 75.9 m | 490 |
| STRONG CREEK; E.HOPE BR. | Idaho | Good | 2019 | 18.0 m | 480 |
| ELK CREEK | Idaho | Fair | 1982 | 6.7 m | 480 |
| W. BRANCH SAND CREEK | Idaho | Fair | 1973 | 12.2 m | 480 |
| GREAT WESTERN CANAL | Idaho | Fair | 1928 | 16.2 m | 480 |
| FALL RIVER | Idaho | Fair | 1969 | 106.4 m | 480 |
| FARMERS OWN CANAL | Idaho | Fair | 1969 | 13.4 m | 480 |
| BURGESS CANAL | Idaho | Fair | 1970 | 12.2 m | 480 |
| SNAKE RIVER VALLEY CANAL | Idaho | Fair | 1978 | 11.0 m | 480 |
| PAYETTE RIVER | Idaho | Fair | 1961 | 97.5 m | 480 |
| DRAINAGE LATERAL | Idaho | Fair | 1951 | 9.4 m | 480 |
| J CANAL | Idaho | Fair | 1990 | 8.8 m | 480 |
| JIM FORD CREEK | Idaho | Fair | 1977 | 22.3 m | 480 |
| M CANAL | Idaho | Fair | 1988 | 6.7 m | 480 |
| CHALLIS CREEK | Idaho | Good | 1997 | 7.3 m | 480 |
| S CANAL | Idaho | Fair | 2001 | 7.0 m | 480 |
| S-2 CANAL | Idaho | Fair | 2001 | 6.7 m | 480 |
| H CANAL | Idaho | Fair | 1989 | 10.4 m | 480 |
| MAIN SOUTHSIDE CANAL | Idaho | Fair | 1976 | 21.6 m | 480 |
| SAND CREEK | Idaho | Fair | 1976 | 9.4 m | 480 |
| LONG HOLLOW CREEK | Idaho | Fair | 1964 | 7.6 m | 470 |
| LAWYERS CANYON CREEK | Idaho | Fair | 1964 | 21.6 m | 470 |
| S.FK.COEUR DALENE RIVER | Idaho | Good | 2014 | 18.3 m | 470 |
| SQUAW CREEK;N.SWEET BR. | Idaho | Good | 1982 | 26.8 m | 470 |
| SQUAW CREEK | Idaho | Fair | 1928 | 18.9 m | 470 |
| INDIAN CREEK | Idaho | Good | 2023 | 11.9 m | 470 |
| S.FK.PAYETTE RIVER | Idaho | Good | 2014 | 56.4 m | 460 |
| PEOPLES CANAL | Idaho | Fair | 1980 | 8.8 m | 460 |
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.