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 |
|---|---|---|---|---|---|
| IDAHO CANAL | Idaho | Fair | 1972 | 11.6 m | 3,700 |
| LAPWAI CREEK | Idaho | Fair | 2012 | 35.7 m | 3,600 |
| LAPWAI CREEK | Idaho | Fair | 2012 | 35.7 m | 3,600 |
| B LINE CANAL | Idaho | Good | 1982 | 7.3 m | 3,600 |
| MIDDLETON CANAL | Idaho | Fair | 1994 | 7.3 m | 3,600 |
| MIDDLETON CANAL | Idaho | Good | 1965 | 8.2 m | 3,600 |
| LAPWAI CREEK | Idaho | Fair | 2012 | 35.7 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2019 | 7.9 m | 3,600 |
| DRY CREEK CANAL | Idaho | Good | 2015 | 10.4 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2019 | 9.4 m | 3,600 |
| LAPWAI CREEK | Idaho | Fair | 2012 | 35.7 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2019 | 7.9 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2020 | 11.3 m | 3,600 |
| MISSION CREEK | Idaho | Good | 1997 | 20.7 m | 3,600 |
| LAPWAI CREEK | Idaho | Fair | 2012 | 35.7 m | 3,600 |
| SWEETWATER CREEK | Idaho | Good | 1992 | 17.7 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2019 | 8.2 m | 3,600 |
| APPLEWAY PED OP | Idaho | Fair | 1971 | 34.7 m | 3,600 |
| LAPWAI CREEK | Idaho | Fair | 2012 | 35.7 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2020 | 9.4 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2020 | 11.0 m | 3,600 |
| LATERAL W-9 CANAL | Idaho | Good | 2016 | 7.0 m | 3,600 |
| PEOPLES CANAL | Idaho | Good | 2018 | 12.5 m | 3,600 |
| BIG WOOD RIVER | Idaho | Good | 2022 | 38.4 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2019 | 8.2 m | 3,600 |
| MIDDLETON CANAL | Idaho | Good | 1966 | 9.4 m | 3,600 |
| E.FK. LAPWAI CREEK | Idaho | Fair | 1957 | 16.2 m | 3,600 |
| LAPWAI CREEK | Idaho | Good | 2020 | 10.4 m | 3,600 |
| LITTLE PINE CREEK | Idaho | Fair | 1935 | 6.4 m | 3,600 |
| I 90 EB-WB;BUNKER AVE IC | Idaho | Fair | 1964 | 53.3 m | 3,600 |
| LAPWAI CREEK | Idaho | Fair | 2012 | 35.7 m | 3,600 |
| BIG CANYON CREEK | Idaho | Good | 1984 | 36.6 m | 3,500 |
| N. FK. PAYETTE RIVER | Idaho | Good | 2005 | 85.0 m | 3,500 |
| MORES CR;LUCKY PEAK RES. | Idaho | Fair | 1953 | 258.5 m | 3,500 |
| WILDLIFE CROSSING | Idaho | Good | 2010 | 22.9 m | 3,500 |
| PARKS LEWISVILLE CANAL | Idaho | Fair | 1939 | 6.1 m | 3,500 |
| MENAN CANAL | Idaho | Good | 2010 | 12.2 m | 3,500 |
| B CANAL | Idaho | Good | 1983 | 31.4 m | 3,500 |
| B-2 CANAL | Idaho | Fair | 1972 | 9.8 m | 3,500 |
| B-1 CANAL | Idaho | Fair | 1972 | 6.4 m | 3,500 |
| FIGHTING CREEK | Idaho | Good | 2006 | 19.5 m | 3,500 |
| UPRR;AMERICAN FALLS OP | Idaho | Good | 1990 | 39.0 m | 3,500 |
| DRAIN DITCH | Idaho | Fair | 1988 | 10.1 m | 3,500 |
| US 95 | Idaho | Good | 2020 | 41.8 m | 3,500 |
| LAWYERS CANYON CREEK | Idaho | Fair | 1991 | 280.1 m | 3,500 |
| DRY BED CANAL | Idaho | Fair | 1999 | 24.7 m | 3,500 |
| DRY BED CANAL | Idaho | Fair | 1999 | 18.6 m | 3,500 |
| BEAR RIVER | Idaho | Good | 1973 | 39.3 m | 3,500 |
| FIGHTING CREEK | Idaho | Good | 2007 | 19.5 m | 3,500 |
| DRAIN | Idaho | Good | 1991 | 7.3 m | 3,500 |
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.