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 |
|---|---|---|---|---|---|
| POLE CREEK | Idaho | Good | 2013 | 8.5 m | 50 |
| BIG SPRINGS OUTLET | Idaho | Fair | 1957 | 35.4 m | 50 |
| SKELETON CREEK | Idaho | Fair | 1955 | 6.7 m | 50 |
| LITTLE BEAR CREEK | Idaho | Good | 2020 | 17.7 m | 50 |
| MARBLE CREEK | Idaho | Fair | 1952 | 15.5 m | 50 |
| BIG CREEK | Idaho | Poor | 1939 | 29.9 m | 50 |
| BIG CREEK | Idaho | Fair | 1939 | 18.9 m | 50 |
| MARBLE CREEK | Idaho | Fair | 1959 | 16.4 m | 50 |
| SKI TRAIL | Idaho | Fair | 1995 | 13.7 m | 50 |
| WILLOW CREEK | Idaho | Fair | 1975 | 8.5 m | 50 |
| HENRYS LAKE OUTLET | Idaho | Fair | 1991 | 21.3 m | 50 |
| YANKEE FORK | Idaho | Fair | 1972 | 19.7 m | 50 |
| TRESTLE CREEK | Idaho | Fair | 1969 | 9.9 m | 50 |
| GRAYBACK GULCH | Idaho | Good | 2018 | 27.4 m | 50 |
| MORES CREEK | Idaho | Poor | 1982 | 9.1 m | 50 |
| PIKES FORK CREEK | Idaho | Good | 2005 | 10.4 m | 50 |
| LODGEPOLE CREEK | Idaho | Good | 2008 | 6.8 m | 50 |
| TRAPPER CREEK | Idaho | Good | 2009 | 8.5 m | 50 |
| E. FK. BURNT LOG CREEK | Idaho | Good | 2022 | 18.3 m | 50 |
| DITCH CREEK | Idaho | Good | 2009 | 8.5 m | 50 |
| SOUTH FORK BOISE RIVER | Idaho | Fair | 1951 | 20.4 m | 50 |
| W.F. EMERALD | Idaho | Good | 2020 | 16.5 m | 50 |
| E.F. BIG CREEK | Idaho | Good | 1994 | 7.5 m | 50 |
| BIG SMOKY CREEK | Idaho | Good | 1977 | 21.9 m | 50 |
| YANKEE FORK | Idaho | Fair | 1972 | 32.0 m | 50 |
| BEAR VALLEY CREEK | Idaho | Good | 1981 | 35.4 m | 50 |
| FIR CREEK | Idaho | Good | 2009 | 14.0 m | 50 |
| M.FK. PAYETTE RIVER | Idaho | Good | 1957 | 37.6 m | 50 |
| SILVER CREEK | Idaho | Good | 1958 | 9.8 m | 50 |
| NO DATA ENTERED | Idaho | Good | 2023 | 10.4 m | 50 |
| SEVEN SUCKERS DITCH | Idaho | Fair | 1950 | 7.0 m | 50 |
| WILLOW CREEK | Idaho | Good | 1955 | 18.3 m | 50 |
| HOMESTEAD CREEK | Idaho | Good | 2018 | 17.3 m | 50 |
| HOMESTEAD CREEK | Idaho | Good | 2018 | 19.1 m | 50 |
| MILL SLOUGH | Idaho | Good | 2021 | 9.1 m | 50 |
| SOUTH FORK BOISE RIVER | Idaho | Good | 1956 | 40.6 m | 50 |
| GOLD FORK RIVER | Idaho | Fair | 1966 | 12.3 m | 50 |
| GOLD FORK RIVER | Idaho | Fair | 1966 | 10.5 m | 50 |
| RAFT RIVER | Idaho | Good | 2014 | 14.6 m | 50 |
| E.F. EMERALD | Idaho | Good | 2024 | 20.4 m | 50 |
| GRANITE CREEK | Idaho | Good | 2010 | 35.4 m | 50 |
| EF LIGHTNING CREEK | Idaho | Good | 2009 | 41.4 m | 50 |
| RATTLESNAKE CREEK | Idaho | Good | 2009 | 14.0 m | 50 |
| AGENCY CREEK | Idaho | Good | 2012 | 9.1 m | 50 |
| SILVER CREEK | Idaho | Good | 2010 | 12.2 m | 50 |
| KENNY CREEK | Idaho | Good | 2012 | 8.8 m | 50 |
| HAYDEN CREEK | Idaho | Fair | 1953 | 8.2 m | 50 |
| JENSEN CREEK | Idaho | Good | 2016 | 7.3 m | 50 |
| MCCOY CREEK | Idaho | Good | 1978 | 42.1 m | 50 |
| LEWISVILLE CANAL | Idaho | Poor | 1960 | 11.9 m | 50 |
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.