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 |
|---|---|---|---|---|---|
| INDIAN CREEK | Idaho | Good | 1980 | 8.5 m | 80 |
| INDIAN CREEK | Idaho | Good | 1980 | 8.5 m | 80 |
| GOOSE CREEK | Idaho | Fair | 1960 | 9.1 m | 80 |
| GOLDEN GATE CANAL | Idaho | Good | 1993 | 15.5 m | 80 |
| GOLDEN GATE CANAL | Idaho | Fair | 1994 | 11.9 m | 80 |
| GOLDEN GATE CANAL | Idaho | Fair | 1994 | 17.7 m | 80 |
| WILSON DRAIN | Idaho | Good | 2005 | 14.9 m | 80 |
| FEEDER CANAL | Idaho | Fair | 1978 | 7.9 m | 80 |
| ST. ANTHONY CANAL | Idaho | Fair | 1970 | 13.7 m | 80 |
| MARYSVILLE CANAL | Idaho | Good | 2016 | 11.0 m | 80 |
| INDEPENDENT CANAL | Idaho | Fair | 1940 | 8.2 m | 80 |
| LOWER HOLMES CANAL | Idaho | Fair | 1965 | 9.8 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 |
| CROSSCUT CANAL | Idaho | Good | 1990 | 14.6 m | 80 |
| CONSOLIDATED FARMERS CNL | Idaho | Fair | 1976 | 7.9 m | 80 |
| JIM FORD CREEK | Idaho | Poor | 1965 | 15.8 m | 80 |
| STOCK CREEK | Idaho | Fair | 1965 | 7.9 m | 80 |
| HYNDMAN CREEK | Idaho | Good | 1994 | 13.4 m | 80 |
| LITTLE POTLATCH CR | Idaho | Good | 2024 | 11.9 m | 80 |
| FOUR MILE CREEK | Idaho | Good | 2015 | 8.5 m | 80 |
| S. FK. PALOUSE RIVER | Idaho | Good | 1996 | 7.6 m | 80 |
| ESTHERS POND | Idaho | Good | 2016 | 16.5 m | 80 |
| LAPWAI CREEK | Idaho | Good | 1963 | 14.6 m | 80 |
| ELIZABETH CREEK | Idaho | Good | 1954 | 7.3 m | 80 |
| BLANCHARD CREEK | Idaho | Fair | 1965 | 18.0 m | 80 |
| ENTERPRISE CANAL | Idaho | Fair | 1970 | 8.5 m | 80 |
| ROSE CREEK | Idaho | Fair | 1990 | 9.8 m | 80 |
| ST JOE R;MARBLE CREEK BR | Idaho | Fair | 1968 | 78.3 m | 80 |
| CARMEN CREEK | Idaho | Good | 2011 | 15.2 m | 80 |
| MORES CREEK | Idaho | Good | 1955 | 11.0 m | 79 |
| RAINEY CREEK | Idaho | Good | 2024 | 17.4 m | 75 |
| BEAR RIVER | Idaho | Fair | 1984 | 42.1 m | 70 |
| LONG ISLAND CANAL | Idaho | Fair | 1967 | 7.3 m | 70 |
| HARRISON CANAL | Idaho | Fair | 1971 | 12.2 m | 70 |
| WALLACE CREEK | Idaho | Good | 2011 | 10.7 m | 70 |
| N.FK.TETON RIVER | Idaho | Good | 1976 | 23.8 m | 70 |
| BEAR RIVER | Idaho | Fair | 1931 | 31.7 m | 70 |
| I 86 EB-WB;COLDWATER IC | Idaho | Fair | 1981 | 80.8 m | 70 |
| ST. ANTHONY CANAL | Idaho | Fair | 1991 | 9.1 m | 70 |
| LUNCH CREEK | Idaho | Good | 1986 | 7.3 m | 70 |
| ENTERPRISE CANAL | Idaho | Fair | 1978 | 9.1 m | 70 |
| HOG MEADOW CREEK | Idaho | Good | 1973 | 10.7 m | 70 |
| POTLATCH RIVER | Idaho | Good | 2018 | 28.0 m | 70 |
| JOHNSON CREEK | Idaho | Fair | 1959 | 27.1 m | 70 |
| ENTERPRISE CANAL | Idaho | Good | 2011 | 7.0 m | 70 |
| LONG HOLLOW CREEK | Idaho | Fair | 1920 | 9.8 m | 70 |
| WILLOW CREEK | Idaho | Good | 1996 | 12.5 m | 70 |
| LEMHI RIVER | Idaho | Fair | 1950 | 12.5 m | 70 |
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.