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 |
|---|---|---|---|---|---|
| DAWSON CREEK | Idaho | Good | 2009 | 13.1 m | 230 |
| FARMERS COOP SEBREE CNL | Idaho | Fair | 1976 | 10.4 m | 230 |
| BOULDER CREEK | Idaho | Poor | 1978 | 9.1 m | 230 |
| BOULDER CREEK | Idaho | Fair | 2004 | 7.6 m | 230 |
| LINCOLN CANAL | Idaho | Fair | 1974 | 9.8 m | 230 |
| BIG WOOD RIVER | Idaho | Fair | 1978 | 19.8 m | 230 |
| EAST MAIN CANAL | Idaho | Good | 2013 | 15.9 m | 230 |
| S.BRANCH HARRISON CANAL | Idaho | Fair | 1957 | 6.7 m | 230 |
| LAPWAI CR;GARDEN GULCH | Idaho | Good | 1995 | 18.0 m | 230 |
| EGIN CANAL | Idaho | Fair | 1960 | 8.5 m | 230 |
| RIVERSIDE CANAL | Idaho | Fair | 1994 | 9.1 m | 230 |
| LAPWAI CREEK | Idaho | Fair | 1988 | 19.8 m | 225 |
| BEAVER CREEK | Idaho | Fair | 1930 | 10.1 m | 220 |
| OROFINO CREEK | Idaho | Good | 2020 | 21.3 m | 220 |
| THORN CREEK | Idaho | Good | 2013 | 7.9 m | 220 |
| BULLION CREEK | Idaho | Fair | 1937 | 10.4 m | 220 |
| CHAMPION CREEK | Idaho | Fair | 1949 | 6.7 m | 220 |
| GRAND VIEW IRRG.DIST.CNL | Idaho | Fair | 1965 | 16.8 m | 220 |
| BLACKFOOT CANAL | Idaho | Good | 1970 | 10.4 m | 220 |
| RESERVATION CANAL | Idaho | Fair | 1967 | 14.0 m | 220 |
| ABERDEEN SPRINGFIELD CNL | Idaho | Fair | 1969 | 34.7 m | 220 |
| RESERVATION CANAL | Idaho | Fair | 1985 | 12.2 m | 220 |
| FIFTEEN MILE CREEK | Idaho | Good | 2005 | 12.5 m | 220 |
| GOLDEN GATE CANAL | Idaho | Fair | 2000 | 10.7 m | 220 |
| CANYON CREEK | Idaho | Poor | 2012 | 11.6 m | 220 |
| PALOUSE R;NW.POTLATCH BR | Idaho | Fair | 1940 | 24.4 m | 220 |
| MILITARY GULCH | Idaho | Fair | 2012 | 11.6 m | 220 |
| FARMERS COOP CANAL | Idaho | Fair | 1965 | 9.4 m | 220 |
| CANYON CREEK | Idaho | Good | 2024 | 6.4 m | 220 |
| DIETRICH CANAL | Idaho | Fair | 1971 | 7.9 m | 220 |
| CANYON CREEK | Idaho | Fair | 1982 | 10.7 m | 220 |
| HIGH LINE CANAL | Idaho | Fair | 1964 | 17.1 m | 220 |
| LOW LINE CANAL | Idaho | Fair | 1968 | 27.4 m | 220 |
| BLACKFOOT RIVER | Idaho | Good | 1975 | 27.7 m | 210 |
| QUARTZ CREEK(JAYPE BR) | Idaho | Fair | 1958 | 6.4 m | 210 |
| REEDS CREEK | Idaho | Fair | 1958 | 7.9 m | 210 |
| BIG LOST RIVER | Idaho | Fair | 1935 | 11.6 m | 210 |
| MOORE CANAL | Idaho | Fair | 1979 | 8.5 m | 210 |
| COW CREEK | Idaho | Good | 1977 | 12.2 m | 210 |
| ROCK CREEK | Idaho | Good | 1962 | 7.9 m | 210 |
| PLUMMER CREEK | Idaho | Fair | 1961 | 25.3 m | 210 |
| CAMAS CREEK | Idaho | Fair | 1969 | 11.3 m | 210 |
| LITTLE LOST RIVER | Idaho | Fair | 1979 | 7.6 m | 210 |
| FALL RIVER CANAL | Idaho | Fair | 2013 | 7.3 m | 210 |
| BIG LOST RIVER | Idaho | Good | 2012 | 27.1 m | 210 |
| BIG SPRINGS;ISLAND PK.BR | Idaho | Fair | 1958 | 33.5 m | 210 |
| MIDDLE LINE CANAL | Idaho | Good | 2004 | 11.0 m | 210 |
| I 86 EB-WB;RAINBOW RD GS | Idaho | Fair | 1972 | 79.9 m | 210 |
| WEST SIDE CANAL | Idaho | Fair | 1989 | 7.6 m | 210 |
| TWIN GROVES CANAL | Idaho | Fair | 1955 | 9.8 m | 210 |
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.