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 |
|---|---|---|---|---|---|
| CAVE LAKE CHANNEL | Idaho | Fair | 1991 | 16.8 m | 50 |
| CDA RIVER | Idaho | Fair | 1954 | 14.9 m | 50 |
| IRON CREEK | Idaho | Good | 2010 | 11.0 m | 50 |
| CANYON CREEK | Idaho | Fair | 1987 | 11.9 m | 50 |
| S.FK.COEUR DALENE RIVER | Idaho | Poor | 1972 | 10.7 m | 50 |
| HAYDEN CREEK | Idaho | Fair | 1953 | 8.2 m | 50 |
| MOON GULCH;NE.KELLOGG BR | Idaho | Fair | 1919 | 10.7 m | 50 |
| N.F. HAYDEN CR | Idaho | Fair | 1953 | 7.5 m | 50 |
| CANYON CREEK;GEM BR | Idaho | Good | 2023 | 21.3 m | 50 |
| LEIBERG CREEK | Idaho | Fair | 1959 | 8.7 m | 50 |
| BIG CREEK;SE.CALDER BR | Idaho | Fair | 1960 | 31.1 m | 50 |
| WIMPEY CREEK | Idaho | Good | 2013 | 13.4 m | 50 |
| SOUTH FORK CDA RIVER | Idaho | Fair | 1985 | 40.8 m | 50 |
| TRAIL CREEK | Idaho | Fair | 1953 | 7.6 m | 50 |
| TEPEE CREEK | Idaho | Fair | 1974 | 12.3 m | 50 |
| ANDERSON CANAL | Idaho | Fair | 1935 | 10.7 m | 50 |
| WILLOW CREEK | Idaho | Good | 1962 | 24.7 m | 50 |
| S. LAVERNE CR | Idaho | Fair | 1973 | 8.3 m | 50 |
| ANDERSON CANAL | Idaho | Good | 2004 | 7.3 m | 50 |
| E.BRANCH BIG LOST RIVER | Idaho | Fair | 1992 | 11.9 m | 50 |
| TEPEE CREEK | Idaho | Fair | 1957 | 7.5 m | 50 |
| BIG LOST RIVER | Idaho | Fair | 1991 | 20.7 m | 50 |
| BIG LOST RIVER | Idaho | Fair | 1978 | 17.4 m | 50 |
| WEST FORK EAGLE CREEK | Idaho | Fair | 1957 | 8.7 m | 50 |
| PRATT CREEK (#1) | Idaho | Good | 2018 | 11.6 m | 50 |
| UPRR;N.SPENCER RR OP | Idaho | Poor | 1936 | 90.2 m | 50 |
| BIG CREEK | Idaho | Poor | 1939 | 29.9 m | 50 |
| CAMAS CREEK | Idaho | Poor | 1953 | 8.2 m | 50 |
| CAMAS CREEK | Idaho | Poor | 1981 | 9.8 m | 50 |
| LEMHI RIVER(BAGLEY BR) | Idaho | Poor | 1991 | 22.6 m | 50 |
| PLEASANT VALLEY CREEK | Idaho | Fair | 1934 | 140.2 m | 50 |
| BIG LOST RIVER | Idaho | Fair | 1977 | 21.3 m | 50 |
| BIG LOST RIVER | Idaho | Good | 2010 | 26.5 m | 50 |
| TRAIL CREEK | Idaho | Fair | 1984 | 18.3 m | 50 |
| HAWLEY CREEK | Idaho | Good | 2014 | 12.5 m | 50 |
| LEMHI RIVER | Idaho | Fair | 1965 | 7.9 m | 50 |
| BENEWAH CREEK | Idaho | Fair | 1970 | 14.0 m | 50 |
| INDEPENDENT CANAL | Idaho | Fair | 1973 | 13.1 m | 50 |
| FALL RIVER CANAL | Idaho | Fair | 1976 | 9.8 m | 50 |
| FALL RIVER | Idaho | Fair | 1977 | 36.6 m | 50 |
| WEST FORK EAGLE CREEK | Idaho | Fair | 1957 | 10.1 m | 50 |
| N.F.CDA RIVER | Idaho | Fair | 1953 | 8.8 m | 50 |
| LONG ISLAND CANAL | Idaho | Fair | 1969 | 7.3 m | 50 |
| COPPER CREEK | Idaho | Fair | 1975 | 9.9 m | 50 |
| COPPER CREEK | Idaho | Fair | 1975 | 12.7 m | 50 |
| N.F. CDA RIVER | Idaho | Poor | 1950 | 45.6 m | 50 |
| LOST CREEK | Idaho | Fair | 1953 | 12.3 m | 50 |
| OWSLEY CANAL;SE TERRETON | Idaho | Good | 1976 | 9.1 m | 50 |
| TEPEE CREEK | Idaho | Fair | 1976 | 12.3 m | 50 |
| BURNT CABIN CR | Idaho | Fair | 1948 | 8.1 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.