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 |
|---|---|---|---|---|---|
| GROVE CREEK | Idaho | Fair | 1971 | 9.8 m | 970 |
| LOVING CREEK | Idaho | Good | 1971 | 7.3 m | 970 |
| PINE CREEK;WB ON RAMP | Idaho | Fair | 1965 | 43.0 m | 970 |
| I 84 EB-WB;TUTTLE IC | Idaho | Fair | 1977 | 92.0 m | 970 |
| INDIAN CREEK | Idaho | Good | 2009 | 16.5 m | 968 |
| BIG BEAR CREEK | Idaho | Good | 1982 | 15.5 m | 960 |
| FLAT CREEK | Idaho | Fair | 1959 | 7.0 m | 960 |
| PALOUSE RIVER | Idaho | Fair | 1953 | 34.4 m | 960 |
| IDAHO CANAL | Idaho | Fair | 1952 | 9.4 m | 960 |
| S.FK.PALOUSE RIVER | Idaho | Good | 2024 | 12.2 m | 960 |
| COEUR DALENE RIVER | Idaho | Poor | 1951 | 104.9 m | 960 |
| FARMERS COOP SEBREE CNL | Idaho | Fair | 1976 | 10.7 m | 960 |
| IDAHO CANAL | Idaho | Fair | 1964 | 12.8 m | 960 |
| ENTERPRISE CANAL | Idaho | Poor | 1950 | 7.9 m | 950 |
| S.FK.PALOUSE RIVER | Idaho | Fair | 1971 | 15.5 m | 950 |
| WILLOW CREEK | Idaho | Fair | 1978 | 7.0 m | 950 |
| S.FK.PALOUSE RIVER | Idaho | Fair | 1955 | 10.7 m | 950 |
| MAGGIE CREEK | Idaho | Good | 2018 | 18.3 m | 940 |
| I 84 WB-EB;W.BLISS IC | Idaho | Fair | 1974 | 92.7 m | 940 |
| NORTH CREEK | Idaho | Fair | 1983 | 10.7 m | 940 |
| HIGH LINE CANAL | Idaho | Fair | 1991 | 15.9 m | 940 |
| LITTLE SAND CREEK | Idaho | Fair | 1978 | 11.0 m | 940 |
| HIGH LINE CANAL | Idaho | Fair | 1990 | 19.2 m | 940 |
| ELMORE ST;ELMORE ST GS | Idaho | Fair | 1955 | 11.3 m | 940 |
| SAND CREEK | Idaho | Good | 1970 | 10.7 m | 940 |
| LITTLE CANYON CREEK | Idaho | Fair | 1955 | 36.6 m | 940 |
| FALLS CREEK | Idaho | Good | 1984 | 42.7 m | 930 |
| ST JOE RIVER | Idaho | Fair | 1985 | 169.5 m | 930 |
| MICA CREEK | Idaho | Fair | 1973 | 24.4 m | 930 |
| REXBURG CANAL | Idaho | Fair | 1977 | 7.9 m | 930 |
| PEOPLES CANAL | Idaho | Fair | 1971 | 10.4 m | 920 |
| GRANITE CREEK | Idaho | Good | 1996 | 20.4 m | 920 |
| TWIN FALLS MAIN CANAL | Idaho | Fair | 1971 | 62.2 m | 920 |
| SILVER CREEK | Idaho | Fair | 1979 | 14.3 m | 910 |
| LITTLE WOOD RIVER | Idaho | Fair | 1987 | 21.6 m | 910 |
| LITTLE WOOD RIVER | Idaho | Fair | 1987 | 19.8 m | 910 |
| LITTLE WOOD RIVER | Idaho | Fair | 1987 | 12.5 m | 910 |
| PALOUSE RIVER;HARVARD BR | Idaho | Fair | 1974 | 24.8 m | 910 |
| PALOUSE RIVER | Idaho | Fair | 1991 | 24.1 m | 910 |
| E.FK.MEADOW CREEK | Idaho | Good | 1991 | 6.4 m | 910 |
| SANTA CREEK(S.EMIDA BR) | Idaho | Fair | 1953 | 8.2 m | 910 |
| SANTA CREEK; N. EMIDA BR | Idaho | Good | 2020 | 28.3 m | 910 |
| SAND CREEK | Idaho | Fair | 1990 | 11.3 m | 910 |
| IDAHO CANAL | Idaho | Good | 2022 | 13.4 m | 910 |
| SAND CREEK | Idaho | Fair | 1969 | 12.2 m | 910 |
| SAND CREEK | Idaho | Fair | 1978 | 11.6 m | 910 |
| I 15;RIVERTON ROAD GS | Idaho | Fair | 1962 | 77.4 m | 910 |
| LITTLE SAND CREEK | Idaho | Fair | 1960 | 10.7 m | 910 |
| S.FK.CDA R;TERROR GULCH | Idaho | Fair | 1973 | 24.4 m | 900 |
| PALOUSE RIVER | Idaho | Fair | 1974 | 24.4 m | 900 |
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.