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.

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BridgeLocationConditionYear BuiltLengthADT
MORA CANAL Idaho Fair 1995 12.2 m 120
DEER FLAT HIGH LINE Idaho Good 2013 7.6 m 120
SALMON RIVER (ISLAND BR) Idaho Good 2016 24.4 m 120
PORTNEUF R;PEBBLE BR Idaho Fair 1984 21.6 m 115
JACKKNIFE CREEK Idaho Good 2002 9.1 m 115
STRATTON CANAL Idaho Good 2013 17.4 m 112
BLACKFOOT RIVER Idaho Good 1990 24.4 m 110
BEAR RIVER;THATCHER BR. Idaho Fair 1984 69.2 m 110
BLACKFOOT RIVER Idaho Fair 2006 22.6 m 110
SALMON FALLS CREEK Idaho Fair 1984 12.2 m 110
SUMMIT CREEK Idaho Good 1975 24.4 m 110
SUMMIT CREEK Idaho Good 1975 29.6 m 110
LAKE CREEK Idaho Good 1975 24.4 m 110
BEAVER CREEK Idaho Fair 1973 11.3 m 110
GREAT WESTERN CANAL Idaho Fair 1951 11.3 m 110
SIDEHILL CANAL Idaho Fair 1957 7.8 m 110
W. CAMAS CREEK Idaho Good 1970 8.2 m 110
BEAVER CREEK Idaho Good 1970 7.3 m 110
INDIAN CREEK Idaho Fair 1970 12.2 m 110
TWO MOUTH CREEK Idaho Fair 1970 12.8 m 110
RESERVATION CANAL Idaho Fair 1984 6.7 m 110
TETON ISLAND CANAL Idaho Fair 1977 14.3 m 110
UPPER CROOKED RIVER Idaho Good 2024 15.2 m 110
W.BR.SNAKE R.VALLEY CNL Idaho Fair 1979 6.7 m 110
W BR SNAKE R VALLEY CNL Idaho Fair 1980 6.4 m 110
SAND CREEK CANAL Idaho Fair 1979 8.5 m 110
BLACKFOOT CANAL Idaho Fair 1990 9.1 m 110
BIG LOST RIVER Idaho Fair 1984 9.1 m 110
CROOKED RIVER Idaho Good 1965 9.1 m 110
I 86;MASSACRE ROCKS IC Idaho Fair 1985 79.6 m 110
UPPER CROOKED RIVER Idaho Poor 1965 7.9 m 110
DRAIN Idaho Good 2023 12.2 m 110
S.FK.CLEARWATER RIVER Idaho Fair 1986 31.1 m 110
THOMPSON LAKE OUTLET BR Idaho Fair 1986 14.6 m 110
CLOVER CREEK Idaho Fair 1970 9.8 m 110
C CANAL Idaho Poor 1962 7.9 m 110
BIG LOST RIVER Idaho Fair 1996 21.3 m 110
LITTLE POTLATCH CREEK Idaho Fair 1973 8.2 m 110
LITTLE POTLATCH CREEK Idaho Fair 1940 13.1 m 110
OROFINO CREEK Idaho Fair 1960 9.8 m 110
LITTLE POTLATCH CREEK Idaho Fair 1965 10.7 m 110
LITTLE POTLATCH CREEK Idaho Fair 1936 7.9 m 110
WEISER RIVER Idaho Fair 1998 57.0 m 110
I 90;MILL ROAD IC Idaho Poor 1963 73.2 m 110
FARMERS COOP SEBREE CNL Idaho Fair 1971 8.8 m 110
WALDVOGEL CANAL Idaho Fair 2004 7.6 m 110
POTLACH RIVER Idaho Good 2016 48.8 m 110
LITTLE VALLEY CREEK Idaho Fair 1974 7.9 m 110
LAPWAI CREEK Idaho Fair 1963 14.6 m 110
TETON ISLAND CANAL Idaho Good 1977 13.7 m 110

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.