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
LANES GULCH Idaho Good 1981 6.9 m 100
ROCK CR;REGISTER ROCK BR Idaho Fair 1981 26.2 m 100
BELLEVUE CANAL Idaho Fair 2000 8.2 m 100
BIG WOOD RIVER Idaho Fair 1975 21.3 m 100
BELLEVUE CANAL Idaho Fair 1993 8.5 m 100
W.FK.PINE CREEK Idaho Fair 1975 22.6 m 100
KNOWLTON CREEK Idaho Good 2024 18.7 m 100
LITTLE N.FK.CDA RIVER Idaho Good 1985 43.0 m 100
BEAR CREEK;NW.CALDER BR Idaho Fair 1960 11.3 m 100
BLACK PRINCE TRESTLE Idaho Poor 1912 42.7 m 100
CARIBOU CREEK Idaho Fair 1985 17.1 m 100
W FK SAND CREEK Idaho Good 2021 12.6 m 100
HORNET CREEK Idaho Fair 1971 15.5 m 100
HORNET CREEK Idaho Fair 1950 12.2 m 100
LITTLE WEISER RIVER Idaho Fair 1981 18.6 m 100
LITTLE SALMON RIVER Idaho Fair 1930 24.4 m 100
HORNET CREEK Idaho Poor 1949 12.2 m 100
REXBURG CANAL Idaho Good 2023 7.9 m 100
ANDERSON CREEK Idaho Poor 1983 9.1 m 100
BADGER CREEK Idaho Good 1977 8.5 m 100
MORES CREEK Idaho Fair 1991 14.9 m 100
SAND HOLLOW CR Idaho Good 1963 6.7 m 100
HIGH LINE CANAL Idaho Fair 1974 7.3 m 100
SAND RUN GULCH Idaho Fair 1967 8.5 m 100
LOW LINE CANAL Idaho Fair 1992 17.7 m 100
SAND RUN GULCH Idaho Fair 1969 8.5 m 100
D LINE CANAL Idaho Fair 1974 8.2 m 100
SEBREE CANAL Idaho Fair 1994 8.5 m 100
SQUAW CREEK Idaho Poor 1960 7.3 m 100
BADGER CREEK Idaho Good 2012 9.1 m 100
MEDIMONT PED OP Idaho Fair 1979 19.5 m 100
CEDAR CREEK Idaho Fair 1961 6.1 m 100
BLACK CANYON CANAL Idaho Fair 1976 21.9 m 100
BLACK CANYON CANAL Idaho Fair 1955 21.6 m 100
PAYETTE RIVER TRIBUTARY Idaho Fair 2008 27.7 m 100
SKI TRAIL Idaho Good 2023 12.9 m 100
E. FORK BRUNEAU RIVER Idaho Good 2000 12.8 m 100
NOBLE CANAL Idaho Fair 1992 7.9 m 100
FARMERS COOP CANAL Idaho Fair 1965 9.1 m 100
A LINE CANAL Idaho Fair 2003 16.5 m 100
NOBLE CANAL Idaho Fair 1969 8.2 m 100
ROUND VALLEY CREEK Idaho Good 1992 12.8 m 100
BIG CREEK Idaho Fair 1976 11.0 m 100
N FK PAYETTE R(N BEACH) Idaho Good 2023 35.1 m 100
LEMAH CREEK Idaho Good 2015 8.9 m 100
N.FK.CLEARWATER;GRANDAD Idaho Good 1971 368.2 m 100
BIG LOST RIVER Idaho Good 1992 14.9 m 100
S. FORK CLEARWATER Idaho Fair 1963 75.3 m 100
PAHSIMEROI RIVER Idaho Good 2016 24.7 m 100
LITTLE SALMON R;POLLOCK Idaho Fair 1927 29.0 m 100

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.