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
BIG LOST RIVER Idaho Good 1992 14.9 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
E 100 SOUTH ROAD Idaho Fair 2022 7.3 m 100
SOLDIER CREEK Idaho Fair 2022 7.3 m 100
PAHSIMEROI RIVER Idaho Good 2016 24.7 m 100
ANDERSON CREEK Idaho Poor 1983 9.1 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
CARIBOU CREEK Idaho Fair 1985 17.1 m 100
D LINE CANAL Idaho Fair 1974 8.2 m 100
CANYON CREEK Idaho Good 2012 11.0 m 100
SULPHUR CREEK Idaho Good 2012 10.4 m 100
SEBREE CANAL Idaho Fair 1994 8.5 m 100
SKI TRAIL Idaho Good 2023 12.9 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
W.FK.PINE CREEK Idaho Fair 1975 22.6 m 100
BADGER CREEK Idaho Good 2013 13.1 m 100
E. FORK BRUNEAU RIVER Idaho Good 2000 12.8 m 100
DRY BED Idaho Good 1992 15.5 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
RAINEY CREEK Idaho Good 2024 19.2 m 100
ST. ANTHONY CANAL Idaho Fair 1996 8.5 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
BADGER CREEK Idaho Good 1977 8.5 m 100
BADGER CREEK Idaho Good 2012 9.1 m 100
N.FK.CLEARWATER;GRANDAD Idaho Good 1971 368.2 m 100
ENTERPRISE CANAL Idaho Fair 1986 8.8 m 100
S. FORK CLEARWATER Idaho Fair 1963 75.3 m 100
LITTLE SALMON R;POLLOCK Idaho Fair 1927 29.0 m 100
REXBURG CANAL Idaho Good 2023 7.9 m 100
LITTLE SALMON RIVER Idaho Good 2004 41.5 m 100
AGATHA CREEK TRESTLE Idaho Poor 1912 34.1 m 100
BIG CREEK TRESTLE Idaho Poor 1912 22.6 m 100
BLACK PRINCE TRESTLE Idaho Poor 1912 42.7 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.