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
J CANAL;SW DECLO BR Idaho Fair 1978 14.0 m 170
H CANAL Idaho Fair 1983 6.4 m 170
NOBLE CANAL Idaho Fair 1966 7.6 m 170
FARMERS COOP CANAL Idaho Fair 1950 9.1 m 170
T.F.NORTHSIDE MAIN CNL Idaho Fair 1930 9.1 m 170
T.F.NORTHSIDE MAIN CNL Idaho Fair 1930 9.1 m 170
WILLOW CREEK Idaho Fair 1945 18.3 m 170
N CANAL Idaho Good 1964 7.6 m 170
LONG ISLAND CANAL Idaho Fair 1969 12.5 m 170
L CANAL Idaho Fair 1975 12.5 m 170
LITTLE CANYON CREEK Idaho Poor 1995 7.3 m 170
LITTLE CANYON CREEK Idaho Poor 1970 15.5 m 170
LOW LINE CANAL Idaho Fair 1953 14.6 m 170
BIG LOST RIVER Idaho Fair 1973 18.0 m 170
SALMON RIVER;BAYHORSE CR Idaho Fair 1930 37.2 m 170
POTLATCH RVR(SPERRY BR) Idaho Fair 1908 73.8 m 170
GOLDEN GATE CANAL Idaho Fair 2002 7.7 m 170
RIVERSIDE CANAL Idaho Fair 1995 9.1 m 170
S.FK.CDA RIVER Idaho Fair 1964 11.6 m 160
BANNOCK CR.;RATTLESNAKE Idaho Good 1964 8.8 m 160
SNAKE RIVER(KINGHILL BR) Idaho Fair 2001 109.7 m 160
CLOVER CREEK;KING HILL Idaho Fair 1970 52.1 m 160
I 84;E.KING HILL IC Idaho Fair 1970 82.9 m 160
AMERICAN RIVER Idaho Good 2014 14.3 m 160
GRAYS CREEK Idaho Good 2024 15.1 m 160
GRAYS CREEK Idaho Fair 1930 8.2 m 160
SIEGEL CREEK Idaho Good 1964 7.9 m 160
WHISKEY CREEK Idaho Good 2019 19.8 m 160
SPRING CREEK Idaho Fair 1998 9.4 m 160
DRY CREEK Idaho Fair 1969 8.5 m 160
SHERIDAN CREEK Idaho Fair 1966 7.3 m 160
NORTH CANAL Idaho Fair 1984 9.4 m 160
ANDERSON CANAL Idaho Fair 1971 11.9 m 160
LITTLE SAND CREEK Idaho Fair 1959 8.5 m 160
SAND CREEK Idaho Good 2010 14.6 m 160
RESERVATION CANAL Idaho Fair 1974 19.2 m 160
I 15;WILLIE ROAD GS Idaho Poor 1959 64.6 m 160
I 15 NB-SB;CO.LINE RD.GS Idaho Fair 1962 77.4 m 160
RELIEF CHANNEL Idaho Fair 1964 10.1 m 160
PORTNEUF RIVER Idaho Fair 2008 21.3 m 160
ST JOE RIVER;CALDER BR. Idaho Fair 1990 90.2 m 160
I 86;ROCK CREEK RD IC Idaho Fair 1984 108.2 m 160
MULDOON CREEK Idaho Good 2021 12.2 m 160
JACKKNIFE CREEK Idaho Fair 1976 7.3 m 160
H CANAL Idaho Fair 1976 9.1 m 160
T.F.NORTHSIDE MAIN CNL Idaho Fair 1930 9.4 m 160
I 84 EB-WB;E 2800 S GS Idaho Good 1972 155.1 m 160
BIG LOST RIVER(PENCE BR) Idaho Good 2018 34.4 m 160
INDEPENDENT CANAL Idaho Fair 1962 8.8 m 160
INDEPENDENT CANAL Idaho Fair 1976 10.1 m 160

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.