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
I 84;VINYARD RD GS Idaho Poor 1965 67.1 m 70
CROSSCUT CANAL Idaho Fair 1970 16.2 m 70
OAKLAND CANAL Idaho Fair 1973 6.4 m 70
ST. ANTHONY CANAL Idaho Fair 1960 6.7 m 70
LOW LINE CANAL Idaho Fair 1978 24.4 m 70
PERRINE COULEE CANAL Idaho Fair 1962 7.9 m 70
LOW LINE CANAL Idaho Fair 1978 16.8 m 70
HIGH LINE CANAL Idaho Fair 1936 17.1 m 70
TWIN FALLS MAIN CANAL Idaho Fair 1975 43.6 m 70
W.FK.WEISER RIVER Idaho Good 2022 18.3 m 70
ST ANTHONY CANAL Idaho Poor 1971 7.9 m 70
M.FK.WEISER RIVER Idaho Poor 1957 9.8 m 70
M.FK.WEISER RIVER Idaho Fair 1960 11.0 m 70
ST. ANTHONY CANAL Idaho Fair 1991 9.1 m 70
TEXAS SLOUGH;SE.THORNTON Idaho Fair 1978 11.0 m 70
HIGH LINE CANAL Idaho Fair 1995 9.1 m 70
C LINE WEST CANAL Idaho Fair 1985 9.1 m 70
GOLDEN GATE CANAL Idaho Fair 1965 13.4 m 70
LOW LINE CANAL Idaho Fair 1997 16.8 m 70
MORA CANAL Idaho Fair 1987 9.1 m 70
OAKLAND CANAL Idaho Fair 1965 6.1 m 70
S.FK.BOISE RIVER;NE.PINE Idaho Fair 1954 56.1 m 70
ENTERPRISE CANAL Idaho Fair 1978 9.1 m 70
LUNCH CREEK Idaho Good 1986 7.3 m 70
TROUT CREEK Idaho Fair 1985 7.3 m 70
BIG CREEK Idaho Fair 1975 14.0 m 70
RIORDAN CREEK Idaho Good 1997 12.2 m 70
OROFINO CREEK Idaho Fair 1925 18.9 m 70
SHEBANG CREEK Idaho Fair 1970 9.4 m 70
BIG SPRINGS CONN. DITCH Idaho Good 2011 7.3 m 70
LITTLE SALMON RIVER Idaho Good 2004 39.3 m 70
LONG ISLAND CANAL Idaho Fair 1967 7.3 m 70
HARRISON CANAL Idaho Fair 1971 12.2 m 70
HOG MEADOW CREEK Idaho Good 1973 10.7 m 70
POTLATCH RIVER Idaho Good 2018 28.0 m 70
LONG HOLLOW CREEK Idaho Fair 1920 9.8 m 70
WILLOW CREEK Idaho Good 1996 12.5 m 70
LITTLE SPRINGS Idaho Good 2011 8.8 m 70
PAHSIMEROI RIVER Idaho Good 2011 11.9 m 70
N.FK.TETON R;NW.TETON BR Idaho Fair 1977 15.8 m 70
WOOD RIVER Idaho Fair 1967 9.1 m 70
FOURTH OF JULY CREEK Idaho Good 2013 15.5 m 70
PRICHARD CREEK Idaho Fair 1979 12.2 m 70
LIBERTY PARK CANAL Idaho Good 2021 7.1 m 70
TEXAS SLOUGH Idaho Good 2021 10.7 m 70
TETON CREEK Idaho Good 2004 20.1 m 70
GRAND VIEW IRRG.DIST.CNL Idaho Fair 1930 7.0 m 65
ROSE CREEK Idaho Fair 1958 12.2 m 62
BUTTE MARKET LAKE CANAL Idaho Poor 1962 18.3 m 61
SALMON RIVER Idaho Good 2016 67.4 m 60

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.