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
CAMAS CREEK Idaho Good 2003 36.6 m 30
J CANAL Idaho Good 2000 13.1 m 30
EAST CANAL Idaho Good 2011 11.3 m 30
J CANAL Idaho Good 2000 14.6 m 30
I 84 EB-WB;SWEETZER IC Idaho Fair 1968 71.6 m 30
DRY CREEK Idaho Poor 1930 18.9 m 30
GOODING MAIN CANAL Idaho Fair 1930 7.6 m 30
DRY CREEK Idaho Fair 1930 13.1 m 30
GOODING MAIN CANAL Idaho Fair 1930 7.9 m 30
CANAL Idaho Fair 1930 7.6 m 30
LITTLE WOOD RIVER Idaho Fair 1940 11.9 m 30
DRY CREEK Idaho Fair 1930 18.6 m 30
BIG WOOD RIVER Idaho Fair 1999 42.1 m 30
CLOVER CREEK Idaho Fair 1977 8.5 m 30
DRY CREEK Idaho Fair 1930 18.9 m 30
X CANAL Idaho Fair 1930 10.1 m 30
CLOVER CREEK Idaho Poor 1985 12.5 m 30
LITTLE WOOD RIVER Idaho Good 2024 16.8 m 30
MILNER GOODING CANAL Idaho Fair 1965 18.9 m 30
EAST MAIN CANAL Idaho Poor 1965 12.2 m 30
LITTLE WOOD RIVER Idaho Good 2023 14.6 m 30
EAST MAIN CANAL Idaho Good 2024 16.8 m 30
STRATTON CANAL Idaho Fair 1968 11.6 m 30
TWIN FALLS MAIN CANAL Idaho Fair 1997 38.1 m 30
HIGH LINE CANAL Idaho Fair 1930 10.7 m 30
SALMON FALLS CREEK Idaho Fair 1921 11.9 m 30
SALMON RIVER CANAL Idaho Fair 1980 11.0 m 30
WEISER RIVER Idaho Fair 1923 15.5 m 30
HORNET CREEK Idaho Fair 1960 7.9 m 30
BEAVER CREEK Idaho Fair 1922 6.1 m 30
BEAR CREEK Idaho Good 2011 14.9 m 30
LITTLE WEISER RIVER Idaho Fair 1953 21.9 m 30
WILDHORSE RIVER Idaho Poor 1908 14.6 m 30
WILDHORSE RIVER Idaho Fair 1975 15.2 m 30
WILDHORSE RIVER Idaho Fair 1975 12.5 m 30
DEER FLAT CANAL Idaho Fair 1992 16.2 m 30
MIDDLE LINE CANAL Idaho Good 2022 15.2 m 30
KING HILL CREEK Idaho Fair 1963 18.6 m 30
CANYON CREEK Idaho Good 2011 15.5 m 30
PIERCE CREEK Idaho Fair 2012 9.1 m 30
ELK CREEK Idaho Good 2007 9.8 m 30
FALL CREEK Idaho Poor 1987 15.8 m 30
M.FK.BOISE R;SHEEP CREEK Idaho Fair 1965 59.4 m 30
M.FK.BOISE RIVER;LOFTUS Idaho Fair 1962 55.2 m 30
SMITH CREEK Idaho Fair 1967 8.5 m 30
M.FK.BOISE RIVER Idaho Good 1968 26.8 m 30
BLACK WARRIOR CREEK Idaho Poor 1975 9.4 m 30
QUEENS RIVER NO. 2 Idaho Poor 1962 19.2 m 30
M.FK.BOISE RIVER(KIRBY) Idaho Poor 1991 41.8 m 30
YUBA RIVER Idaho Fair 1965 24.1 m 30

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.