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
IDAHO CANAL Idaho Fair 1972 11.6 m 3,700
LAPWAI CREEK Idaho Fair 2012 35.7 m 3,600
LAPWAI CREEK Idaho Fair 2012 35.7 m 3,600
B LINE CANAL Idaho Good 1982 7.3 m 3,600
MIDDLETON CANAL Idaho Fair 1994 7.3 m 3,600
MIDDLETON CANAL Idaho Good 1965 8.2 m 3,600
LAPWAI CREEK Idaho Fair 2012 35.7 m 3,600
LAPWAI CREEK Idaho Good 2019 7.9 m 3,600
DRY CREEK CANAL Idaho Good 2015 10.4 m 3,600
LAPWAI CREEK Idaho Good 2019 9.4 m 3,600
LAPWAI CREEK Idaho Fair 2012 35.7 m 3,600
LAPWAI CREEK Idaho Good 2019 7.9 m 3,600
LAPWAI CREEK Idaho Good 2020 11.3 m 3,600
MISSION CREEK Idaho Good 1997 20.7 m 3,600
LAPWAI CREEK Idaho Fair 2012 35.7 m 3,600
SWEETWATER CREEK Idaho Good 1992 17.7 m 3,600
LAPWAI CREEK Idaho Good 2019 8.2 m 3,600
APPLEWAY PED OP Idaho Fair 1971 34.7 m 3,600
LAPWAI CREEK Idaho Fair 2012 35.7 m 3,600
LAPWAI CREEK Idaho Good 2020 9.4 m 3,600
LAPWAI CREEK Idaho Good 2020 11.0 m 3,600
LATERAL W-9 CANAL Idaho Good 2016 7.0 m 3,600
PEOPLES CANAL Idaho Good 2018 12.5 m 3,600
BIG WOOD RIVER Idaho Good 2022 38.4 m 3,600
LAPWAI CREEK Idaho Good 2019 8.2 m 3,600
MIDDLETON CANAL Idaho Good 1966 9.4 m 3,600
E.FK. LAPWAI CREEK Idaho Fair 1957 16.2 m 3,600
LAPWAI CREEK Idaho Good 2020 10.4 m 3,600
LITTLE PINE CREEK Idaho Fair 1935 6.4 m 3,600
I 90 EB-WB;BUNKER AVE IC Idaho Fair 1964 53.3 m 3,600
LAPWAI CREEK Idaho Fair 2012 35.7 m 3,600
BIG CANYON CREEK Idaho Good 1984 36.6 m 3,500
N. FK. PAYETTE RIVER Idaho Good 2005 85.0 m 3,500
MORES CR;LUCKY PEAK RES. Idaho Fair 1953 258.5 m 3,500
WILDLIFE CROSSING Idaho Good 2010 22.9 m 3,500
PARKS LEWISVILLE CANAL Idaho Fair 1939 6.1 m 3,500
MENAN CANAL Idaho Good 2010 12.2 m 3,500
B CANAL Idaho Good 1983 31.4 m 3,500
B-2 CANAL Idaho Fair 1972 9.8 m 3,500
B-1 CANAL Idaho Fair 1972 6.4 m 3,500
FIGHTING CREEK Idaho Good 2006 19.5 m 3,500
UPRR;AMERICAN FALLS OP Idaho Good 1990 39.0 m 3,500
DRAIN DITCH Idaho Fair 1988 10.1 m 3,500
US 95 Idaho Good 2020 41.8 m 3,500
LAWYERS CANYON CREEK Idaho Fair 1991 280.1 m 3,500
DRY BED CANAL Idaho Fair 1999 24.7 m 3,500
DRY BED CANAL Idaho Fair 1999 18.6 m 3,500
BEAR RIVER Idaho Good 1973 39.3 m 3,500
FIGHTING CREEK Idaho Good 2007 19.5 m 3,500
DRAIN Idaho Good 1991 7.3 m 3,500

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.