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
S.FK.CDA R;TERROR GULCH Idaho Fair 1973 24.4 m 900
MUD CREEK Idaho Fair 2004 16.2 m 900
ANDERSON CANAL Idaho Fair 1954 6.7 m 900
PALOUSE RIVER Idaho Fair 1974 24.4 m 900
SAND CREEK Idaho Fair 1981 14.0 m 890
KALISPELL CREEK Idaho Good 2020 14.0 m 880
BROWN CREEK Idaho Fair 1954 18.9 m 880
LEMHI RIVER (ALLEN BR) Idaho Good 2016 22.6 m 880
PINE CREEK Idaho Fair 1977 29.3 m 880
PINE CREEK Idaho Fair 1953 26.5 m 880
PINE CREEK Idaho Fair 1977 29.3 m 880
PINE CREEK Idaho Good 2019 40.2 m 880
PACK RIVER Idaho Poor 1941 29.3 m 870
HIGH LINE CANAL Idaho Good 2006 22.8 m 870
GROUSE CREEK Idaho Poor 1941 19.8 m 870
ABERDEEN SPRINGFIELD CNL Idaho Fair 1978 25.6 m 870
PEOPLES CANAL Idaho Fair 1978 12.8 m 870
LEMHI RIVER Idaho Good 2018 25.9 m 860
LEMHI RIVER Idaho Good 2018 20.1 m 860
LEMHI RIVER Idaho Good 2018 25.9 m 860
LEMHI RIVER Idaho Good 2019 25.0 m 860
LEMHI RIVER Idaho Good 2019 25.0 m 860
LEMHI RIVER Idaho Good 2019 24.7 m 860
LEMHI RIVER Idaho Good 2019 25.3 m 860
AGENCY CREEK Idaho Good 2019 7.3 m 860
LEMHI RIVER Idaho Good 2018 25.6 m 860
DANSKIN CANAL Idaho Fair 1965 6.4 m 860
US 12 WB; LEWISTON IC Idaho Fair 1977 61.0 m 850
I 84;BASELINE SIMCO IC Idaho Good 2024 68.3 m 850
S.FK.COTTONWOOD CREEK Idaho Good 1977 7.6 m 850
COTTONWOOD CREEK Idaho Fair 1947 11.6 m 850
CLEAR CREEK Idaho Good 2021 25.6 m 850
BLACK CANYON CANAL Idaho Fair 1973 18.9 m 840
BUTTE ARM CANAL Idaho Fair 2005 7.9 m 840
BUTTE ARM CANAL Idaho Fair 2006 9.1 m 840
FARMERS COOP SEBREE CNL Idaho Fair 1990 10.1 m 830
GALLOWAY CANAL Idaho Good 1971 7.3 m 830
LOWER PAYETTE DITCH Idaho Good 2024 12.2 m 830
MAIN CANAL Idaho Good 1969 18.3 m 820
COEUR DALENE RIVER Idaho Fair 2007 184.7 m 820
MAIN FORK STUART GULCH Idaho Good 1998 18.6 m 820
WEISER RIVER Idaho Fair 1995 78.3 m 820
FERNAN LAKE Idaho Good 2010 135.3 m 820
CLARK FORK RIVER Idaho Fair 2004 306.6 m 820
I 15 NB-SB;E 200 N GS Idaho Fair 1968 78.6 m 810
MARKET LAKE CANAL Idaho Good 1959 6.4 m 810
WARM SPRING CREEK Idaho Good 2018 7.0 m 810
TRAIL CREEK Idaho Good 2007 6.7 m 810
I90R.AB;I90B;S.F.CDA RVR Idaho Fair 1991 198.4 m 800
BIKE/PED UNDERPASS Idaho Fair 1991 119.2 m 800

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.