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
HAYDEN CREEK Idaho Fair 1987 10.7 m 2,500
CANAL Idaho Fair 1985 9.8 m 2,500
BLACKFOOT CANAL Idaho Fair 2006 15.5 m 2,500
RESERVATION CANAL Idaho Fair 2006 15.5 m 2,500
I 90 EB-WB;MCGUIRE RD.GS Idaho Fair 1976 98.8 m 2,500
US 26 NB-SB;S.BLVD GS Idaho Good 2001 52.4 m 2,400
WILLOW CREEK Idaho Fair 1989 8.2 m 2,400
CANYON CANAL Idaho Fair 2003 7.9 m 2,400
MILL SLOUGH Idaho Fair 1995 8.5 m 2,400
B-4 CANAL Idaho Fair 1941 12.5 m 2,400
I 90 EB-WB;9TH ST GS Idaho Fair 1960 69.8 m 2,400
LOWER PAYETTE CANAL Idaho Fair 1993 36.0 m 2,400
PAYETTE RIVER SLOUGH Idaho Fair 1993 58.2 m 2,400
SAND CREEK Idaho Good 1977 13.7 m 2,400
PINE CREEK Idaho Fair 1967 36.9 m 2,400
NEW YORK CANAL Idaho Fair 1977 24.1 m 2,400
BIG WOOD RIVER Idaho Fair 1991 29.6 m 2,400
HOWARD CREEK Idaho Fair 2005 12.5 m 2,400
TARGHEE CREEK Idaho Fair 2006 25.3 m 2,400
J COULEE CANAL Idaho Fair 2014 7.3 m 2,400
C CANAL Idaho Fair 1979 7.0 m 2,300
ARROW GULCH Idaho Fair 1968 19.8 m 2,300
LITTLE POTLATCH CREEK Idaho Good 1988 18.6 m 2,300
M. FK. POTLATCH CREEK Idaho Good 2021 32.3 m 2,300
NEW YORK CANAL Idaho Fair 1981 16.2 m 2,300
I 90 EB-WB;KINGSTON IC Idaho Good 2018 52.7 m 2,300
US 20;SH 33 SPUR IC Idaho Fair 2001 73.5 m 2,300
LITTLE WOOD RIVER Idaho Fair 1987 16.5 m 2,300
BIG LOST RIVER Idaho Fair 1958 16.2 m 2,300
FARMERS COOP CANAL Idaho Fair 1960 7.0 m 2,300
I 86;WEST POCATELLO IC Idaho Fair 1968 86.3 m 2,300
LOWER PAYETTE DITCH Idaho Good 2009 7.9 m 2,300
LOW LINE CANAL Idaho Fair 1977 16.2 m 2,300
GRAND TETON CANAL Idaho Fair 2005 7.6 m 2,300
CASCADE RESERVOIR Idaho Fair 1975 49.4 m 2,300
S.FK.CDA R;I-90B ARCH Idaho Poor 1940 28.7 m 2,300
WEST CACHE CANAL Idaho Good 1993 7.3 m 2,300
FARMERS FRIEND CANAL Idaho Fair 1950 6.7 m 2,300
GARDEN CREEK Idaho Fair 1941 6.4 m 2,300
WEISER RIVER Idaho Fair 2020 82.9 m 2,300
WEISER RIVER;TAMARACK BR Idaho Good 2017 18.9 m 2,300
PHYLLIS CANAL Idaho Fair 1978 8.2 m 2,300
THORN CREEK Idaho Fair 1939 7.0 m 2,300
M.FK.PAYETTE R;CROUCH BR Idaho Good 2013 48.8 m 2,300
MILL SLOUGH Idaho Fair 1999 9.8 m 2,300
N CANAL Idaho Fair 1973 8.5 m 2,300
I 15;FERRY BUTTE ROAD GS Idaho Fair 1959 86.0 m 2,250
S.FK.COEUR DALENE RIVER Idaho Good 2016 64.0 m 2,200
ENTERPRIZE CANAL Idaho Good 2015 6.1 m 2,200
ANDERSON CANAL Idaho Fair 1969 12.8 m 2,200

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.