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
BISSELL LANE RD.GS Idaho Fair 1971 38.4 m 6,000
MARSH VALLEY ROAD Idaho Fair 1971 38.7 m 6,000
MARSH VALLEY ROAD Idaho Fair 1971 38.7 m 6,000
WOODLAND RD.GS Idaho Fair 1971 42.4 m 6,000
WOODLAND RD.GS Idaho Fair 1971 42.4 m 6,000
SH 40;DOWNEY IC Idaho Fair 1971 49.4 m 6,000
SH 40;DOWNEY IC Idaho Fair 1971 49.4 m 6,000
BOISE VRT CENTER Idaho Good 2016 43.9 m 6,000
ROCK CREEK Idaho Poor 1973 6.4 m 6,000
BOULDER CREEK Idaho Fair 1999 17.4 m 6,000
LAKE FORK CREEK CANAL Idaho Fair 1998 9.8 m 6,000
N CANAL Idaho Fair 1983 7.3 m 5,900
FARMERS UNION CANAL Idaho Fair 1962 6.1 m 5,900
FARMERS UNION CANAL Idaho Good 1992 12.5 m 5,900
DRY CREEK CANAL Idaho Good 1991 18.3 m 5,900
N CANAL Idaho Good 1983 7.3 m 5,900
I 84 EB-WB;E.BLISS IC Idaho Fair 1974 111.9 m 5,900
N CANAL Idaho Good 1983 7.3 m 5,900
DRY CREEK Idaho Good 1991 8.2 m 5,900
FARMERS UNION CANAL Idaho Good 1993 10.7 m 5,900
CEDAR CREEK DRAW Idaho Fair 2002 24.4 m 5,900
FARMERS UNION CANAL Idaho Good 1984 9.1 m 5,900
HIGH LINE CANAL Idaho Fair 1956 23.9 m 5,800
ANDERSON CANAL Idaho Fair 1969 18.0 m 5,800
EAGLE ROCK CANAL Idaho Fair 1969 14.0 m 5,800
PARADISE CREEK Idaho Good 1997 8.2 m 5,800
S.FK.COEUR DALENE RIVER Idaho Fair 1978 57.6 m 5,750
S.FK.COEUR DALENE RIVER Idaho Fair 1978 56.1 m 5,750
DIVISION STREET Idaho Good 2022 50.3 m 5,750
DIVISION STREET Idaho Good 2023 50.3 m 5,750
RAFT RIVER Idaho Fair 1973 15.5 m 5,750
RAFT RIVER Idaho Fair 1967 15.8 m 5,750
JOHNSON CREEK Idaho Fair 1970 43.9 m 5,700
RIDENBAUGH CANAL Idaho Good 1990 9.8 m 5,700
PORTNEUF RIVER Idaho Good 2011 105.5 m 5,700
PORTNEUF RIVER Idaho Fair 2011 60.4 m 5,700
UPRR & CANAL; TOPAZ OP Idaho Fair 2011 186.8 m 5,700
PORTNEUF RIVER Idaho Good 2008 55.2 m 5,700
LINDSAY CREEK Idaho Fair 1997 15.5 m 5,700
N. FK. PAYETTE RIVER Idaho Good 2015 76.2 m 5,700
S.FK.COEUR DALENE RIVER Idaho Fair 1976 36.6 m 5,600
US 93 Idaho Fair 2011 81.7 m 5,600
PALOUSE RIVER Idaho Fair 2002 41.8 m 5,600
SPRING CREEK Idaho Poor 1975 13.1 m 5,600
S.FK.LEIGH CREEK Idaho Good 1979 10.7 m 5,600
UPRR;SODAS 3RD E.ST OP Idaho Fair 1978 24.1 m 5,600
IDAHO CANAL Idaho Fair 2013 17.7 m 5,600
MONROE CREEK Idaho Good 1999 13.1 m 5,600
GALLOWAY CANAL Idaho Good 1999 8.2 m 5,600
RAMP;SNAKE RIVER;HIGH BR Idaho Good 1982 167.6 m 5,550

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.