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.

Clear
BridgeLocationConditionYear BuiltLengthADT
BEAVER CREEK Idaho Fair 1965 19.2 m 1,700
BEAVER CREEK Idaho Fair 1991 20.1 m 1,700
EAGLE ROCK CANAL Idaho Fair 1991 14.0 m 1,700
ANDERSON CANAL Idaho Fair 1941 6.7 m 1,700
LEMHI RIVER Idaho Good 2001 26.8 m 1,700
LEMHI RIVER Idaho Good 2001 26.8 m 1,700
DEER FLAT HIGH LINE CNL Idaho Good 2017 6.7 m 1,700
LEWISVILLE CANAL Idaho Fair 1969 6.7 m 1,700
RIDENBAUGH CANAL Idaho Fair 1992 11.9 m 1,700
REXBURG CANAL Idaho Fair 2009 8.2 m 1,700
INDIAN CREEK Idaho Good 1980 7.3 m 1,700
ST MARIES R(MASHBURN BR) Idaho Fair 1961 50.9 m 1,700
ST MARIES RR Idaho Fair 1961 46.9 m 1,700
CANYON HILL LATERAL Idaho Fair 2009 7.6 m 1,700
HARRISON CANAL Idaho Fair 1974 8.5 m 1,700
BLACKFOOT RIVER Idaho Fair 1971 25.0 m 1,700
LONG ISLAND CANAL Idaho Fair 1966 9.1 m 1,700
I 84 EB-WB;IDAHOME RD GS Idaho Fair 1967 95.1 m 1,700
S. FORK SNAKE RIVER Idaho Fair 1999 123.1 m 1,600
I 90 EB-WB;ROSE LAKE IC Idaho Fair 1962 63.7 m 1,600
E.FK.BEAR CREEK Idaho Good 1982 19.8 m 1,600
I 86 EB-WB;ROCKLAND IC Idaho Fair 1959 74.7 m 1,600
LEMHI RIVER Idaho Good 2001 23.8 m 1,600
LEMHI RIVER Idaho Good 2018 20.4 m 1,600
BADGER CREEK Idaho Good 2016 18.6 m 1,600
I 84;EIGHTEENTH ST GS Idaho Fair 1971 91.7 m 1,600
SNAKE R.;INDIAN COVE BR. Idaho Fair 1967 171.3 m 1,600
BENNETT CREEK Idaho Good 1998 9.4 m 1,600
I 84;MALTA-YALE RD IC Idaho Fair 1963 67.1 m 1,600
RAWSON CANAL Idaho Fair 1973 9.8 m 1,600
UPRR;REDROCK OVERPASS Idaho Good 1995 63.4 m 1,600
SALEM UNION CANAL Idaho Fair 2002 7.0 m 1,600
I 84;CANYON CREEK RD GS Idaho Fair 1971 82.0 m 1,600
S. FORK SNAKE RIVER Idaho Fair 1999 49.7 m 1,600
NEW YORK CANAL Idaho Good 1997 27.1 m 1,600
U CANAL Idaho Fair 1954 17.4 m 1,600
I 84;BLACK CANYON RD IC Idaho Fair 1960 64.6 m 1,600
FARR LATERAL CANAL Idaho Fair 1993 7.0 m 1,600
SNAKE RIVER;GRANDVIEW BR Idaho Fair 1970 187.1 m 1,600
MIDDLE LINE CANAL Idaho Good 1994 7.6 m 1,600
DRY BED CANAL Idaho Fair 1965 28.3 m 1,600
HARRISON CANAL Idaho Good 1982 12.8 m 1,600
IDAHO CANAL Idaho Fair 2012 17.7 m 1,600
MORA CANAL Idaho Fair 1981 21.3 m 1,600
MORA CANAL Idaho Fair 1973 21.3 m 1,500
EGIN CANAL Idaho Good 2011 9.8 m 1,500
TETON CREEK Idaho Good 2004 6.7 m 1,500
LAKE FORK CREEK Idaho Fair 1973 18.3 m 1,500
I 15 NB-SB;VIRGINIA IC Idaho Fair 1971 118.9 m 1,500
LAKE FORK CANAL Idaho Fair 1996 7.0 m 1,500

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.