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
LITTLE SAND CREEK Idaho Fair 1992 11.3 m 250
MAIN NORTHSIDE CANAL Idaho Fair 1960 28.0 m 250
LANGLEY GULCH Idaho Fair 1978 6.7 m 250
BOISE RIVER Idaho Good 2008 101.8 m 250
CROSSCUT CANAL Idaho Good 2013 10.4 m 250
I 90;SHIPLETT ROAD GS Idaho Fair 1967 65.5 m 250
SPRING CREEK Idaho Fair 1975 7.0 m 250
WOLF LODGE CREEK Idaho Fair 1991 15.2 m 250
LOW LINE CANAL Idaho Fair 1963 11.0 m 250
MICA CREEK Idaho Fair 2006 10.8 m 250
I 15;SAND ROAD GS Idaho Fair 1959 64.6 m 250
MARIE CREEK Idaho Fair 1963 11.6 m 250
LAPWAI CREEK Idaho Fair 1983 16.5 m 250
EGIN CANAL Idaho Good 2020 18.9 m 250
GRAVEYARD GULCH Idaho Fair 1968 15.8 m 250
E.BR.GOOSE CR;NW.MEADOWS Idaho Fair 1968 7.9 m 250
GALLOWAY CANAL Idaho Good 2005 20.4 m 250
G CANAL Idaho Good 1986 6.7 m 250
WEISER RIVER Idaho Good 1998 75.0 m 250
G CANAL Idaho Fair 1989 7.3 m 250
C CANAL Idaho Fair 1965 10.7 m 250
T.F.NORTHSIDE MAIN CNL Idaho Fair 1966 61.6 m 250
MILNER GOODING CANAL Idaho Fair 1966 45.1 m 250
LANGLEY GULCH Idaho Fair 1975 7.0 m 250
RIVERSIDE CANAL Idaho Fair 1977 8.8 m 250
RIVERSIDE CANAL Idaho Fair 2000 9.8 m 250
FARMERS COOP SEBREE CNL Idaho Fair 1979 9.8 m 250
CEDAR DRAW CREEK Idaho Good 2012 7.3 m 250
CEDAR DRAW CREEK Idaho Fair 1999 9.1 m 250
SIDE CHANNEL TETON RIVER Idaho Fair 1935 18.6 m 250
TETON RIVER(CACHE BR) Idaho Fair 1956 32.0 m 250
DRY CREEK Idaho Good 1994 7.6 m 250
DEER FLAT LOW LINE CANAL Idaho Good 2024 7.7 m 240
SLAUGHTER HOUSE DRAW Idaho Good 2023 10.4 m 240
SQUAW CREEK;N.OLA BR. Idaho Fair 1965 19.2 m 240
SQUAW CREEK Idaho Good 2016 20.4 m 240
LOW LINE CANAL Idaho Fair 1998 11.3 m 240
S.FK.ROCK CREEK Idaho Fair 1952 6.1 m 240
ABERDEEN SPRINGFIELD CNL Idaho Fair 1962 25.3 m 240
ST JOE RIVER;ST JOE BR Idaho Fair 1979 71.9 m 240
ST. ANTHONY CANAL Idaho Fair 1963 10.4 m 240
ST. ANTHONY CANAL Idaho Good 1975 12.2 m 240
S. BRANCH FALL RIVER CNL Idaho Fair 1963 10.1 m 240
GOLDEN GATE CANAL Idaho Fair 1992 9.8 m 240
WATSON SLOUGH CANAL Idaho Fair 1968 6.7 m 235
LAPWAI CR;GARDEN GULCH Idaho Good 1995 18.0 m 230
GREAT WESTERN CANAL Idaho Fair 1956 10.1 m 230
EGIN CANAL Idaho Fair 1960 8.5 m 230
DAWSON CREEK Idaho Good 2009 13.1 m 230
FARMERS COOP SEBREE CNL Idaho Fair 1976 10.4 m 230

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.