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
I 15 NB-SB;WOODVILLE GS Idaho Fair 1962 77.4 m 130
COW CREEK Idaho Fair 1930 6.7 m 130
DRY CREEK Idaho Good 2021 19.5 m 130
GREAT WESTERN CANAL Idaho Good 2021 22.6 m 130
T.F.NORTHSIDE MAIN CNL Idaho Fair 1969 10.1 m 130
SALEM CANAL Idaho Good 2017 13.4 m 130
BOYER SLOUGH;SE.KOOTENAI Idaho Fair 1969 17.4 m 130
BIG WILLOW CREEK Idaho Poor 1962 21.6 m 130
I 84;EIRR;300 W GS Idaho Fair 1971 118.3 m 130
BIG WILLOW CREEK Idaho Good 1988 19.8 m 130
DEEP CREEK Idaho Good 2018 24.4 m 130
TWENTY MILE CREEK Idaho Good 2007 12.2 m 130
WEISER RIVER Idaho Fair 1998 39.6 m 130
LAWYER CREEK;SW.KAMIAH B Idaho Fair 1950 25.3 m 130
RATTLESNAKE CREEK Idaho Good 2018 8.5 m 130
FALL CREEK Idaho Good 2014 15.9 m 130
SMITH CREEK Idaho Fair 1966 8.2 m 130
M.FK.BOISE RIVER Idaho Fair 1954 56.4 m 130
SQUAW CREEK Idaho Fair 2006 28.0 m 130
A LINE CANAL Idaho Fair 1979 7.0 m 130
Main Northside Canal Idaho Good 1980 24.5 m 120
SKULL CREEK Idaho Fair 1967 29.3 m 120
RED RIVER Idaho Fair 1958 12.5 m 120
MOYIE RIVER;MEADOW CREEK Idaho Fair 1928 62.2 m 120
MOYIE RIVER(MCDOUGAL BR) Idaho Fair 1991 59.7 m 120
MOYIE RIVER;RUTLEDGE CR. Idaho Fair 2008 68.0 m 120
MOYIE RIVER;SINCLAIR BR. Idaho Fair 1975 59.4 m 120
E. FK. EAGLE CREEK Idaho Fair 1995 23.8 m 120
RAINBOW CANAL Idaho Good 1996 37.2 m 120
QUARTZ CREEK Idaho Good 1965 31.4 m 120
CORBETT SLOUGH CANAL Idaho Fair 1965 7.3 m 120
HIGH LINE CANAL Idaho Fair 1970 12.8 m 120
CONSOLIDATED FARMERS CNL Idaho Good 2018 14.3 m 120
LITTLE WOOD RIVER Idaho Fair 1977 20.1 m 120
TRAIL CREEK Idaho Fair 1952 9.8 m 120
J CANAL Idaho Fair 1984 14.3 m 120
LEMHI RIVER Idaho Good 1977 9.1 m 120
H CANAL;SE.BURLEY Idaho Fair 1972 7.9 m 120
SALMON RIVER (ISLAND BR) Idaho Good 2016 24.4 m 120
TEXAS SLOUGH Idaho Fair 1938 12.2 m 120
S. BRANCH FALL RIVER CNL Idaho Good 1997 8.5 m 120
FALL RIVER Idaho Fair 1963 19.2 m 120
COTTONWOOD CREEK Idaho Fair 1993 15.8 m 120
CROSSCUT CANAL Idaho Fair 1937 9.1 m 120
FARMERS UNION CANAL Idaho Fair 1979 6.7 m 120
TRAPPER CREEK Idaho Good 1965 7.3 m 120
S.FK.RED RIVER Idaho Good 1965 10.4 m 120
RIVERSIDE CANAL Idaho Fair 1974 9.1 m 120
MORA CANAL Idaho Fair 1995 12.2 m 120
DEER FLAT HIGH LINE Idaho Good 2013 7.6 m 120

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.