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
RIDENBAUGH CANAL Idaho Fair 1950 9.1 m 2,200
CROOKED CREEK Idaho Fair 1968 6.4 m 2,200
ANDERSON CANAL Idaho Fair 1969 12.8 m 2,200
ENTERPRIZE CANAL Idaho Good 2015 6.1 m 2,200
ANDERSON CANAL Idaho Fair 1969 12.8 m 2,200
EAGLE ROCK CANAL Idaho Fair 1969 15.2 m 2,200
BEAR RIVER;GRACE BRIDGE Idaho Fair 1974 164.9 m 2,200
NORTH EXTENSION CANAL Idaho Fair 1978 10.7 m 2,200
ROCK CREEK Idaho Fair 2019 48.5 m 2,200
BURGESS CANAL Idaho Fair 1986 16.5 m 2,200
RUDY CANAL Idaho Fair 1986 13.1 m 2,200
HARRISON CANAL Idaho Good 1983 9.1 m 2,200
WILLOW CREEK Idaho Good 2019 53.3 m 2,200
BIG WOOD RIVER Idaho Good 2017 83.5 m 2,200
I 15;MONTE VISTA DR GS Idaho Good 1997 90.2 m 2,200
RACE CREEK Idaho Good 2015 31.1 m 2,200
SALMON RIVER;GOFF BRIDGE Idaho Fair 1999 150.9 m 2,200
JOHN DAY CREEK Idaho Fair 1960 9.8 m 2,200
SLATE CREEK Idaho Fair 1969 39.6 m 2,200
SALMON R.;MCKINZIE BR. Idaho Fair 1969 214.3 m 2,200
SALMON R.;AWARD BR. Idaho Fair 1969 238.4 m 2,200
SKOOKUMCHUCK CREEK Idaho Fair 1971 21.3 m 2,200
I 15 SB-NB;ROSE ROAD GS Idaho Good 2000 94.8 m 2,200
RIVERSIDE CANAL Idaho Fair 1971 7.6 m 2,200
N.FK. CLEARWATER RIVER Idaho Fair 1999 157.3 m 2,100
TREGO DITCH Idaho Fair 1950 12.2 m 2,100
NORTH FORK WILLOW CR Idaho Fair 1958 12.5 m 2,100
FIVE MILE CREEK Idaho Good 1991 8.5 m 2,100
I 84;SAND HOLLOW IC Idaho Good 2018 68.3 m 2,100
MILNER GOODING CANAL Idaho Fair 1987 23.2 m 2,100
SAND CREEK Idaho Poor 1957 21.6 m 2,100
BOISE RIVER & CANAL Idaho Poor 1922 118.3 m 2,100
MALAD R.;N.HAGERMAN BR. Idaho Fair 1956 113.7 m 2,100
BILLINGSLEY CREEK Idaho Fair 1965 26.5 m 2,100
SNAKE RIVER;GRIDLEY BR. Idaho Fair 1961 475.5 m 2,100
NOTUS CANAL Idaho Fair 1993 9.8 m 2,100
SQUAW CREEK Idaho Fair 1956 36.6 m 2,100
LOWER W.BRANCH PRIEST R. Idaho Fair 1936 12.2 m 2,100
RIVERSIDE CANAL Idaho Fair 1930 8.2 m 2,100
C CANAL Idaho Fair 1971 13.1 m 2,100
SALMON RIVER;CARMEN BR. Idaho Fair 1970 86.3 m 2,100
CARMEN CREEK Idaho Fair 1931 7.3 m 2,100
TOWER CREEK Idaho Fair 1931 7.3 m 2,100
NEW YORK CANAL Idaho Fair 1984 15.5 m 2,100
BUTTE ARM CANAL Idaho Fair 1955 10.7 m 2,025
I 84 EB-WB;MAYFIELD IC Idaho Fair 1960 64.6 m 2,000
RIDENBAUGH CANAL Idaho Good 2005 13.4 m 2,000
S. GOODING MAIN CANAL Idaho Fair 2008 7.9 m 2,000
OVID CREEK Idaho Good 2019 11.0 m 2,000
OVID CREEK Idaho Good 2019 20.1 m 2,000

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.