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
POTLATCH R;E.HELMER BR Idaho Fair 1977 15.8 m 20
PARADISE CREEK Idaho Fair 1953 9.8 m 20
COTTONWOOD CREEK Idaho Fair 1929 15.8 m 20
N.FK. EAST RIVER Idaho Good 2024 23.8 m 20
L.W.BR.PRIEST R;MOORE CR Idaho Poor 1980 12.2 m 20
FOURTH OF JULY CREEK Idaho Good 1962 12.2 m 20
ROSE CREEK Idaho Good 2006 14.6 m 20
I 90;COMPRESSOR IC Idaho Fair 1963 81.1 m 20
PLACER CREEK Idaho Fair 1960 7.3 m 20
FALL CREEK Idaho Fair 2008 15.2 m 20
BIG LOST RIVER Idaho Fair 1979 14.3 m 20
FARMERS FRIEND CANAL Idaho Good 2020 14.0 m 20
CROSSCUT CANAL Idaho Fair 1937 10.4 m 20
EGIN CANAL Idaho Fair 1980 7.6 m 20
RUDY CANAL Idaho Fair 1973 8.2 m 20
ANDERSON CANAL Idaho Good 1974 7.3 m 20
CAMAS CREEK Idaho Fair 1977 11.3 m 20
CAMAS CREEK Idaho Poor 1972 9.1 m 20
DRY BED CANAL Idaho Fair 1974 9.1 m 20
RATTLESNAKE CREEK (#2) Idaho Good 2019 11.0 m 20
TRAIL CREEK Idaho Good 2003 9.2 m 20
PORTER CANAL Idaho Good 2013 7.3 m 20
OSGOOD CANAL Idaho Fair 1928 8.5 m 20
STAR HOPE CREEK Idaho Fair 1970 7.9 m 20
EIGHTEEN MILE CREEK Idaho Good 2020 10.7 m 20
JEFFERSON CANAL Idaho Fair 1978 9.8 m 20
REID CANAL Idaho Fair 1960 10.7 m 20
REYNOLDS CREEK Idaho Good 2024 7.6 m 20
WHITE CAP CR Idaho Good 1936 36.3 m 20
OROFINO CREEK Idaho Fair 1952 8.0 m 20
ELDORADO CREEK Idaho Fair 1974 9.8 m 20
PALOUSE RIVER Idaho Fair 1959 12.3 m 20
ELK CREEK Idaho Poor 1961 7.3 m 20
ELK CREEK Idaho Poor 1961 7.4 m 20
NF PALOUSE RIVER Idaho Good 1998 17.1 m 20
WASHINGTON CREEK Idaho Fair 1961 15.4 m 20
QUARTZ CREEK Idaho Fair 1967 8.7 m 20
ISABELLA CREEK Idaho Fair 1969 12.3 m 20
QUARTZ CREEK Idaho Fair 1967 12.3 m 20
WASHINGTON CREEK Idaho Fair 1953 12.3 m 20
CAYUSE CREEK Idaho Fair 1967 37.3 m 20
NF CLEARWATER RIVER Idaho Fair 1937 121.0 m 20
NF CLEARWATER RIVER Idaho Fair 1962 123.7 m 20
WALTON CREEK Idaho Fair 1953 7.5 m 20
ELK CREEK Idaho Good 2017 22.3 m 20
FALL CREEK Idaho Fair 1984 11.0 m 20
ROARING RIVER Idaho Good 1957 22.6 m 20
MIDDLE FORK BOISE RIVER Idaho Poor 1957 42.8 m 20
GRIMES CREEK Idaho Poor 1954 16.3 m 20
CABIN CREEK Idaho Good 2013 8.5 m 20

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.