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
ANDERSON CANAL Idaho Good 2004 7.3 m 50
WEST FORK EAGLE CREEK Idaho Fair 1957 10.1 m 50
E.BRANCH BIG LOST RIVER Idaho Fair 1992 11.9 m 50
GRASS CREEK Idaho Poor 1972 12.3 m 50
BIG LOST RIVER Idaho Fair 1991 20.7 m 50
SKI TRAIL Idaho Fair 1995 13.7 m 50
BIG LOST RIVER Idaho Fair 1978 17.4 m 50
UPRR;N.SPENCER RR OP Idaho Poor 1936 90.2 m 50
WEST FORK EAGLE CREEK Idaho Good 1957 8.7 m 50
CAMAS CREEK Idaho Poor 1953 8.2 m 50
CAMAS CREEK Idaho Poor 1981 9.8 m 50
PLEASANT VALLEY CREEK Idaho Fair 1934 140.2 m 50
LOST CREEK Idaho Fair 1953 12.3 m 50
BIG LOST RIVER Idaho Fair 1977 21.3 m 50
CDA RIVER Idaho Fair 1974 67.4 m 50
BIG LOST RIVER Idaho Good 2010 26.5 m 50
BOULDER CR CALLAHAN Idaho Poor 1961 9.9 m 50
STEAMBOAT CREEK Idaho Poor 1956 15.4 m 50
W.F. STEAMBOAT CREEK Idaho Poor 1956 8.8 m 50
CDA RIVER Idaho Fair 1974 42.7 m 50
ST JOE RIVER Idaho Fair 1935 36.9 m 50
INDEPENDENT CANAL Idaho Fair 1973 13.1 m 50
FALL RIVER CANAL Idaho Fair 1976 9.8 m 50
FALL RIVER Idaho Fair 1977 36.6 m 50
MYRTLE CREEK Idaho Good 1981 11.0 m 50
GRASS CREEK Idaho Poor 1973 8.7 m 50
CDA RIVER Idaho Fair 1952 82.9 m 50
TOOT CREEK Idaho Fair 1987 8.8 m 50
GOOSE CREEK Idaho Fair 1990 12.3 m 50
LONG ISLAND CANAL Idaho Fair 1969 7.3 m 50
HELLROARING CREEK Idaho Good 2017 19.5 m 50
BOULDER CREEK Idaho Fair 1957 14.2 m 50
BEAVER CREEK Idaho Good 1979 9.9 m 50
KALISPELL CREEK Idaho Poor 1955 8.9 m 50
OWSLEY CANAL;SE TERRETON Idaho Good 1976 9.1 m 50
GOLD CREEK Idaho Good 1965 37.5 m 50
UPPER WEST BRANCH Idaho Fair 1989 8.8 m 50
LOWER FLAT CR Idaho Fair 1981 11.3 m 50
GRANITE CREEK Idaho Good 1952 33.5 m 50
MINERS CREEK Idaho Fair 1986 9.6 m 50
CEDAR CREEK Idaho Fair 1964 11.1 m 50
SALMON RIVER;IRON CK BR Idaho Fair 1965 70.1 m 50
IRON CREEK Idaho Good 2010 11.0 m 50
LEMHI RIVER Idaho Fair 1968 13.4 m 50
LEMHI RIVER(HIGH BR) Idaho Fair 1992 22.9 m 50
LEMHI RIVER(BAGLEY BR) Idaho Poor 1991 22.6 m 50
WIMPEY CREEK Idaho Good 2013 13.4 m 50
PRATT CREEK (#1) Idaho Good 2018 11.6 m 50
N.F. ST JOE RIVER Idaho Poor 1935 36.3 m 50
HAWLEY CREEK Idaho Good 2014 12.5 m 50

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.