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
BIG LOST RIVER Idaho Fair 1978 17.4 m 50
UPRR;N.SPENCER RR OP Idaho Poor 1936 90.2 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
CDA RIVER Idaho Fair 1954 14.9 m 50
BIG LOST RIVER Idaho Fair 1977 21.3 m 50
TEPEE CREEK Idaho Fair 1974 12.3 m 50
BIG LOST RIVER Idaho Good 2010 26.5 m 50
SLATE CREEK Idaho Poor 1953 8.7 m 50
N.F. HAYDEN CR Idaho Fair 1953 7.5 m 50
HAYDEN CREEK Idaho Fair 1953 8.2 m 50
S. LAVERNE CR Idaho Fair 1973 8.3 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
LEIBERG CREEK Idaho Fair 1959 8.7 m 50
BIG ELK CREEK Idaho Fair 1955 8.7 m 50
N.F. CDA RIVER Idaho Poor 1950 45.6 m 50
TRAIL CREEK Idaho Fair 1984 18.3 m 50
COPPER CREEK Idaho Fair 1975 9.9 m 50
LONG ISLAND CANAL Idaho Fair 1969 7.3 m 50
RED RIVER Idaho Fair 1960 15.3 m 50
MEADOW CREEK Idaho Fair 1991 11.0 m 50
FRENCH CREEK Idaho Poor 1957 9.9 m 50
COPPER CREEK Idaho Fair 1975 12.7 m 50
RAFT RIVER Idaho Good 2014 14.6 m 50
OWSLEY CANAL;SE TERRETON Idaho Good 1976 9.1 m 50
MALLARD CREEK Idaho Fair 1992 12.2 m 50
MALLARD CREEK Idaho Fair 1992 9.9 m 50
TEPEE CREEK Idaho Fair 1976 12.3 m 50
WILDHORSE CREEK Idaho Good 1955 11.0 m 50
BURNT CABIN CR Idaho Fair 1948 8.1 m 50
RED RIVER Idaho Fair 1965 12.2 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
HOMESTEAD CREEK Idaho Good 2018 19.1 m 50
HAWLEY CREEK Idaho Good 2014 12.5 m 50
LEMHI RIVER Idaho Fair 1965 7.9 m 50
N.F. CDA RIVER Idaho Fair 1950 8.3 m 50
RUNNING CR Idaho Poor 1956 9.9 m 50
WARM SLOUGH Idaho Fair 1968 21.9 m 50
INDEPENDENT CANAL Idaho Fair 2002 6.4 m 50
N.FK.TETON RIVER Idaho Good 1977 18.3 m 50
CANYON CREEK Idaho Fair 1975 8.2 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.