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
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
E. FK. CROOKED RIVER Idaho Good 2004 11.3 m 50
HAWLEY CREEK Idaho Good 2014 12.5 m 50
LEMHI RIVER Idaho Fair 1965 7.9 m 50
STEAMBOAT CREEK Idaho Poor 1956 15.4 m 50
ALLISON CREEK Idaho Fair 1964 7.3 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
TEXAS SLOUGH;NW.THORNTON Idaho Fair 1977 12.2 m 50
SHEEP CREEK Idaho Good 1985 6.1 m 50
BEAVER CREEK Idaho Fair 1953 8.8 m 50
COPPER CREEK Idaho Good 2002 8.5 m 50
LITTLE BEAR CREEK Idaho Good 2020 17.7 m 50
N.F. ST JOE RIVER Idaho Fair 1935 43.9 m 50
SQ___ CREEK Idaho Fair 1938 10.1 m 50
EAST FORK SALMON RIVER Idaho Fair 1960 12.2 m 50
SKI TRAIL Idaho Fair 1995 13.7 m 50
WARREN CR Idaho Fair 1969 7.9 m 50
NORTH FORK SALMON Idaho Fair 1952 16.8 m 50
NORTH FORK WOOD RIVER Idaho Poor 1950 10.4 m 50
RED RIVER Idaho Fair 1960 15.3 m 50
ROCK CREEK Idaho Good 2024 12.2 m 50
MEADOW CREEK Idaho Fair 1991 11.0 m 50
FRENCH CREEK Idaho Poor 1957 9.9 m 50
FRENCHMAN CREEK Idaho Good 2024 8.5 m 50
MOOSE CREEK Idaho Fair 1979 9.1 m 50
RUNNING CR Idaho Poor 1956 9.9 m 50
MALLARD CREEK Idaho Fair 1992 12.2 m 50
MALLARD CREEK Idaho Fair 1992 9.9 m 50
TEXAS SLOUGH CANAL Idaho Good 1972 8.2 m 50
CDA RIVER Idaho Fair 1974 67.4 m 50
NORTH FORK SALMON Idaho Fair 1956 12.2 m 50
LITTLE MALLARD CREEK Idaho Poor 1984 7.3 m 50
RED RIVER Idaho Fair 1965 12.2 m 50
WILDHORSE CREEK Idaho Good 1955 11.0 m 50
EAST FORK WOOD RIVER Idaho Good 1974 8.5 m 50
WEST FORK NEWSOME CREEK Idaho Good 2019 13.0 m 50
BIG CREEK Idaho Good 2019 19.0 m 50
SELWAY RIVER Idaho Poor 1934 68.3 m 50
FOURTH OF JULY CREEK Idaho Fair 2004 8.5 m 50
SEVEN SUCKERS DITCH Idaho Fair 1950 7.0 m 50
NORTH FORK SALMON Idaho Fair 1959 10.4 m 50
EAST FORK SALMON RIVER Idaho Fair 1989 19.5 m 50
MILL SLOUGH Idaho Good 2021 9.1 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.