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
LAPWAI CREEK Idaho Fair 2002 6.7 m 550
MOYIE R; UPPER EASTPORT Idaho Fair 2005 76.2 m 550
SAND CREEK Idaho Fair 1982 12.2 m 550
DEAD HORSE CREEK Idaho Good 2013 12.2 m 550
FISHER CREEK Idaho Fair 1958 24.4 m 550
N.FK.PAYETTE RIVER Idaho Fair 1969 49.1 m 550
TWENTY MILE CREEK Idaho Good 1969 31.1 m 550
SALMON R;WHITEBIRD TRUSS Idaho Poor 1935 178.3 m 550
M FK PAYETTE R;CROUCH BR Idaho Good 2016 44.8 m 550
CUB RIVER;W.FRANKLIN BR. Idaho Fair 1959 9.1 m 550
I 84;FIRST ST SOUTH GS Idaho Fair 1960 91.4 m 540
LONG HOLLOW CREEK Idaho Good 1999 13.1 m 540
L CANAL Idaho Good 2003 7.3 m 540
COTTONWOOD CREEK Idaho Fair 1976 12.2 m 540
SIRR & UPRR;S.ATHOL OP Idaho Poor 1929 55.2 m 540
MOODY CREEK Idaho Fair 1977 6.4 m 540
PINE CREEK Idaho Fair 1958 9.8 m 530
PINE CREEK Idaho Fair 1958 9.8 m 530
BLACKFOOT CANAL Idaho Fair 1964 11.3 m 530
RESERVATION CANAL Idaho Fair 1966 12.8 m 530
SAND CREEK Idaho Fair 1964 12.8 m 530
HARRISON CANAL Idaho Fair 1949 9.8 m 520
PACIFICORP PENSTOCK Idaho Good 2016 23.5 m 520
ANDERSON CANAL Idaho Fair 1963 6.4 m 520
W.BR.SNAKE R.VALLEY CNL Idaho Fair 1981 11.3 m 520
LOWER PAYETTE CANAL Idaho Fair 1960 7.6 m 510
ROBISON CREEK Idaho Good 1984 26.5 m 510
WARM RIVER Idaho Fair 1984 29.9 m 510
SNAKE RIVER;FIRTH BRIDGE Idaho Fair 2003 127.7 m 510
SALEM UNION CANAL Idaho Good 2023 6.5 m 510
BEAR CREEK Idaho Good 2019 16.2 m 510
BURGESS CANAL Idaho Poor 1969 13.7 m 510
BURGESS CNL;SE.LABELLE Idaho Fair 1969 11.3 m 510
CONSOLIDATED FARMERS CNL Idaho Fair 1971 10.4 m 510
CHANNEL OF SPOKANE RIVER Idaho Good 2000 8.5 m 500
PORTER CANAL Idaho Good 2019 9.4 m 500
LITTLE CANYON CREEK Idaho Fair 1987 8.2 m 500
EGIN CANAL Idaho Fair 1957 8.5 m 500
FORT HALL MAIN CANAL Idaho Good 2011 12.5 m 500
HARVEST SPG BLVD Idaho Good 2022 10.4 m 500
RIDENBAUGH CANAL Idaho Good 2005 8.8 m 500
W.BR.SNAKE R.VALLEY CNL Idaho Fair 1981 12.8 m 500
GOLDEN GATE CANAL Idaho Fair 1967 16.2 m 500
BIG LOST RIVER Idaho Fair 1926 11.0 m 500
SIDEHILL CANAL Idaho Good 2019 7.6 m 500
SETTLERS CANAL Idaho Fair 1968 15.5 m 500
FARMERS UNION CANAL Idaho Fair 1979 6.7 m 500
RESERVATION CANAL Idaho Fair 1977 12.8 m 500
TRAIL CREEK Idaho Fair 1995 15.2 m 500
TRAIL CREEK Idaho Fair 1995 17.1 m 500

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.