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
JUNIPER ROAD IC Idaho Fair 1968 36.6 m 5,500
JUNIPER ROAD GS 5 Idaho Fair 1968 11.3 m 5,500
JUNIPER ROAD IC Idaho Fair 1968 36.6 m 5,500
COUNTY ROAD GS 6 Idaho Fair 1968 9.1 m 5,500
JUNIPER ROAD GS 5 Idaho Fair 1968 11.3 m 5,500
CO.RD.;GS NO.3 Idaho Fair 1968 7.3 m 5,500
DRAIN Idaho Fair 1968 9.1 m 5,500
CO.RD.;GS NO.4 Idaho Fair 1968 7.3 m 5,500
CO.RD.;GS NO.4 Idaho Fair 1968 7.3 m 5,500
CO.RD.;GS NO.3 Idaho Fair 1968 7.3 m 5,500
COUNTY ROAD GS 6 Idaho Fair 1968 9.1 m 5,500
BOISE RIVER Idaho Fair 1976 116.4 m 5,500
BOISE RIVER Idaho Fair 1932 115.2 m 5,500
WI&M RAILROAD Idaho Good 2022 29.5 m 5,500
WALLING CREEK Idaho Good 2018 34.6 m 5,500
LINDSAY CREEK Idaho Fair 1971 6.7 m 5,500
DRAIN Idaho Fair 1968 9.1 m 5,500
DEEP CREEK Idaho Good 2022 20.5 m 5,500
PHYLLIS CANAL Idaho Good 2000 7.3 m 5,400
OLD INDIAN CREEK CHANNEL Idaho Poor 1966 11.9 m 5,400
OLD INDIAN CREEK CHANNEL Idaho Fair 1971 18.6 m 5,400
RIDENBAUGH CANAL Idaho Good 2004 12.2 m 5,400
PHYLLIS CANAL Idaho Fair 1971 12.5 m 5,400
TETON RIVER OVERFLOW Idaho Good 1976 15.5 m 5,400
S.FK.PALOUSE RIVER Idaho Good 2002 16.8 m 5,300
L CANAL Idaho Fair 2004 7.9 m 5,300
PHYLLIS CNL;11TH AVE EXT Idaho Fair 1994 7.9 m 5,300
I 15;N. MCCAMMON IC Idaho Good 2012 82.9 m 5,300
SNAKE RIVER;NYSSA BRIDGE Idaho Fair 1957 212.4 m 5,300
HENRYS FK. SNAKE RIVER Idaho Good 2004 139.6 m 5,300
PEND OREILLE RIVER Idaho Fair 1956 331.9 m 5,300
S.FK.SNAKE R;SWAN VAL.BR Idaho Fair 1981 238.7 m 5,300
RAINY CREEK Idaho Fair 1992 19.2 m 5,300
PORTNEUF RIVER Idaho Good 2000 25.9 m 5,300
GOLCONDA ACCESS ROAD IC Idaho Fair 1963 30.5 m 5,250
GOLCONDA ACCESS ROAD IC Idaho Fair 1963 30.5 m 5,250
AMI TRAIL Idaho Good 2016 6.4 m 5,200
MASON CREEK FEEDER CANAL Idaho Fair 1989 14.9 m 5,200
RIDENBAUGH CANAL Idaho Fair 1993 7.9 m 5,200
NEW YORK CANAL Idaho Fair 1973 18.6 m 5,200
INDIAN CREEK Idaho Fair 1967 20.4 m 5,200
S 2ND;PORTNEUF R;UPRR Idaho Good 2016 128.9 m 5,200
GOLD FORK RIVER Idaho Fair 2016 46.6 m 5,200
WEST FORK SAND CREEK Idaho Good 1973 13.4 m 5,100
IDAHO CANAL Idaho Fair 1950 10.7 m 5,100
FARR LATERAL CANAL Idaho Fair 1992 14.6 m 5,100
BNSF RR; DIAGONAL RD Idaho Good 2021 119.8 m 5,100
SNAKE RIVER;PAYETTE BR. Idaho Poor 1953 210.0 m 5,100
BIG WOOD RIVER Idaho Fair 2013 50.9 m 5,000
RR ROADBED/NO TRACKS Idaho Fair 1975 56.4 m 5,000

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.