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
C CANAL Idaho Good 1966 9.1 m 11,500
SH 25;KASOTA RD.IC Idaho Fair 1966 34.7 m 11,500
STC2744;MURTAUGH RD GS Idaho Good 1966 35.7 m 11,500
SH 25;KASOTA RD.IC Idaho Fair 1966 34.7 m 11,500
ROCK CREEK Idaho Poor 1959 11.9 m 11,500
CO.RD.;HORSE BUTTE GS Idaho Fair 1963 8.2 m 11,500
PARADISE CREEK Idaho Fair 2000 8.2 m 11,500
MAIN NORTHSIDE CANAL Idaho Fair 1966 61.6 m 11,500
MILNER GOODING CANAL Idaho Fair 1966 33.4 m 11,500
MAIN NORTHSIDE CANAL Idaho Fair 1966 61.6 m 11,500
CRESTVIEW RD.GS Idaho Fair 1966 34.7 m 11,500
MILNER GOODING CANAL Idaho Fair 1966 24.8 m 11,500
WALLING DITCH Idaho Good 2009 31.7 m 11,500
BNRR;WESTMOND BRIDGE Idaho Good 2004 39.6 m 11,500
COCOLALLA CREEK Idaho Fair 1950 6.7 m 11,500
COCOLALLA CREEK Idaho Good 2017 8.5 m 11,500
CRESTVIEW RD.GS Idaho Fair 1966 34.7 m 11,500
I 84;KARCHER ROAD GS Idaho Good 2019 84.3 m 11,500
MIDDLETON CANAL Idaho Fair 1959 9.1 m 11,500
SAND CREEK Idaho Good 2017 32.3 m 11,500
BOISE RIVER Idaho Fair 2009 141.4 m 11,500
HENRYS FK. SNAKE RIVER Idaho Fair 1965 31.7 m 11,500
EGIN CANAL Idaho Good 1975 12.8 m 11,500
STC2744;MURTAUGH RD GS Idaho Good 1966 35.7 m 11,500
TETON CREEK Idaho Fair 1979 16.5 m 11,500
N CANAL Idaho Good 2021 15.2 m 11,500
FARMERS COOP CANAL Idaho Good 1992 12.5 m 11,500
C CANAL Idaho Good 1966 10.7 m 11,500
S.FK.COEUR DALENE RIVER Idaho Fair 1987 46.6 m 11,000
NOTUS CANAL Idaho Good 2023 29.9 m 11,000
BOISE RIVER Idaho Good 2004 132.0 m 11,000
CROSSROAD BD;W.WALLACE I Idaho Fair 1987 54.9 m 11,000
JUNIPER RD;GS NO.1 Idaho Fair 1968 7.3 m 11,000
JUNIPER RD;GS NO.2 Idaho Fair 1968 7.3 m 11,000
S COULEE CANAL Idaho Fair 1996 7.0 m 11,000
SHODDE ROAD GS Idaho Fair 1966 34.7 m 11,000
SHODDE ROAD GS Idaho Fair 1966 34.7 m 11,000
UPRR;GOULD ST OP Idaho Fair 1982 80.8 m 11,000
FIRST AVE;GOULD ST OP Idaho Fair 1982 21.3 m 11,000
US 12;US 12-95 IC Idaho Fair 1964 66.4 m 11,000
PHYLLIS CANAL Idaho Fair 1967 13.1 m 11,000
STC 5766;SILVERTON IC Idaho Fair 1978 44.8 m 11,000
S.FK.CDA R;FR.RD. Idaho Fair 1978 173.4 m 11,000
HARRISON AVE;GOULD ST OP Idaho Fair 1982 21.3 m 11,000
I 84 EBL WBL Idaho Good 2022 82.9 m 11,000
SNAKE RIVER;HOMEDALE BR. Idaho Fair 1969 209.4 m 11,000
I 90 EB-WB;SCHNEIDMILLER Idaho Good 2015 101.8 m 11,000
FARMERS COOP CANAL Idaho Fair 1964 43.9 m 11,000
I 15;SUNNYSIDE RD IC Idaho Good 2007 99.7 m 11,000
BOISE RIVER(STAR BRIDGE) Idaho Fair 1982 115.2 m 11,000

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.