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
TWIN GROVES CANAL Idaho Fair 1955 9.8 m 210
I 86 EB-WB;RAINBOW RD GS Idaho Fair 1972 79.9 m 210
REYNOLDS CREEK Idaho Good 2012 14.3 m 210
MIDDLE POTLATCH CREEK Idaho Good 1994 9.1 m 210
H CANAL Idaho Fair 2004 7.6 m 210
WEST SIDE CANAL Idaho Fair 1989 7.6 m 210
U CANAL Idaho Fair 1969 12.2 m 210
R CANAL Idaho Fair 1960 11.3 m 210
BIG SPRINGS;ISLAND PK.BR Idaho Fair 1958 33.5 m 210
CAMAS CREEK Idaho Fair 1969 11.3 m 210
MIDDLE LINE CANAL Idaho Good 2004 11.0 m 210
A CANAL Idaho Fair 2004 14.6 m 210
W.BR.GOOSE CREEK Idaho Fair 1955 10.4 m 210
FALL RIVER CANAL Idaho Fair 2013 7.3 m 210
I 90 EB-WB;WILLOW CR. GS Idaho Fair 1973 63.1 m 200
FARMERS COOP CANAL Idaho Fair 1979 9.1 m 200
FIVE MILE CREEK Idaho Good 1999 7.3 m 200
DEER FLAT CALDWELL CANAL Idaho Good 2006 7.3 m 200
MARYSVILLE CANAL Idaho Good 2013 9.1 m 200
RAFT RIVER Idaho Fair 2001 13.4 m 200
RIVERSIDE CANAL Idaho Fair 1983 9.1 m 200
BIG CREEK;NW.OSBURN BR Idaho Good 2024 19.8 m 200
S.FK.CDA R;SMELTERVILLE Idaho Fair 1963 27.4 m 200
HIGH LINE CANAL Idaho Fair 1963 11.3 m 200
IDAHO CANAL Idaho Fair 1980 7.9 m 200
LOW LINE CANAL Idaho Fair 1958 9.4 m 200
LOW LINE CANAL Idaho Fair 1962 12.2 m 200
CORBETT SLOUGH CANAL Idaho Good 1965 7.3 m 200
LOW LINE CANAL Idaho Fair 1976 8.2 m 200
LOW LINE CANAL Idaho Fair 1958 11.9 m 200
BLACKFOOT CANAL Idaho Fair 1965 7.3 m 200
LITTLE SAND CREEK Idaho Fair 1981 10.4 m 200
HIGH LINE CANAL Idaho Fair 1962 15.2 m 200
EAST MADDEN LATERAL Idaho Good 2019 6.4 m 200
NORTH CANAL Idaho Fair 1955 11.6 m 200
BLACKFOOT RIVER Idaho Fair 1978 25.3 m 200
LOW LINE CANAL Idaho Fair 1958 11.9 m 200
HIGH LINE CANAL Idaho Fair 1964 11.9 m 200
SAND CREEK Idaho Fair 1968 12.8 m 200
PEOPLES CANAL Idaho Fair 1968 12.8 m 200
W.BR.SNAKE R.VALLEY CNL. Idaho Fair 1983 6.2 m 200
ABERDEEN SPRINGFIELD CNL Idaho Fair 1966 32.3 m 200
ABERDEEN SPRINGFIELD CNL Idaho Fair 1967 16.8 m 200
ABERDEEN SPRINGFIELD CNL Idaho Fair 1968 23.5 m 200
LOW LINE CANAL Idaho Fair 1958 17.1 m 200
LOW LINE CANAL Idaho Fair 1965 7.3 m 200
HIGH LINE CANAL Idaho Fair 1971 12.8 m 200
DESERT DRAIN Idaho Fair 1977 6.7 m 200
HIGH LINE CANAL Idaho Fair 1975 10.7 m 200
HIGH LINE CANAL Idaho Fair 1962 11.9 m 200

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.