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
BOISE RIVER Idaho Fair 1965 86.6 m 14,000
SELTICE WAY PED OP Idaho Fair 2007 50.3 m 14,000
TEN MILE CREEK Idaho Good 1990 13.7 m 14,000
GIBSON CANAL Idaho Fair 1959 6.4 m 13,750
GIBSON CANAL Idaho Good 1959 6.4 m 13,750
I15B;UPRR;S.BLACKFOOT IC Idaho Poor 1961 119.5 m 13,750
I15B;UPRR;S.BLACKFOOT IC Idaho Poor 1961 119.5 m 13,750
RIDENBAUGH CANAL Idaho Good 2005 9.1 m 13,500
US 20-26 CHINDEN BLVD Idaho Fair 1991 49.1 m 13,500
IDAHO CANAL Idaho Fair 1999 15.9 m 13,500
BOISE RIVER SLOUGH Idaho Good 1965 7.9 m 13,500
DRY CREEK Idaho Fair 1997 19.2 m 13,500
NEW YORK CANAL Idaho Good 2006 32.3 m 13,500
UPRR;AMITY AVE OP Idaho Good 2007 185.3 m 13,500
RIDENBAUGH CANAL Idaho Fair 1969 13.4 m 13,500
RIDENBAUGH CANAL Idaho Fair 1969 10.4 m 13,500
MIDDLETON CANAL Idaho Fair 1959 12.2 m 13,500
BOISE RIVER;GLENWOOD BR Idaho Fair 1995 104.0 m 13,500
DRY CREEK Idaho Good 1996 24.4 m 13,500
BARTON RD.GS Idaho Fair 1964 33.5 m 13,250
BARTON RD.GS Idaho Fair 1964 33.5 m 13,250
SMA 7461;E. TERRY ST Idaho Fair 1964 46.3 m 13,250
SMA 7461;E. TERRY ST Idaho Fair 1964 46.3 m 13,250
STP 7341; CENTER ST. IC. Idaho Good 2007 42.1 m 13,250
STP 7341; CENTER ST. IC. Idaho Fair 2007 42.1 m 13,250
BNRR;ARIZONA ST. Idaho Fair 1972 116.4 m 13,000
HATWAI CREEK Idaho Fair 1979 7.6 m 13,000
KOOTENAI R;UPRR;BNNRS FY Idaho Fair 1984 420.6 m 13,000
SNAKE RIVER;ONTARIO BR Idaho Fair 1960 290.6 m 13,000
SNAKE RIVER;ONTARIO BR Idaho Fair 1960 290.6 m 13,000
CANAL Idaho Fair 1985 7.0 m 13,000
RIDENBAUGH CANAL Idaho Fair 1990 9.4 m 13,000
SNAKE RIVER;BLACKFOOT BR Idaho Fair 2003 253.3 m 13,000
SNAKE RIVER;BLACKFOOT BR Idaho Fair 2002 253.3 m 13,000
DANSKIN CANAL Idaho Fair 1962 27.4 m 13,000
DANSKIN CANAL Idaho Good 1962 27.4 m 13,000
RIVERSIDE CANAL Idaho Good 1962 9.8 m 13,000
RIVERSIDE CANAL Idaho Good 1962 9.8 m 13,000
RIVERSIDE CANAL Idaho Fair 1962 7.6 m 13,000
RIVERSIDE CANAL Idaho Fair 1962 7.6 m 13,000
WHITLEY ROAD GS Idaho Good 1960 7.9 m 13,000
WHITLEY ROAD GS Idaho Good 1960 7.9 m 13,000
IDAHO CANAL Idaho Fair 1987 25.0 m 13,000
IDAHO CANAL Idaho Fair 1970 24.7 m 13,000
STC 6708; ST LEON RD IC Idaho Good 2005 33.8 m 13,000
STC 6708; ST LEON RD IC Idaho Good 2005 33.8 m 13,000
STC 7325;ELM AVE.GS Idaho Fair 1960 43.0 m 12,750
PORTER CANAL Idaho Fair 1962 7.9 m 12,750
I 15B;BROADWAY ST.IC Idaho Fair 1962 53.3 m 12,750
I 15B;BROADWAY ST.IC Idaho Fair 1962 53.3 m 12,750

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.