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
NEW YORK CANAL Idaho Good 2013 37.5 m 1,200
W.FK.POTLATCH RIVER Idaho Fair 1958 15.8 m 1,100
GOLDEN GATE LOW LINE CNL Idaho Fair 1956 23.8 m 1,100
NEW YORK CANAL Idaho Fair 1988 19.5 m 1,100
I 15;S 35TH W GS Idaho Fair 1962 94.8 m 1,100
COTTONWOOD CREEK Idaho Fair 1971 8.2 m 1,100
BEAR RIVER;CLEVELAND BR. Idaho Fair 1953 85.3 m 1,100
TROUT CREEK Idaho Fair 1957 7.3 m 1,100
HIGHLINE CANAL Idaho Good 1977 18.6 m 1,100
ABERDEEN SPRINGFIELD CNL Idaho Good 1977 21.9 m 1,100
I 84;ISAACS CANYON IC Idaho Good 1997 82.8 m 1,100
REDFISH LAKE CREEK Idaho Fair 1960 39.6 m 1,100
SALMON RIVER Idaho Fair 1954 97.5 m 1,100
GINI CANAL Idaho Good 1988 6.4 m 1,100
SALMON RIVER (WATTS BR.) Idaho Good 2009 109.1 m 1,100
PAHSIMEROI RIVER Idaho Fair 1938 34.4 m 1,100
N.FK.SALMON RIVER Idaho Fair 1955 17.1 m 1,100
WILDLIFE UNDERPASS Idaho Fair 2004 7.0 m 1,100
WILDLIFE UNDERPASS Idaho Fair 2004 7.0 m 1,100
WILDLIFE UNDERPASS Idaho Fair 2004 8.5 m 1,100
ROUND PRAIRIE CREEK Idaho Good 2017 16.8 m 1,100
UPRR;S. EASTPORT OP Idaho Good 2007 39.3 m 1,100
MOYIE R;LOWER EASTPORT Idaho Fair 2007 86.0 m 1,100
I 15;BIRD REFUGE ROAD GS Idaho Fair 1963 64.6 m 1,100
I 15 NB-SB;HAMER IC Idaho Fair 1960 64.6 m 1,100
ABERDEEN SPRINGFIELD CNL Idaho Good 2014 15.2 m 1,100
DEEP CREEK Idaho Fair 1965 10.4 m 1,100
LOW LINE CANAL Idaho Fair 1984 13.4 m 1,100
D-9A DRAIN Idaho Fair 1979 8.2 m 1,100
SIDEHILL CANAL Idaho Fair 1952 8.2 m 1,100
INDIAN CREEK Idaho Fair 1973 8.5 m 1,100
BURGESS CANAL Idaho Fair 1960 17.1 m 1,100
PORTNEUF RIVER Idaho Fair 1940 13.4 m 1,100
DANSKIN CANAL Idaho Good 1968 7.9 m 1,100
GOVERNMENT CREEK Idaho Good 2010 10.4 m 1,100
HIGH LINE CANAL Idaho Fair 1971 29.3 m 1,100
FARMERS FRIEND CANAL Idaho Fair 2016 8.2 m 1,100
WILFORD CANAL Idaho Fair 1977 7.0 m 1,100
EGIN CANAL Idaho Fair 1986 19.2 m 1,100
RIDENBAUGH CANAL Idaho Good 1988 6.4 m 1,100
DRY BED CANAL Idaho Fair 1957 32.3 m 1,100
INDIAN CREEK Idaho Fair 1989 53.3 m 1,100
S.FK.TETON RIVER Idaho Poor 1977 45.7 m 1,100
N.FK.TETON RIVER Idaho Good 1977 26.5 m 1,100
I 84;RIDGEWAY ROAD IC Idaho Fair 1966 67.1 m 1,000
I 84;E.GLENNS FERRY IC Idaho Fair 1976 86.0 m 1,000
I90;MULLAN TRAIL RD IC Idaho Fair 1991 69.8 m 1,000
S.FK.COEUR DALENE RIVER Idaho Fair 1963 14.0 m 1,000
S.FK.COEUR DALENE RIVER Idaho Good 2014 14.9 m 1,000
BEAR RIVER;E.WESTON BR. Idaho Poor 1956 53.3 m 1,000

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.