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
FARMERS FRIEND CANAL Idaho Fair 1979 10.4 m 9,100
N.BR.FALL RIVER CANAL Idaho Good 1979 6.7 m 9,100
CALDWELL HIGHLINE CANAL Idaho Fair 1950 7.3 m 8,900
I 84 EB-WB;W.JEROME IC Idaho Fair 1966 93.9 m 8,900
I 84; MIDDLETON RD. GS Idaho Good 2021 68.6 m 8,900
POWER CANAL Idaho Good 1994 30.5 m 8,800
PAYETTE RIVER Idaho Good 2021 113.4 m 8,800
CDA LAKE;BLUE CREEK BAY Idaho Fair 1951 399.3 m 8,750
CDA LAKE;BLUE CREEK BAY Idaho Fair 1972 402.0 m 8,750
B-4 CANAL Idaho Fair 1963 11.0 m 8,700
CUB RIVER Idaho Fair 2006 22.6 m 8,600
I 84; ROBINSON RD GS Idaho Fair 2009 59.7 m 8,600
X CANAL Idaho Good 1958 12.2 m 8,500
PINEHURST ROAD GS Idaho Fair 2015 88.7 m 8,500
PINEHURST ROAD GS Idaho Good 2014 92.7 m 8,500
FARMERS COOP CANAL Idaho Good 1992 6.4 m 8,400
APRROACH RD;CATHOLIC CR. Idaho Good 1968 40.2 m 8,400
NORTH FORK WILLOW CREEK Idaho Fair 1963 7.6 m 8,400
RIDENBAUGH CANAL Idaho Good 1984 10.1 m 8,400
FUTURE PED UNDERPASS Idaho Good 2018 6.1 m 8,400
SAND CREEK Idaho Fair 1966 17.1 m 8,300
S. FK. MICA CREEK Idaho Fair 2003 79.9 m 8,300
MICA CREEK Idaho Fair 1988 19.5 m 8,300
LANES GULCH Idaho Fair 1981 8.8 m 8,300
CANNELL LN;MACHINE PASS Idaho Fair 1980 7.3 m 8,300
PHYLLIS CANAL Idaho Fair 1973 6.7 m 8,300
US 20;ST. ANTHONY IC Idaho Good 1984 66.4 m 8,300
LITTLE WOOD RIVER Idaho Fair 1924 7.9 m 8,100
SAND CREEK Idaho Good 2016 15.2 m 8,000
I 84 EB-WB;S.WENDELL IC Idaho Fair 1971 85.6 m 8,000
CALLS ROAD GS Idaho Good 1979 7.3 m 8,000
PORTNEUF RIVER Idaho Fair 1963 46.0 m 8,000
PORTNEUF RIVER Idaho Fair 1963 46.0 m 8,000
STC 1758;UPRR;INKOM OP Idaho Fair 1963 118.6 m 8,000
STC 1758;UPRR;INKOM OP Idaho Fair 1963 121.6 m 8,000
I 15B;S.INKOM IC Idaho Fair 1962 34.7 m 8,000
I 15B;S.INKOM IC Idaho Fair 1962 34.7 m 8,000
INDIAN CREEK Idaho Good 1978 9.8 m 8,000
FALL RIVER Idaho Fair 1963 34.7 m 8,000
UPRR Idaho Good 2020 76.5 m 7,900
CLEARWATER RIVER Idaho Fair 1998 130.5 m 7,800
INDIAN CREEK Idaho Fair 1940 36.3 m 7,800
ROBERTSON SLOUGH Idaho Good 2017 14.0 m 7,800
PAYETTE RIVER Idaho Fair 1971 114.6 m 7,800
UPRR;HORSESHOE BEND OP Idaho Fair 1971 60.4 m 7,800
SETTLERS CANAL Idaho Good 2007 20.4 m 7,800
N. FK. PAYETTE RIVER Idaho Fair 2013 119.8 m 7,800
MAIN STREET GS Idaho Poor 1962 37.8 m 7,750
I 15B;W.INKOM IC Idaho Poor 1962 34.7 m 7,750
I 15B;W.INKOM IC Idaho Fair 1962 34.7 m 7,750

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.