US Bridges

Sandy Road over North Canal

Fair

Bingham County, Idaho · 2.5 S. 1.2 W. Blackfoot · Structure no. 000000000022670

Built
1955
70 years old, rebuilt 1983
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Sandy Road over North Canal is a concrete continuous slab carrying Sandy Road over North Canal in Bingham County, Idaho. It was built in 1955 and reconstructed in 1983, so it is 70 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2039. The structure is 38 ft (11.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSandy Road
CrossesNorth Canal
Location2.5 S. 1.2 W. Blackfoot
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.15272, -112.37075
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byBureau of Indian Affairs
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$347,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sandy Road over North Canal built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1983.

What condition is Sandy Road over North Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Sandy Road over North Canal carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sandy Road over North Canal?

The structure is 38 ft (11.6 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Sandy Road over North Canal?

It is owned by the County Highway Agency and maintained by the Bureau of Indian Affairs.