US Bridges

Sambo Road over North Canal

Fair

Bingham County, Idaho · 2.8 S. 1.2 W. Blackfoot · Structure no. 000000000022415

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
160
2023 count
Owner
County
County Highway Agency

About this bridge

Sambo Road over North Canal is a concrete frame carrying Sambo Road over North Canal in Bingham County, Idaho. It was built in 1984, so it is 41 years old, younger 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 6 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 160 vehicles a day, roughly 14% of them trucks, projected to reach 240 by 2042. The structure is 31 ft (9.4 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSambo Road
CrossesNorth Canal
Location2.8 S. 1.2 W. Blackfoot
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates43.14917, -112.37814
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2023)
Projected traffic240 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sambo Road over North Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is Sambo 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 Sambo Road over North Canal carry?

About 160 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Sambo Road over North Canal?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 34 ft wide.

Who owns Sambo Road over North Canal?

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