US Bridges

Co. Rd. 8600 West over West Canal

Fair

Box Elder County, Utah · 2 Mi.W. Tremonton Airport · Structure no. 003046D

Built
1928
97 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
265
2010 count
Owner
County
County Highway Agency

About this bridge

Co. Rd. 8600 West over West Canal is a concrete tee beam carrying Co. Rd. 8600 West over West Canal in Box Elder County, Utah. It was built in 1928, so it is 97 years old, older than the Utah average of 40.1 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 265 vehicles a day, roughly 1% of them trucks, projected to reach 321 by 2030. The structure is 26 ft (8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCo. Rd. 8600 West
CrossesWest Canal
Location2 Mi.W. Tremonton Airport
RouteCounty Highway 1119
CountyBox Elder County
StateUtah
Coordinates41.71553, -112.22564
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (8 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2010)
Projected traffic321 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. 8600 West over West Canal built?

It was built in 1928, making it 97 years old in 2025.

What condition is Co. Rd. 8600 West over West 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 November 2023.

How much traffic does Co. Rd. 8600 West over West Canal carry?

About 265 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Co. Rd. 8600 West over West Canal?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Co. Rd. 8600 West over West Canal?

It is owned by the County Highway Agency.