US Bridges

City Rd-Tremonton over Highline Canal

Fair

Box Elder County, Utah · NW Side of Tremonton · Structure no. 003008D

Built
1950
75 years old, rebuilt 2010
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
756
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

City Rd-Tremonton over Highline Canal is a concrete culvert carrying City Rd-Tremonton over Highline Canal in Box Elder County, Utah. It was built in 1950 and reconstructed in 2010, so it is 75 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 756 vehicles a day, roughly 1% of them trucks, projected to reach 919 by 2030. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCity Rd-Tremonton
CrossesHighline Canal
LocationNW Side of Tremonton
RouteCity Street 1127
CountyBox Elder County
StateUtah
Coordinates41.72542, -112.20142
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic756 (2010)
Projected traffic919 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was City Rd-Tremonton over Highline Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2010.

What condition is City Rd-Tremonton over Highline 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 City Rd-Tremonton over Highline Canal carry?

About 756 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is City Rd-Tremonton over Highline Canal?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns City Rd-Tremonton over Highline Canal?

It is owned by the City or Municipal Highway Agency.