US Bridges

I-15 NB On-Ramp over West Canal

Fair

Box Elder County, Utah · Garland Interchange · Structure no. 1E2314

Built
1988
37 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
1,477
2022 count
Owner
State
State Highway Agency

About this bridge

I-15 NB On-Ramp over West Canal is a concrete culvert carrying I-15 NB On-Ramp over West Canal in Box Elder County, Utah. It was built in 1988, so it is 37 years old, younger 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 1,477 vehicles a day, roughly 43% of them trucks, projected to reach 1,772 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI-15 NB On-Ramp
CrossesWest Canal
LocationGarland Interchange
RouteInterstate 15
CountyBox Elder County
StateUtah
Coordinates41.72722, -112.19167
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating106.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,477 (2022)
Projected traffic1,772 by 2042
Trucks43%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-15 NB On-Ramp over West Canal built?

It was built in 1988, making it 37 years old in 2025.

What condition is I-15 NB On-Ramp 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 April 2023.

How much traffic does I-15 NB On-Ramp over West Canal carry?

About 1,477 vehicles per day (2022 count), of which roughly 43% are trucks.

How long is I-15 NB On-Ramp over West Canal?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m).

Who owns I-15 NB On-Ramp over West Canal?

It is owned by the State Highway Agency.