US Bridges

I-15(SR-15)NB / SB over Corinne Canal

Fair

Box Elder County, Utah · Elwood Interchange · Structure no. 0E1492

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
—
2023 count
Owner
State
State Highway Agency

About this bridge

I-15(SR-15)NB / SB over Corinne Canal is a concrete culvert carrying I-15(SR-15)NB / SB over Corinne Canal in Box Elder County, Utah. It was built in 1967, so it is 58 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.

No traffic count is recorded. The structure is 24 ft (7.3 m) long and 177 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-15(SR-15)NB / SB
CrossesCorinne Canal
LocationElwood Interchange
RouteInterstate 15
CountyBox Elder County
StateUtah
Coordinates41.68, -112.14167
Functional classRural 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 protection7 GoodSome minor problems.
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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width177 ft (54.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks34%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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(SR-15)NB / SB over Corinne Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-15(SR-15)NB / SB over Corinne 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(SR-15)NB / SB over Corinne Canal carry?

No traffic count is recorded for this structure.

How long is I-15(SR-15)NB / SB over Corinne Canal?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 177 ft wide.

Who owns I-15(SR-15)NB / SB over Corinne Canal?

It is owned by the State Highway Agency.