US Bridges

I-84 (SR-84) over Blue Creek

Fair

Box Elder County, Utah · 17 Mi. North of Tremonton · Structure no. 0E1127

Built
1958
67 years old, rebuilt 1970
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
12,370
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) over Blue Creek is a concrete culvert carrying I-84 (SR-84) over Blue Creek in Box Elder County, Utah. It was built in 1958 and reconstructed in 1970, so it is 67 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 12,370 vehicles a day, roughly 53% of them trucks, projected to reach 14,844 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesI-84 (SR-84)
CrossesBlue Creek
Location17 Mi. North of Tremonton
RouteInterstate 84
CountyBox Elder County
StateUtah
Coordinates41.85556, -112.45
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating95.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,370 (2022)
Projected traffic14,844 by 2042
Trucks53%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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-84 (SR-84) over Blue Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1970.

What condition is I-84 (SR-84) over Blue Creek 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-84 (SR-84) over Blue Creek carry?

About 12,370 vehicles per day (2022 count), of which roughly 53% are trucks.

How long is I-84 (SR-84) over Blue Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m).

Who owns I-84 (SR-84) over Blue Creek?

It is owned by the State Highway Agency.