US Bridges

I-84 (SR-84) Wbl over SR-167 Int. X-Road

Fair

Morgan County, Utah · Mountain Green Interchg. · Structure no. 4D 751

Built
1966
59 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
19,585
2014 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) Wbl over SR-167 Int. X-Road is a concrete continuous tee beam carrying I-84 (SR-84) Wbl over SR-167 Int. X-Road in Morgan County, Utah. It was built in 1966, so it is 59 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 19,585 vehicles a day, roughly 42% of them trucks, projected to reach 24,482 by 2034. The structure is 110 ft (33.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-84 (SR-84) Wbl
CrossesSR-167 Int. X-Road
LocationMountain Green Interchg.
RouteInterstate 84
CountyMorgan County
StateUtah
Coordinates41.13817, -111.82847
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,585 (2014)
Projected traffic24,482 by 2034
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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) Wbl over SR-167 Int. X-Road built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-84 (SR-84) Wbl over SR-167 Int. X-Road 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 July 2023.

How much traffic does I-84 (SR-84) Wbl over SR-167 Int. X-Road carry?

About 19,585 vehicles per day (2014 count), of which roughly 42% are trucks.

How long is I-84 (SR-84) Wbl over SR-167 Int. X-Road?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 41 ft wide.

Who owns I-84 (SR-84) Wbl over SR-167 Int. X-Road?

It is owned by the State Highway Agency.