US Bridges

I-84 (SR-84) Wbl over Co.Access Rd. Int.X-Road

Fair

Morgan County, Utah · Round Valley Interchange · Structure no. 4D 645

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
31 ft
1 main span
Daily traffic
445
2021 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) Wbl over Co.Access Rd. Int.X-Road is a concrete frame carrying I-84 (SR-84) Wbl over Co.Access Rd. Int.X-Road in Morgan County, Utah. It was built in 1960, so it is 65 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 445 vehicles a day, roughly 56% of them trucks, projected to reach 534 by 2041. The structure is 31 ft (9.4 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-84 (SR-84) Wbl
CrossesCo.Access Rd. Int.X-Road
LocationRound Valley Interchange
RouteInterstate 84
CountyMorgan County
StateUtah
Coordinates41.05116, -111.62479
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 rating61.8 US tons
Inventory rating31.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic445 (2021)
Projected traffic534 by 2041
Trucks56%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Co.Access Rd. Int.X-Road built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-84 (SR-84) Wbl over Co.Access Rd. 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 Co.Access Rd. Int.X-Road carry?

About 445 vehicles per day (2021 count), of which roughly 56% are trucks.

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

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 43 ft wide.

Who owns I-84 (SR-84) Wbl over Co.Access Rd. Int.X-Road?

It is owned by the State Highway Agency.