US Bridges

I-80 Wbl over Red Hill Road

FairPosted for load

Sweetwater County, Wyoming · Rock Springs - Rawlins · Structure no. ARH

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
6,781
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Wbl over Red Hill Road is a concrete continuous slab carrying I-80 Wbl over Red Hill Road in Sweetwater County, Wyoming. It was built in 1960, so it is 65 years old, older than the Wyoming average of 48.4 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. Its operating status is: posted for load restriction.

It carries about 6,781 vehicles a day, roughly 59% of them trucks, projected to reach 9,493 by 2043. The structure is 94 ft (28.5 m) long and 41 ft wide.

CarriesI-80 Wbl
CrossesRed Hill Road
LocationRock Springs - Rawlins
RouteInterstate 80
StateWyoming
Coordinates41.64891, -108.62754
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating50.8 US tons
Inventory rating30.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length94 ft (28.5 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,781 (2024)
Projected traffic9,493 by 2043
Trucks59%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-80 Wbl over Red Hill Road built?

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

What condition is I-80 Wbl over Red Hill 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 May 2023.

How much traffic does I-80 Wbl over Red Hill Road carry?

About 6,781 vehicles per day (2024 count), of which roughly 59% are trucks.

How long is I-80 Wbl over Red Hill Road?

The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns I-80 Wbl over Red Hill Road?

It is owned by the State Highway Agency.