US Bridges

I-80 Wbl over SW CR 21 (bar X Road)

FairPosted for load

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

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
6,655
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Wbl over SW CR 21 (bar X Road) is a concrete continuous slab carrying I-80 Wbl over SW CR 21 (bar X 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 5 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 6,655 vehicles a day, roughly 60% of them trucks, projected to reach 9,317 by 2043. The structure is 94 ft (28.5 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-80 Wbl
CrossesSW CR 21 (bar X Road)
LocationRock Springs - Rawlins
RouteInterstate 80
CountySweetwater County
StateWyoming
Coordinates41.63369, -108.37876
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.5 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 traffic6,655 (2024)
Projected traffic9,317 by 2043
Trucks60%
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 SW CR 21 (bar X Road) built?

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

What condition is I-80 Wbl over SW CR 21 (bar 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 May 2023.

How much traffic does I-80 Wbl over SW CR 21 (bar X Road) carry?

About 6,655 vehicles per day (2024 count), of which roughly 60% are trucks.

How long is I-80 Wbl over SW CR 21 (bar X 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 SW CR 21 (bar X Road)?

It is owned by the State Highway Agency.