US Bridges

Interchange Road over I-80

Good

Sweetwater County, Wyoming · Rock Springs Marginal · Structure no. NDQ

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
3 main spans
Daily traffic
3,037
2024 count
Owner
State
State Highway Agency

About this bridge

Interchange Road over I-80 is a steel continuous stringer/multi-beam or girder carrying Interchange Road over I-80 in Sweetwater County, Wyoming. It was built in 2022, so it is 3 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,037 vehicles a day, roughly 5% of them trucks, projected to reach 4,252 by 2043. The structure is 250 ft (76.2 m) long and 62 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesInterchange Road
CrossesI-80
LocationRock Springs Marginal
RouteCity Street 8999
CountySweetwater County
StateWyoming
Coordinates41.57187, -109.27643
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span160 ft (48.8 m)
Deck width62 ft (19 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,037 (2024)
Projected traffic4,252 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Interchange Road over I-80 built?

It was built in 2022, making it 3 years old in 2025.

What condition is Interchange Road over I-80 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Interchange Road over I-80 carry?

About 3,037 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Interchange Road over I-80?

The structure is 250 ft (76.2 m) long with a longest span of 160 ft (48.8 m) and a deck 62 ft wide.

Who owns Interchange Road over I-80?

It is owned by the State Highway Agency.