US Bridges

College Drive over I-80

Fair

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

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
2 main spans
Daily traffic
8,450
2024 count
Owner
State
State Highway Agency

About this bridge

College Drive over I-80 is a steel continuous stringer/multi-beam or girder carrying College Drive over I-80 in Sweetwater County, Wyoming. It was built in 1989, so it is 36 years old, younger 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.

It carries about 8,450 vehicles a day, roughly 3% of them trucks, projected to reach 11,830 by 2043. The structure is 252 ft (76.7 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCollege Drive
CrossesI-80
LocationRock Springs Marginal
RouteCity Street 4301
CountySweetwater County
StateWyoming
Coordinates41.59726, -109.24165
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length252 ft (76.7 m)
Longest span126 ft (38.3 m)
Deck width80 ft (24.5 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,450 (2024)
Projected traffic11,830 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 College Drive over I-80 built?

It was built in 1989, making it 36 years old in 2025.

What condition is College Drive over I-80 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 June 2023.

How much traffic does College Drive over I-80 carry?

About 8,450 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is College Drive over I-80?

The structure is 252 ft (76.7 m) long with a longest span of 126 ft (38.3 m) and a deck 80 ft wide.

Who owns College Drive over I-80?

It is owned by the State Highway Agency.