US Bridges

Wyo 76 over I-80

Fair

Carbon County, Wyoming · Rawlins - Laramie · Structure no. DAB

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
4 main spans
Daily traffic
509
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 76 over I-80 is a steel continuous stringer/multi-beam or girder carrying Wyo 76 over I-80 in Carbon County, Wyoming. It was built in 1966, so it is 59 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.

It carries about 509 vehicles a day, roughly 30% of them trucks, projected to reach 713 by 2043. The structure is 210 ft (64 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWyo 76
CrossesI-80
LocationRawlins - Laramie
RouteState Highway 76
StateWyoming
Coordinates41.77258, -107.08242
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 rating51 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span62 ft (18.9 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic509 (2024)
Projected traffic713 by 2043
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 Wyo 76 over I-80 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Wyo 76 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 2024.

How much traffic does Wyo 76 over I-80 carry?

About 509 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is Wyo 76 over I-80?

The structure is 210 ft (64 m) long with a longest span of 62 ft (18.9 m) and a deck 36 ft wide.

Who owns Wyo 76 over I-80?

It is owned by the State Highway Agency.