US Bridges

I-80 Ebl over Machinery Pass

Fair

Albany County, Wyoming · Rawlins - Laramie · Structure no. AWH

Built
1968
57 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
5,162
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Ebl over Machinery Pass is a concrete continuous tee beam carrying I-80 Ebl over Machinery Pass in Albany County, Wyoming. It was built in 1968, so it is 57 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 5,162 vehicles a day, roughly 67% of them trucks, projected to reach 7,227 by 2043. The structure is 76 ft (23.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-80 Ebl
CrossesMachinery Pass
LocationRawlins - Laramie
RouteInterstate 80
StateWyoming
Coordinates41.45237, -105.9735
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length76 ft (23.2 m)
Longest span31 ft (9.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,162 (2024)
Projected traffic7,227 by 2043
Trucks67%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
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 Ebl over Machinery Pass built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-80 Ebl over Machinery Pass 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 2024.

How much traffic does I-80 Ebl over Machinery Pass carry?

About 5,162 vehicles per day (2024 count), of which roughly 67% are trucks.

How long is I-80 Ebl over Machinery Pass?

The structure is 76 ft (23.2 m) long with a longest span of 31 ft (9.4 m) and a deck 41 ft wide.

Who owns I-80 Ebl over Machinery Pass?

It is owned by the State Highway Agency.