US Bridges

I-80 Ebl over Machinery Pass

Good

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

Built
1967
58 years old, rebuilt 1995
Condition
Good
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
5,886
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 Carbon County, Wyoming. It was built in 1967 and reconstructed in 1995, so it is 58 years old, older 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 5,886 vehicles a day, roughly 60% of them trucks, projected to reach 8,240 by 2043. The structure is 76 ft (23.2 m) long and 53 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
Coordinates41.7312, -106.66532
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 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 width53 ft (16.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,886 (2024)
Projected traffic8,240 by 2043
Trucks60%
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 1967, making it 58 years old in 2025. It was reconstructed in 1995.

What condition is I-80 Ebl over Machinery Pass 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 May 2023.

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

About 5,886 vehicles per day (2024 count), of which roughly 60% 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 53 ft wide.

Who owns I-80 Ebl over Machinery Pass?

It is owned by the State Highway Agency.