US Bridges

I-80 Ebl over Machinery Pass

Fair

Sweetwater County, Wyoming · Rock Springs - Rawlins · Structure no. AQQ

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
7,398
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Ebl over Machinery Pass is a concrete continuous slab carrying I-80 Ebl over Machinery Pass in Sweetwater County, Wyoming. It was built in 1963, so it is 62 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 7,398 vehicles a day, roughly 51% of them trucks, projected to reach 10,357 by 2043. The structure is 61 ft (18.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-80 Ebl
CrossesMachinery Pass
LocationRock Springs - Rawlins
RouteInterstate 80
StateWyoming
Coordinates41.65624, -108.99569
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 rating51.1 US tons
Inventory rating30.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length61 ft (18.6 m)
Longest span25 ft (7.6 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,398 (2024)
Projected traffic10,357 by 2043
Trucks51%
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 1963, making it 62 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 June 2023.

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

About 7,398 vehicles per day (2024 count), of which roughly 51% are trucks.

How long is I-80 Ebl over Machinery Pass?

The structure is 61 ft (18.6 m) long with a longest span of 25 ft (7.6 m) and a deck 41 ft wide.

Who owns I-80 Ebl over Machinery Pass?

It is owned by the State Highway Agency.