I-80 Wbl over Machinery Pass
FairCarbon County, Wyoming · Rawlins - Laramie · Structure no. AUX
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 76 ft
- 3 main spans
- Daily traffic
- 6,178
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-80 Wbl over Machinery Pass is a concrete continuous tee beam carrying I-80 Wbl over Machinery Pass in Carbon County, Wyoming. It was built in 1967, 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 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 6,178 vehicles a day, roughly 61% of them trucks, projected to reach 8,649 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).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-80 Wbl over Machinery Pass built?
It was built in 1967, making it 58 years old in 2025.
What condition is I-80 Wbl 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 2023.
How much traffic does I-80 Wbl over Machinery Pass carry?
About 6,178 vehicles per day (2024 count), of which roughly 61% are trucks.
How long is I-80 Wbl 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 Wbl over Machinery Pass?
It is owned by the State Highway Agency.