I-80 Wbl over Machinery Pass
FairCarbon County, Wyoming · Rawlins - Laramie · Structure no. AVT
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 76 ft
- 3 main spans
- Daily traffic
- 6,342
- 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 1970, so it is 55 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 6,342 vehicles a day, roughly 58% of them trucks, projected to reach 8,879 by 2043. The structure is 76 ft (23.2 m) long and 43 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-80 Wbl over Machinery Pass built?
It was built in 1970, making it 55 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 2024.
How much traffic does I-80 Wbl over Machinery Pass carry?
About 6,342 vehicles per day (2024 count), of which roughly 58% 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 43 ft wide.
Who owns I-80 Wbl over Machinery Pass?
It is owned by the State Highway Agency.