I-90 Ebl over Machinery Pass
FairCrook County, Wyoming · Sundance - S Dakota Line · Structure no. DHS
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected March 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 2,891
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 Ebl over Machinery Pass is a concrete continuous tee beam carrying I-90 Ebl over Machinery Pass in Crook County, Wyoming. It was built in 1977, so it is 48 years old, younger 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 2,891 vehicles a day, roughly 19% of them trucks, projected to reach 4,047 by 2043. The structure is 75 ft (22.9 m) long and 45 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 Ebl over Machinery Pass built?
It was built in 1977, making it 48 years old in 2025.
What condition is I-90 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 March 2024.
How much traffic does I-90 Ebl over Machinery Pass carry?
About 2,891 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is I-90 Ebl over Machinery Pass?
The structure is 75 ft (22.9 m) long with a longest span of 31 ft (9.4 m) and a deck 45 ft wide.
Who owns I-90 Ebl over Machinery Pass?
It is owned by the State Highway Agency.