I-90 Service Road over Machinery Pass
GoodCrook County, Wyoming · Sundance - S Dakota Line · Structure no. DAO
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected August 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 448
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 Service Road over Machinery Pass is a concrete continuous tee beam carrying I-90 Service Road over Machinery Pass in Crook County, Wyoming. It was built in 1976, so it is 49 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 448 vehicles a day, roughly 8% of them trucks, projected to reach 627 by 2043. The structure is 75 ft (22.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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-90 Service Road over Machinery Pass built?
It was built in 1976, making it 49 years old in 2025.
What condition is I-90 Service Road 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 August 2024.
How much traffic does I-90 Service Road over Machinery Pass carry?
About 448 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is I-90 Service Road 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 35 ft wide.
Who owns I-90 Service Road over Machinery Pass?
It is owned by the State Highway Agency.