I-90 Wbl over Machinery Pass
GoodCrook County, Wyoming · Sundance - S Dakota Line · Structure no. DHX
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected June 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 2,907
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 Wbl over Machinery Pass is a concrete continuous tee beam carrying I-90 Wbl 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 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 2,907 vehicles a day, roughly 15% of them trucks, projected to reach 4,070 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
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 Wbl over Machinery Pass built?
It was built in 1977, making it 48 years old in 2025.
What condition is I-90 Wbl 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 June 2023.
How much traffic does I-90 Wbl over Machinery Pass carry?
About 2,907 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is I-90 Wbl 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 Wbl over Machinery Pass?
It is owned by the State Highway Agency.