I-90 Wbl over Inyan Kara Creek
GoodCrook County, Wyoming · Moorcroft - Sundance · Structure no. BID
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 186 ft
- 3 main spans
- Daily traffic
- 1,829
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 Wbl over Inyan Kara Creek is a steel continuous stringer/multi-beam or girder carrying I-90 Wbl over Inyan Kara Creek in Crook County, Wyoming. It was built in 1961, so it is 64 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 1,829 vehicles a day, roughly 27% of them trucks, projected to reach 2,561 by 2043. The structure is 186 ft (56.7 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
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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 Wbl over Inyan Kara Creek built?
It was built in 1961, making it 64 years old in 2025.
What condition is I-90 Wbl over Inyan Kara Creek 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 Inyan Kara Creek carry?
About 1,829 vehicles per day (2024 count), of which roughly 27% are trucks.
How long is I-90 Wbl over Inyan Kara Creek?
The structure is 186 ft (56.7 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.
Who owns I-90 Wbl over Inyan Kara Creek?
It is owned by the State Highway Agency.