I-90 Wbl over Lower Powder River Road
FairJohnson County, Wyoming · Buffalo - Gillette · Structure no. BES
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 94 ft
- 3 main spans
- Daily traffic
- 1,834
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 Wbl over Lower Powder River Road is a concrete continuous slab carrying I-90 Wbl over Lower Powder River Road in Johnson 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 fair condition with a lowest component rating of 5 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 1,834 vehicles a day, roughly 19% of them trucks, projected to reach 2,568 by 2043. The structure is 94 ft (28.5 m) long and 41 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 Wbl over Lower Powder River Road built?
It was built in 1961, making it 64 years old in 2025.
What condition is I-90 Wbl over Lower Powder River Road 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-90 Wbl over Lower Powder River Road carry?
About 1,834 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is I-90 Wbl over Lower Powder River Road?
The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.
Who owns I-90 Wbl over Lower Powder River Road?
It is owned by the State Highway Agency.