I-90 Service Road over Alkali Creek
FairPosted for loadCrook County, Wyoming · Sundance - S Dakota Line · Structure no. BJQ
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 115 ft
- 5 main spans
- Daily traffic
- 275
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 Service Road over Alkali Creek is a concrete continuous slab carrying I-90 Service Road over Alkali Creek in Crook County, Wyoming. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.
It carries about 275 vehicles a day, roughly 4% of them trucks, projected to reach 385 by 2043. The structure is 115 ft (35.1 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Service Road over Alkali Creek built?
It was built in 1956, making it 69 years old in 2025.
What condition is I-90 Service Road over Alkali Creek 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 August 2024.
How much traffic does I-90 Service Road over Alkali Creek carry?
About 275 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is I-90 Service Road over Alkali Creek?
The structure is 115 ft (35.1 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.
Who owns I-90 Service Road over Alkali Creek?
It is owned by the State Highway Agency.