Wyo 585 over Sundance Creek
FairCrook County, Wyoming · Sundance · Structure no. FQK
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 116 ft
- 3 main spans
- Daily traffic
- 1,665
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 585 over Sundance Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 585 over Sundance Creek in Crook County, Wyoming. It was built in 1989, so it is 36 years old, younger 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 1,665 vehicles a day, roughly 3% of them trucks, projected to reach 2,331 by 2043. The structure is 116 ft (35.4 m) long and 50 ft wide. If it were closed, the detour would be 49.1 mi (79 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 585 over Sundance Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Wyo 585 over Sundance 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 Wyo 585 over Sundance Creek carry?
About 1,665 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Wyo 585 over Sundance Creek?
The structure is 116 ft (35.4 m) long with a longest span of 44 ft (13.4 m) and a deck 50 ft wide.
Who owns Wyo 585 over Sundance Creek?
It is owned by the State Highway Agency.