Wyo 220 over Cottonwood Creek
FairNatrona County, Wyoming · Wyo 487 JCT - Casper · Structure no. BUK
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected April 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 3,058
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 220 over Cottonwood Creek is a concrete continuous culvert carrying Wyo 220 over Cottonwood Creek in Natrona County, Wyoming. It was built in 1965, so it is 60 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 3,058 vehicles a day, roughly 20% of them trucks, projected to reach 4,281 by 2043. The structure is 23 ft (7.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 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 Wyo 220 over Cottonwood Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is Wyo 220 over Cottonwood 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 April 2023.
How much traffic does Wyo 220 over Cottonwood Creek carry?
About 3,058 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is Wyo 220 over Cottonwood Creek?
The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3 m).
Who owns Wyo 220 over Cottonwood Creek?
It is owned by the State Highway Agency.