Wyo 220 over Unnamed Draw
FairNatrona County, Wyoming · Muddy Gap-Casper · Structure no. GUY
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected March 2024
- Type
- Culvert
- Steel
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 3,058
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 220 over Unnamed Draw is a steel culvert carrying Wyo 220 over Unnamed Draw in Natrona County, Wyoming. It was built in 1970, so it is 55 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 6 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 25 ft (7.6 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 | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 220 over Unnamed Draw built?
It was built in 1970, making it 55 years old in 2025.
What condition is Wyo 220 over Unnamed Draw 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 March 2024.
How much traffic does Wyo 220 over Unnamed Draw carry?
About 3,058 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is Wyo 220 over Unnamed Draw?
The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m).
Who owns Wyo 220 over Unnamed Draw?
It is owned by the State Highway Agency.