Wyo 270 over Unnamed Draw
GoodNiobrara County, Wyoming · Manville South · Structure no. JUH
- Built
- 1956
- 69 years old
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Steel
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 279
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 270 over Unnamed Draw is a steel culvert carrying Wyo 270 over Unnamed Draw in Niobrara 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 279 vehicles a day, roughly 10% of them trucks, projected to reach 391 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 47.2 mi (76 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 270 over Unnamed Draw built?
It was built in 1956, making it 69 years old in 2025.
What condition is Wyo 270 over Unnamed Draw in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does Wyo 270 over Unnamed Draw carry?
About 279 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Wyo 270 over Unnamed Draw?
The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m).
Who owns Wyo 270 over Unnamed Draw?
It is owned by the State Highway Agency.