Jo Cnty RD 266 over North Fork Powder River
FairJohnson County, Wyoming · 1/4 Mile W. of Mayowrth · Structure no. IXF
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 98
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Jo Cnty RD 266 over North Fork Powder River is a steel continuous stringer/multi-beam or girder carrying Jo Cnty RD 266 over North Fork Powder River in Johnson County, Wyoming. It was built in 1992, so it is 33 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 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 98 vehicles a day, roughly 58% of them trucks, projected to reach 137 by 2043. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Jo Cnty RD 266 over North Fork Powder River built?
It was built in 1992, making it 33 years old in 2025.
What condition is Jo Cnty RD 266 over North Fork Powder River 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 2023.
How much traffic does Jo Cnty RD 266 over North Fork Powder River carry?
About 98 vehicles per day (2024 count), of which roughly 58% are trucks.
How long is Jo Cnty RD 266 over North Fork Powder River?
The structure is 120 ft (36.6 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.
Who owns Jo Cnty RD 266 over North Fork Powder River?
It is owned by the County Highway Agency.