Wa Cnty RD 81 over Middle Fork Powder River
FairWashakie County, Wyoming · 20 MI S.E. Big Trails · Structure no. FNX
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected July 2023
- Type
- Culvert
- Steel
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 98
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Wa Cnty RD 81 over Middle Fork Powder River is a steel culvert carrying Wa Cnty RD 81 over Middle Fork Powder River in Washakie County, Wyoming. It was built in 1975, so it is 50 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 98 vehicles a day, roughly 58% of them trucks, projected to reach 137 by 2043. The structure is 36 ft (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Wa Cnty RD 81 over Middle Fork Powder River built?
It was built in 1975, making it 50 years old in 2025.
What condition is Wa Cnty RD 81 over Middle 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 July 2023.
How much traffic does Wa Cnty RD 81 over Middle Fork Powder River carry?
About 98 vehicles per day (2024 count), of which roughly 58% are trucks.
How long is Wa Cnty RD 81 over Middle Fork Powder River?
The structure is 36 ft (11 m) long with a longest span of 15 ft (4.6 m).
Who owns Wa Cnty RD 81 over Middle Fork Powder River?
It is owned by the County Highway Agency.