Wa Cnty RD 580A over Big Cottonwood Creek
PoorPosted for loadWashakie County, Wyoming · 9 MI West of Tensleep · Structure no. FMO
- Built
- 1937
- 88 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 82 ft
- 3 main spans
- Daily traffic
- 16
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Wa Cnty RD 580A over Big Cottonwood Creek is a wood or timber stringer/multi-beam or girder carrying Wa Cnty RD 580A over Big Cottonwood Creek in Washakie County, Wyoming. It was built in 1937, so it is 88 years old, older than the Wyoming average of 48.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 16 vehicles a day, roughly 6% of them trucks, projected to reach 22 by 2043. The structure is 82 ft (25 m) long and 25 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Wa Cnty RD 580A over Big Cottonwood Creek built?
It was built in 1937, making it 88 years old in 2025.
What condition is Wa Cnty RD 580A over Big Cottonwood Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does Wa Cnty RD 580A over Big Cottonwood Creek carry?
About 16 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Wa Cnty RD 580A over Big Cottonwood Creek?
The structure is 82 ft (25 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.
Who owns Wa Cnty RD 580A over Big Cottonwood Creek?
It is owned by the County Highway Agency.