Wiley Road South over Ahtanum Creek
GoodPosted for loadYakima County, Washington · 00.34 N So Ahtanum · Structure no. 081535000000000
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 167
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Wiley Road South over Ahtanum Creek is a prestressed concrete stringer/multi-beam or girder carrying Wiley Road South over Ahtanum Creek in Yakima County, Washington. It was built in 1979, so it is 46 years old, younger than the Washington average of 49.8 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. Its operating status is: posted for load restriction.
It carries about 167 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2040. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wiley Road South over Ahtanum Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Wiley Road South over Ahtanum Creek 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 December 2022.
How much traffic does Wiley Road South over Ahtanum Creek carry?
About 167 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Wiley Road South over Ahtanum Creek?
The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.
Who owns Wiley Road South over Ahtanum Creek?
It is owned by the County Highway Agency.