Cowiche Mill Rd. over Cowiche Creek
GoodYakima County, Washington · 03.10 W Sunset Way · Structure no. 084534000000000
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 184
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Cowiche Mill Rd. over Cowiche Creek is a prestressed concrete stringer/multi-beam or girder carrying Cowiche Mill Rd. over Cowiche Creek in Yakima County, Washington. It was built in 1990, so it is 35 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.
It carries about 184 vehicles a day, roughly 5% of them trucks, projected to reach 202 by 2040. The structure is 33 ft (10.1 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 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 Cowiche Mill Rd. over Cowiche Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is Cowiche Mill Rd. over Cowiche 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 July 2024.
How much traffic does Cowiche Mill Rd. over Cowiche Creek carry?
About 184 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Cowiche Mill Rd. over Cowiche Creek?
The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.
Who owns Cowiche Mill Rd. over Cowiche Creek?
It is owned by the County Highway Agency.