Cowiche Mill Rd. over Cowiche Creek
FairYakima County, Washington · 02.38 W of Sunset W · Structure no. 084665000000000
- Built
- 1963
- 62 years old, rebuilt 2005
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 24 ft
- 1 main span
- Daily traffic
- 200
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Cowiche Mill Rd. over Cowiche Creek is a wood or timber stringer/multi-beam or girder carrying Cowiche Mill Rd. over Cowiche Creek in Yakima County, Washington. It was built in 1963 and reconstructed in 2005, so it is 62 years old, older than the Washington average of 49.8 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 202 by 2040. The structure is 24 ft (7.3 m) long and 21 ft wide. 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 1963, making it 62 years old in 2025. It was reconstructed in 2005.
What condition is Cowiche Mill Rd. over Cowiche Creek 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 April 2024.
How much traffic does Cowiche Mill Rd. over Cowiche Creek carry?
About 200 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Cowiche Mill Rd. over Cowiche Creek?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.
Who owns Cowiche Mill Rd. over Cowiche Creek?
It is owned by the County Highway Agency.