SR 23 over Cottonwood Creek
GoodWhitman County, Washington · 17.9 N JCT US 195 · Structure no. 0003122A0000000
- Built
- 1946
- 79 years old
- Condition
- Good
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 5 main spans
- Daily traffic
- 705
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 23 over Cottonwood Creek is a concrete continuous slab carrying SR 23 over Cottonwood Creek in Whitman County, Washington. It was built in 1946, so it is 79 years old, older 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 705 vehicles a day, roughly 20% of them trucks, projected to reach 735 by 2039. The structure is 72 ft (21.9 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 SR 23 over Cottonwood Creek built?
It was built in 1946, making it 79 years old in 2025.
What condition is SR 23 over Cottonwood 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 April 2024.
How much traffic does SR 23 over Cottonwood Creek carry?
About 705 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is SR 23 over Cottonwood Creek?
The structure is 72 ft (21.9 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.
Who owns SR 23 over Cottonwood Creek?
It is owned by the State Highway Agency.