SUNSET/3360 over Cottonwood Creek
GoodWhitman County, Washington · 1.20 MI SE Pne Cty-Malden · Structure no. 086855000000000
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 120 ft
- 1 main span
- Daily traffic
- 90
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
SUNSET/3360 over Cottonwood Creek is a prestressed concrete tee beam carrying SUNSET/3360 over Cottonwood Creek in Whitman County, Washington. It was built in 2002, so it is 23 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 90 vehicles a day, roughly 25% of them trucks, projected to reach 90 by 2039. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SUNSET/3360 over Cottonwood Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is SUNSET/3360 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 November 2024.
How much traffic does SUNSET/3360 over Cottonwood Creek carry?
About 90 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is SUNSET/3360 over Cottonwood Creek?
The structure is 120 ft (36.6 m) long with a longest span of 118 ft (36 m) and a deck 34 ft wide.
Who owns SUNSET/3360 over Cottonwood Creek?
It is owned by the County Highway Agency.