Thorn CREEK/3380 over Thorn Creek
GoodWhitman County, Washington · 8.17 MI SE Pne Cty-Malden · Structure no. 085654000000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 141
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Thorn CREEK/3380 over Thorn Creek is a prestressed concrete stringer/multi-beam or girder carrying Thorn CREEK/3380 over Thorn Creek in Whitman County, Washington. It was built in 1988, so it is 37 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 141 vehicles a day, roughly 25% of them trucks, projected to reach 141 by 2044. The structure is 50 ft (15.2 m) long and 31 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thorn CREEK/3380 over Thorn Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is Thorn CREEK/3380 over Thorn 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 2023.
How much traffic does Thorn CREEK/3380 over Thorn Creek carry?
About 141 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is Thorn CREEK/3380 over Thorn Creek?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 31 ft wide.
Who owns Thorn CREEK/3380 over Thorn Creek?
It is owned by the County Highway Agency.