Thorn CREEK/3380 over Thorn Creek
FairWhitman County, Washington · 2.97 MI SE Pne Cty-Malden · Structure no. 081131000000000
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected December 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 121
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Thorn CREEK/3380 over Thorn Creek is a prestressed concrete tee beam carrying Thorn CREEK/3380 over Thorn Creek in Whitman County, Washington. It was built in 1964, so it is 61 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 121 vehicles a day, roughly 25% of them trucks, projected to reach 121 by 2044. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thorn CREEK/3380 over Thorn Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is Thorn CREEK/3380 over Thorn 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 December 2023.
How much traffic does Thorn CREEK/3380 over Thorn Creek carry?
About 121 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is Thorn CREEK/3380 over Thorn Creek?
The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9 m) and a deck 30 ft wide.
Who owns Thorn CREEK/3380 over Thorn Creek?
It is owned by the County Highway Agency.