Old THORNTON/3910 over Thorn Creek
FairPosted for loadWhitman County, Washington · 0.68 MI NW SR 195 · Structure no. 083614000000000
- Built
- 1930
- 95 years old
- Condition
- Fair
- inspected December 2023
- Type
- Slab
- Concrete Continuous
- Length
- 35 ft
- 2 main spans
- Daily traffic
- 130
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Old THORNTON/3910 over Thorn Creek is a concrete continuous slab carrying Old THORNTON/3910 over Thorn Creek in Whitman County, Washington. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.
It carries about 130 vehicles a day, roughly 25% of them trucks, projected to reach 133 by 2044. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old THORNTON/3910 over Thorn Creek built?
It was built in 1930, making it 95 years old in 2025.
What condition is Old THORNTON/3910 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 Old THORNTON/3910 over Thorn Creek carry?
About 130 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is Old THORNTON/3910 over Thorn Creek?
The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.
Who owns Old THORNTON/3910 over Thorn Creek?
It is owned by the County Highway Agency.