Gene NELSON/3390 over Thorn Creek
FairWhitman County, Washington · 0.06 MI SW Thorn Creek · Structure no. 080041000000000
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected December 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 25
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Gene NELSON/3390 over Thorn Creek is a prestressed concrete tee beam carrying Gene NELSON/3390 over Thorn Creek in Whitman County, Washington. It was built in 1966, so it is 59 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 6 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 25 vehicles a day, roughly 25% of them trucks, projected to reach 26 by 2044. The structure is 38 ft (11.6 m) long and 18 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Gene NELSON/3390 over Thorn Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is Gene NELSON/3390 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 Gene NELSON/3390 over Thorn Creek carry?
About 25 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is Gene NELSON/3390 over Thorn Creek?
The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11.1 m) and a deck 18 ft wide.
Who owns Gene NELSON/3390 over Thorn Creek?
It is owned by the County Highway Agency.