Jackson HWY South over Salmon Creek
FairLewis County, Washington · 1.0 S. S.R. 505 · Structure no. 082674000000000
- Built
- 1923
- 102 years old, rebuilt 1981
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 217 ft
- 4 main spans
- Daily traffic
- 1,368
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Jackson HWY South over Salmon Creek is a concrete stringer/multi-beam or girder carrying Jackson HWY South over Salmon Creek in Lewis County, Washington. It was built in 1923 and reconstructed in 1981, so it is 102 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 1,368 vehicles a day, roughly 13% of them trucks, projected to reach 2,471 by 2041. The structure is 217 ft (66.1 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Jackson HWY South over Salmon Creek built?
It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1981.
What condition is Jackson HWY South over Salmon 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 January 2024.
How much traffic does Jackson HWY South over Salmon Creek carry?
About 1,368 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is Jackson HWY South over Salmon Creek?
The structure is 217 ft (66.1 m) long with a longest span of 60 ft (18.3 m) and a deck 38 ft wide.
Who owns Jackson HWY South over Salmon Creek?
It is owned by the County Highway Agency.