SR 6 over Mill Creek
FairLewis County, Washington · 23.2 E Pacific CO · Structure no. 0000538A0000000
- Built
- 1921
- 104 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 42 ft
- 2 main spans
- Daily traffic
- 9,066
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 6 over Mill Creek is a concrete continuous slab carrying SR 6 over Mill Creek in Lewis County, Washington. It was built in 1921, so it is 104 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 9,066 vehicles a day, roughly 9% of them trucks, projected to reach 11,579 by 2039. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 6 over Mill Creek built?
It was built in 1921, making it 104 years old in 2025.
What condition is SR 6 over Mill 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 April 2024.
How much traffic does SR 6 over Mill Creek carry?
About 9,066 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is SR 6 over Mill Creek?
The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.
Who owns SR 6 over Mill Creek?
It is owned by the State Highway Agency.