Twin Oaks Road over Stearns Cr.
FairLewis County, Washington · 2.5 SW Chehalis · Structure no. 081210000000000
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected January 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 107 ft
- 4 main spans
- Daily traffic
- 923
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twin Oaks Road over Stearns Cr. is a prestressed concrete slab carrying Twin Oaks Road over Stearns Cr. in Lewis County, Washington. It was built in 1979, so it is 46 years old, younger 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 923 vehicles a day, roughly 17% of them trucks, projected to reach 1,668 by 2042. The structure is 107 ft (32.6 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twin Oaks Road over Stearns Cr. built?
It was built in 1979, making it 46 years old in 2025.
What condition is Twin Oaks Road over Stearns Cr. 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 2023.
How much traffic does Twin Oaks Road over Stearns Cr. carry?
About 923 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is Twin Oaks Road over Stearns Cr.?
The structure is 107 ft (32.6 m) long with a longest span of 27 ft (8.2 m) and a deck 33 ft wide.
Who owns Twin Oaks Road over Stearns Cr.?
It is owned by the County Highway Agency.