Lost Valley Road over Stillman Creek
GoodLewis County, Washington · 0.3 W Boistfort · Structure no. 081207000000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 157
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Lost Valley Road over Stillman Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Lost Valley Road over Stillman Creek in Lewis County, Washington. It was built in 1995, so it is 30 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 157 vehicles a day, roughly 31% of them trucks, projected to reach 284 by 2042. The structure is 180 ft (54.9 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Lost Valley Road over Stillman Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Lost Valley Road over Stillman Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2022.
How much traffic does Lost Valley Road over Stillman Creek carry?
About 157 vehicles per day (2022 count), of which roughly 31% are trucks.
How long is Lost Valley Road over Stillman Creek?
The structure is 180 ft (54.9 m) long with a longest span of 88 ft (26.8 m) and a deck 31 ft wide.
Who owns Lost Valley Road over Stillman Creek?
It is owned by the County Highway Agency.