Washington Route 1 over Laughingwater Creek
GoodLewis County, Washington · 2.6 Miles North of Park B · Structure no. 9450020P0000000
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 278 ft
- 2 main spans
- Daily traffic
- 1,375
- 2022 count
- Owner
- Federal
- National Park Service
About this bridge
Washington Route 1 over Laughingwater Creek is a steel continuous stringer/multi-beam or girder carrying Washington Route 1 over Laughingwater Creek in Lewis County, Washington. It was built in 1994, so it is 31 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 1,375 vehicles a day, roughly 15% of them trucks, projected to reach 1,650 by 2042. The structure is 278 ft (84.7 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Washington Route 1 over Laughingwater Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is Washington Route 1 over Laughingwater 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 August 2024.
How much traffic does Washington Route 1 over Laughingwater Creek carry?
About 1,375 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is Washington Route 1 over Laughingwater Creek?
The structure is 278 ft (84.7 m) long with a longest span of 140 ft (42.7 m) and a deck 32 ft wide.
Who owns Washington Route 1 over Laughingwater Creek?
It is owned by the National Park Service.