Cloquallum Road over Cloquallum Creek
GoodMason County, Washington · 1.53 S JCT Highland RD · Structure no. 086196000000000
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected April 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 69 ft
- 1 main span
- Daily traffic
- 627
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Cloquallum Road over Cloquallum Creek is a prestressed concrete slab carrying Cloquallum Road over Cloquallum Creek in Mason County, Washington. It was built in 1996, so it is 29 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 627 vehicles a day, roughly 10% of them trucks, projected to reach 1,400 by 2040. The structure is 69 ft (21 m) long and 36 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cloquallum Road over Cloquallum Creek built?
It was built in 1996, making it 29 years old in 2025.
What condition is Cloquallum Road over Cloquallum 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 April 2024.
How much traffic does Cloquallum Road over Cloquallum Creek carry?
About 627 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Cloquallum Road over Cloquallum Creek?
The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 36 ft wide.
Who owns Cloquallum Road over Cloquallum Creek?
It is owned by the County Highway Agency.