Dewatto Holly RD over Dewatto River
FairMason County, Washington · 2.49 NE JCT Dewatto RD · Structure no. 083124000000000
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 200
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Dewatto Holly RD over Dewatto River is a concrete stringer/multi-beam or girder carrying Dewatto Holly RD over Dewatto River in Mason County, Washington. It was built in 1967, so it is 58 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 255 by 2040. The structure is 55 ft (16.8 m) long and 27 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dewatto Holly RD over Dewatto River built?
It was built in 1967, making it 58 years old in 2025.
What condition is Dewatto Holly RD over Dewatto River 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 June 2024.
How much traffic does Dewatto Holly RD over Dewatto River carry?
About 200 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Dewatto Holly RD over Dewatto River?
The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 27 ft wide.
Who owns Dewatto Holly RD over Dewatto River?
It is owned by the County Highway Agency.