SR 109 over Moclips River
GoodGrays Harbor County, Washington · 15.4 N JCT SR 115 · Structure no. 0005054B0000000
- Built
- 1955
- 70 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 150 ft
- 6 main spans
- Daily traffic
- 2,103
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 109 over Moclips River is a concrete continuous slab carrying SR 109 over Moclips River in Grays Harbor County, Washington. It was built in 1955, so it is 70 years old, older 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 2,103 vehicles a day, roughly 8% of them trucks, projected to reach 2,451 by 2039. The structure is 150 ft (45.7 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 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 SR 109 over Moclips River built?
It was built in 1955, making it 70 years old in 2025.
What condition is SR 109 over Moclips River 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 June 2024.
How much traffic does SR 109 over Moclips River carry?
About 2,103 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is SR 109 over Moclips River?
The structure is 150 ft (45.7 m) long with a longest span of 27 ft (8.2 m) and a deck 35 ft wide.
Who owns SR 109 over Moclips River?
It is owned by the State Highway Agency.