Upper Hoh Road over West Twin Creek
GoodJefferson County, Washington · 14.6 Mi. E. of Jct. Hwy. · Structure no. 9500053P0000000
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 113 ft
- 1 main span
- Daily traffic
- 25
- 2011 count
- Owner
- Federal
- National Park Service
About this bridge
Upper Hoh Road over West Twin Creek is a prestressed concrete tee beam carrying Upper Hoh Road over West Twin Creek in Jefferson County, Washington. It was built in 2007, so it is 18 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 25 vehicles a day, projected to reach 30 by 2031. The structure is 113 ft (34.4 m) long and 31 ft wide.
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 Upper Hoh Road over West Twin Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is Upper Hoh Road over West Twin 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 2023.
How much traffic does Upper Hoh Road over West Twin Creek carry?
About 25 vehicles per day (2011 count).
How long is Upper Hoh Road over West Twin Creek?
The structure is 113 ft (34.4 m) long with a longest span of 113 ft (34.4 m) and a deck 31 ft wide.
Who owns Upper Hoh Road over West Twin Creek?
It is owned by the National Park Service.