Thorndyke Road over Thorndyke Creek
GoodJefferson County, Washington · 4.71 S JCT South Point RD · Structure no. 089343000000000
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected April 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 492
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Thorndyke Road over Thorndyke Creek is a prestressed concrete slab carrying Thorndyke Road over Thorndyke Creek in Jefferson County, Washington. It was built in 2022, so it is 3 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 492 vehicles a day, roughly 5% of them trucks, projected to reach 659 by 2042. The structure is 40 ft (12.2 m) long and 52 ft wide. If it were closed, the detour would be 29.2 mi (47 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 Thorndyke Road over Thorndyke Creek built?
It was built in 2022, making it 3 years old in 2025.
What condition is Thorndyke Road over Thorndyke 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 2023.
How much traffic does Thorndyke Road over Thorndyke Creek carry?
About 492 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Thorndyke Road over Thorndyke Creek?
The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.7 m) and a deck 52 ft wide.
Who owns Thorndyke Road over Thorndyke Creek?
It is owned by the County Highway Agency.