US 101 over Purdy Creek
GoodMason County, Washington · 4.1 S JCT SR 106 · Structure no. 0017577A0000000
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 350 ft
- 3 main spans
- Daily traffic
- 7,648
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 101 over Purdy Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 101 over Purdy Creek in Mason County, Washington. It was built in 2009, so it is 16 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 7,648 vehicles a day, roughly 6% of them trucks, projected to reach 9,983 by 2039. The structure is 350 ft (106.7 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 101 over Purdy Creek built?
It was built in 2009, making it 16 years old in 2025.
What condition is US 101 over Purdy 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 September 2023.
How much traffic does US 101 over Purdy Creek carry?
About 7,648 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is US 101 over Purdy Creek?
The structure is 350 ft (106.7 m) long with a longest span of 135 ft (41.1 m) and a deck 46 ft wide.
Who owns US 101 over Purdy Creek?
It is owned by the State Highway Agency.