Old Oly. Highway over Skookum Creek
GoodMason County, Washington · 0.43 S JCT SR101 · Structure no. 087991000000000
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 83 ft
- 1 main span
- Daily traffic
- 72
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Old Oly. Highway over Skookum Creek is a prestressed concrete continuous tee beam carrying Old Oly. Highway over Skookum Creek in Mason County, Washington. It was built in 2006, so it is 19 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 72 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2044. The structure is 83 ft (25.3 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Old Oly. Highway over Skookum Creek built?
It was built in 2006, making it 19 years old in 2025.
What condition is Old Oly. Highway over Skookum 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 2024.
How much traffic does Old Oly. Highway over Skookum Creek carry?
About 72 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Old Oly. Highway over Skookum Creek?
The structure is 83 ft (25.3 m) long with a longest span of 76 ft (23.1 m) and a deck 49 ft wide.
Who owns Old Oly. Highway over Skookum Creek?
It is owned by the County Highway Agency.