Old Olympic Highwa over Kennedy Creek
FairMason County, Washington · 0.40 S JCT SR 101 · Structure no. 084386000000000
- Built
- 1917
- 108 years old
- Condition
- Fair
- inspected April 2024
- Type
- Arch - Deck
- Concrete
- Length
- 133 ft
- 2 main spans
- Daily traffic
- 72
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Old Olympic Highwa over Kennedy Creek is a concrete arch - deck carrying Old Olympic Highwa over Kennedy Creek in Mason County, Washington. It was built in 1917, so it is 108 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 72 vehicles a day, roughly 5% of them trucks, projected to reach 375 by 2040. The structure is 133 ft (40.5 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Old Olympic Highwa over Kennedy Creek built?
It was built in 1917, making it 108 years old in 2025.
What condition is Old Olympic Highwa over Kennedy Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does Old Olympic Highwa over Kennedy Creek carry?
About 72 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Old Olympic Highwa over Kennedy Creek?
The structure is 133 ft (40.5 m) long with a longest span of 49 ft (14.8 m) and a deck 23 ft wide.
Who owns Old Olympic Highwa over Kennedy Creek?
It is owned by the County Highway Agency.