Cecil Creek RD over Sinlahekin Creek
FairOkanogan County, Washington · 2 Miles South of Loomis · Structure no. 089156000000000
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 54
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Cecil Creek RD over Sinlahekin Creek is a prestressed concrete stringer/multi-beam or girder carrying Cecil Creek RD over Sinlahekin Creek in Okanogan County, Washington. It was built in 1975, so it is 50 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 6 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 54 vehicles a day, roughly 52% of them trucks, projected to reach 70 by 2042. The structure is 34 ft (10.5 m) long and 16 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cecil Creek RD over Sinlahekin Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is Cecil Creek RD over Sinlahekin 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 September 2024.
How much traffic does Cecil Creek RD over Sinlahekin Creek carry?
About 54 vehicles per day (2023 count), of which roughly 52% are trucks.
How long is Cecil Creek RD over Sinlahekin Creek?
The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.9 m) and a deck 16 ft wide.
Who owns Cecil Creek RD over Sinlahekin Creek?
It is owned by the County Highway Agency.