Sinlahekin RD over Blue Lake Outlet
GoodOkanogan County, Washington · 9.5 MI S. of Loomis · Structure no. 089032000000000
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Steel
- Length
- 21 ft
- 1 main span
- Daily traffic
- 36
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Sinlahekin RD over Blue Lake Outlet is a steel culvert carrying Sinlahekin RD over Blue Lake Outlet in Okanogan County, Washington. It was built in 2018, so it is 7 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 36 vehicles a day, roughly 8% of them trucks, projected to reach 100 by 2042. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 52.2 mi (84 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sinlahekin RD over Blue Lake Outlet built?
It was built in 2018, making it 7 years old in 2025.
What condition is Sinlahekin RD over Blue Lake Outlet 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 2024.
How much traffic does Sinlahekin RD over Blue Lake Outlet carry?
About 36 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Sinlahekin RD over Blue Lake Outlet?
The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m).
Who owns Sinlahekin RD over Blue Lake Outlet?
It is owned by the County Highway Agency.