SE Lake Dorothy RD over Slide Depression
GoodKing County, Washington · 3.0 MI N of I-90 · Structure no. 088394000000000
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 41 ft
- 1 main span
- Daily traffic
- 99
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
SE Lake Dorothy RD over Slide Depression is a steel stringer/multi-beam or girder carrying SE Lake Dorothy RD over Slide Depression in King County, Washington. It was built in 2011, so it is 14 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 99 vehicles a day, roughly 1% of them trucks, projected to reach 220 by 2040. The structure is 41 ft (12.5 m) long and 8 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SE Lake Dorothy RD over Slide Depression built?
It was built in 2011, making it 14 years old in 2025.
What condition is SE Lake Dorothy RD over Slide Depression 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 July 2024.
How much traffic does SE Lake Dorothy RD over Slide Depression carry?
About 99 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is SE Lake Dorothy RD over Slide Depression?
The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 8 ft wide.
Who owns SE Lake Dorothy RD over Slide Depression?
It is owned by the County Highway Agency.