Lk Dorothy RD SE over Big Blowout Creek
GoodKing County, Washington · 9.1 MI N of I-90 · Structure no. 088795000000000
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 90 ft
- 1 main span
- Daily traffic
- 125
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Lk Dorothy RD SE over Big Blowout Creek is a prestressed concrete tee beam carrying Lk Dorothy RD SE over Big Blowout Creek in King County, Washington. It was built in 2015, so it is 10 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 125 vehicles a day, roughly 2% of them trucks, projected to reach 200 by 2040. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 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 Lk Dorothy RD SE over Big Blowout Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is Lk Dorothy RD SE over Big Blowout 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 July 2024.
How much traffic does Lk Dorothy RD SE over Big Blowout Creek carry?
About 125 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Lk Dorothy RD SE over Big Blowout Creek?
The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 27 ft wide.
Who owns Lk Dorothy RD SE over Big Blowout Creek?
It is owned by the County Highway Agency.