240th Ave SE over 15 Mile Creek
GoodKing County, Washington · 0.2 MI N Tiger Mt. RD · Structure no. 088567000000000
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 66 ft
- 1 main span
- Daily traffic
- 110
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
240th Ave SE over 15 Mile Creek is a prestressed concrete slab carrying 240th Ave SE over 15 Mile Creek in King County, Washington. It was built in 2013, so it is 12 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 310 by 2043. The structure is 66 ft (20.1 m) long and 28 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 240th Ave SE over 15 Mile Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is 240th Ave SE over 15 Mile 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 September 2023.
How much traffic does 240th Ave SE over 15 Mile Creek carry?
About 110 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is 240th Ave SE over 15 Mile Creek?
The structure is 66 ft (20.1 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.
Who owns 240th Ave SE over 15 Mile Creek?
It is owned by the County Highway Agency.