SE 424th ST over Watercress Creek
GoodKing County, Washington · 0.6 MI W 284th Ave SE · Structure no. 088392000000000
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 140
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
SE 424th ST over Watercress Creek is a prestressed concrete slab carrying SE 424th ST over Watercress Creek 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 140 vehicles a day, roughly 1% of them trucks, projected to reach 170 by 2041. The structure is 31 ft (9.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 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 SE 424th ST over Watercress Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is SE 424th ST over Watercress 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 2023.
How much traffic does SE 424th ST over Watercress Creek carry?
About 140 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is SE 424th ST over Watercress Creek?
The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.
Who owns SE 424th ST over Watercress Creek?
It is owned by the County Highway Agency.