S 373rd ST over Hylebos Creek
GoodKing County, Washington · 0.25 MI E of SR-99 · Structure no. 088227000000000
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected August 2024
- Type
- Frame
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 900
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
S 373rd ST over Hylebos Creek is a prestressed concrete frame carrying S 373rd ST over Hylebos Creek in King County, Washington. It was built in 2007, so it is 18 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 900 vehicles a day, roughly 4% of them trucks, projected to reach 1,050 by 2039. The structure is 35 ft (10.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 S 373rd ST over Hylebos Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is S 373rd ST over Hylebos 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 August 2024.
How much traffic does S 373rd ST over Hylebos Creek carry?
About 900 vehicles per day (2018 count), of which roughly 4% are trucks.
How long is S 373rd ST over Hylebos Creek?
The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.
Who owns S 373rd ST over Hylebos Creek?
It is owned by the City or Municipal Highway Agency.