SW Grady Way over Springbrook Creek
FairKing County, Washington · 0.7 MI E of SR-181 · Structure no. 085423000000000
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected June 2023
- Type
- Culvert
- Concrete
- Length
- 61 ft
- 5 main spans
- Daily traffic
- 28,000
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
SW Grady Way over Springbrook Creek is a concrete culvert carrying SW Grady Way over Springbrook Creek in King County, Washington. It was built in 1987, so it is 38 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 28,000 vehicles a day, roughly 14% of them trucks, projected to reach 40,500 by 2043. The structure is 61 ft (18.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SW Grady Way over Springbrook Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is SW Grady Way over Springbrook Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.
How much traffic does SW Grady Way over Springbrook Creek carry?
About 28,000 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is SW Grady Way over Springbrook Creek?
The structure is 61 ft (18.6 m) long with a longest span of 11 ft (3.4 m).
Who owns SW Grady Way over Springbrook Creek?
It is owned by the City or Municipal Highway Agency.