S-W Ramp over Southcenter Blvd
FairKing County, Washington · 5.2 N JCT SR 516 · Structure no. 0007442C0000000
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 80 ft
- 1 main span
- Daily traffic
- 14,215
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
S-W Ramp over Southcenter Blvd is a prestressed concrete stringer/multi-beam or girder carrying S-W Ramp over Southcenter Blvd in King County, Washington. It was built in 1965, so it is 60 years old, older 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 14,215 vehicles a day, roughly 5% of them trucks, projected to reach 21,610 by 2039. The structure is 80 ft (24.4 m) long and 27 ft wide. 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-W Ramp over Southcenter Blvd built?
It was built in 1965, making it 60 years old in 2025.
What condition is S-W Ramp over Southcenter Blvd 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 July 2023.
How much traffic does S-W Ramp over Southcenter Blvd carry?
About 14,215 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is S-W Ramp over Southcenter Blvd?
The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 27 ft wide.
Who owns S-W Ramp over Southcenter Blvd?
It is owned by the State Highway Agency.