S 317th ST over SB I-5 Ramp
GoodKing County, Washington · 2.0 N JCT SR 18 · Structure no. 0016757A0000000
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected February 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 128 ft
- 1 main span
- Daily traffic
- 6,850
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
S 317th ST over SB I-5 Ramp is a prestressed concrete box beam or girders - single or spread carrying S 317th ST over SB I-5 Ramp in King County, Washington. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 6,850 vehicles a day, roughly 5% of them trucks, projected to reach 10,585 by 2040. The structure is 128 ft (39 m) long and 49 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 | 7 Good | Some minor problems. |
| 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 317th ST over SB I-5 Ramp built?
It was built in 2006, making it 19 years old in 2025.
What condition is S 317th ST over SB I-5 Ramp 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 February 2024.
How much traffic does S 317th ST over SB I-5 Ramp carry?
About 6,850 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is S 317th ST over SB I-5 Ramp?
The structure is 128 ft (39 m) long with a longest span of 123 ft (37.5 m) and a deck 49 ft wide.
Who owns S 317th ST over SB I-5 Ramp?
It is owned by the State Highway Agency.