SR 164 over R ST
GoodKing County, Washington · 1.2 E JCT SR 18 · Structure no. 000000OT0000000
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 161 ft
- 1 main span
- Daily traffic
- 34,579
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 164 over R ST is a prestressed concrete box beam or girders - multiple carrying SR 164 over R ST in King County, Washington. It was built in 1970, so it is 55 years old, older 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 34,579 vehicles a day, roughly 4% of them trucks, projected to reach 46,425 by 2039. The structure is 161 ft (49.1 m) long and 60 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 SR 164 over R ST built?
It was built in 1970, making it 55 years old in 2025.
What condition is SR 164 over R ST 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 June 2024.
How much traffic does SR 164 over R ST carry?
About 34,579 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is SR 164 over R ST?
The structure is 161 ft (49.1 m) long with a longest span of 158 ft (48.3 m) and a deck 60 ft wide.
Who owns SR 164 over R ST?
It is owned by the State Highway Agency.