SR 161 over SR 512 N-W Ramp
GoodPierce County, Washington · 25.8 N JCT SR 7 · Structure no. 0009010A0000000
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 278 ft
- 4 main spans
- Daily traffic
- 26,878
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 161 over SR 512 N-W Ramp is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 161 over SR 512 N-W Ramp in Pierce County, Washington. It was built in 1971, so it is 54 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 26,878 vehicles a day, roughly 4% of them trucks, projected to reach 45,480 by 2039. The structure is 278 ft (84.7 m) long and 42 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 161 over SR 512 N-W Ramp built?
It was built in 1971, making it 54 years old in 2025.
What condition is SR 161 over SR 512 N-W 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 June 2024.
How much traffic does SR 161 over SR 512 N-W Ramp carry?
About 26,878 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is SR 161 over SR 512 N-W Ramp?
The structure is 278 ft (84.7 m) long with a longest span of 90 ft (27.4 m) and a deck 42 ft wide.
Who owns SR 161 over SR 512 N-W Ramp?
It is owned by the State Highway Agency.