SR 512 over 15th Ave SW
GoodPierce County, Washington · 1.1 E JCT SR 161 · Structure no. 0009619A0000000
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected April 2022
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 190 ft
- 3 main spans
- Daily traffic
- 42,930
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 512 over 15th Ave SW is a concrete continuous box beam or girders - multiple carrying SR 512 over 15th Ave SW in Pierce County, Washington. It was built in 1974, so it is 51 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 42,930 vehicles a day, roughly 9% of them trucks, projected to reach 67,291 by 2039. The structure is 190 ft (57.9 m) long and 52 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 512 over 15th Ave SW built?
It was built in 1974, making it 51 years old in 2025.
What condition is SR 512 over 15th Ave SW 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 April 2022.
How much traffic does SR 512 over 15th Ave SW carry?
About 42,930 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is SR 512 over 15th Ave SW?
The structure is 190 ft (57.9 m) long with a longest span of 80 ft (24.4 m) and a deck 52 ft wide.
Who owns SR 512 over 15th Ave SW?
It is owned by the State Highway Agency.