7th Ave SW over Clarks Creek
FairPierce County, Washington · 1.3 MI W SR 512 · Structure no. 085747000000000
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 6,433
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
7th Ave SW over Clarks Creek is a prestressed concrete tee beam carrying 7th Ave SW over Clarks Creek in Pierce 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 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 6,433 vehicles a day, roughly 5% of them trucks, projected to reach 17,067 by 2039. The structure is 63 ft (19.2 m) long and 56 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 7th Ave SW over Clarks Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is 7th Ave SW over Clarks Creek 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 7th Ave SW over Clarks Creek carry?
About 6,433 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is 7th Ave SW over Clarks Creek?
The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 56 ft wide.
Who owns 7th Ave SW over Clarks Creek?
It is owned by the City or Municipal Highway Agency.