320 ST E over South Creek
FairPierce County, Washington · 1.25 E JCT SR7 · Structure no. 080781000000000
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected August 2024
- Type
- Channel Beam
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 425
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
320 ST E over South Creek is a concrete channel beam carrying 320 ST E over South Creek in Pierce County, Washington. It was built in 1967, so it is 58 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 5 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 425 vehicles a day, roughly 5% of them trucks, projected to reach 700 by 2040. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 320 ST E over South Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is 320 ST E over South 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 August 2024.
How much traffic does 320 ST E over South Creek carry?
About 425 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is 320 ST E over South Creek?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.
Who owns 320 ST E over South Creek?
It is owned by the County Highway Agency.