320 ST E over South Creek
FairPierce County, Washington · .47 E JCT SR7 · Structure no. 081441000000000
- Built
- 1934
- 91 years old, rebuilt 1953
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 59 ft
- 2 main spans
- Daily traffic
- 600
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
320 ST E over South Creek is a wood or timber stringer/multi-beam or girder carrying 320 ST E over South Creek in Pierce County, Washington. It was built in 1934 and reconstructed in 1953, so it is 91 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 990 by 2041. The structure is 59 ft (18 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 320 ST E over South Creek built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1953.
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 September 2024.
How much traffic does 320 ST E over South Creek carry?
About 600 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 320 ST E over South Creek?
The structure is 59 ft (18 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.
Who owns 320 ST E over South Creek?
It is owned by the County Highway Agency.