US 321 over Allison Creek
GoodYork County, South Carolina · 6 MI N of York · Structure no. 000000000010445
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 163 ft
- 1 main span
- Daily traffic
- 7,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 321 over Allison Creek is a steel stringer/multi-beam or girder carrying US 321 over Allison Creek in York County, South Carolina. It was built in 2021, so it is 4 years old, younger than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,000 vehicles a day, roughly 8% of them trucks, projected to reach 11,130 by 2043. The structure is 163 ft (49.7 m) long and 65 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 321 over Allison Creek built?
It was built in 2021, making it 4 years old in 2025.
What condition is US 321 over Allison Creek 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 2023.
How much traffic does US 321 over Allison Creek carry?
About 7,000 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 321 over Allison Creek?
The structure is 163 ft (49.7 m) long with a longest span of 163 ft (49.7 m) and a deck 65 ft wide.
Who owns US 321 over Allison Creek?
It is owned by the State Highway Agency.