US 521 over Hannahs Creek
GoodLancaster County, South Carolina · 1.5 MI E of Lancaster · Structure no. 000000000004580
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 27,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 521 over Hannahs Creek is a concrete culvert carrying US 521 over Hannahs Creek in Lancaster County, South Carolina. It was built in 1965, so it is 60 years old, older 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 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 27,400 vehicles a day, roughly 10% of them trucks, projected to reach 42,744 by 2043. The structure is 34 ft (10.4 m) long. 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 521 over Hannahs Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is US 521 over Hannahs 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 September 2024.
How much traffic does US 521 over Hannahs Creek carry?
About 27,400 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is US 521 over Hannahs Creek?
The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).
Who owns US 521 over Hannahs Creek?
It is owned by the State Highway Agency.