Sc 421 over Little Horse Creek
PoorPosted for loadAiken County, South Carolina · 1 MI E of Clearwater · Structure no. 000000000002447
- Built
- 1926
- 99 years old, rebuilt 1972
- Condition
- Poor
- inspected February 2025
- Type
- Tee Beam
- Concrete
- Length
- 65 ft
- 2 main spans
- Daily traffic
- 9,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 421 over Little Horse Creek is a concrete tee beam carrying Sc 421 over Little Horse Creek in Aiken County, South Carolina. It was built in 1926 and reconstructed in 1972, so it is 99 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 9,000 vehicles a day, roughly 4% of them trucks, projected to reach 9,270 by 2043. The structure is 65 ft (19.8 m) long and 58 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sc 421 over Little Horse Creek built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1972.
What condition is Sc 421 over Little Horse Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.
How much traffic does Sc 421 over Little Horse Creek carry?
About 9,000 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Sc 421 over Little Horse Creek?
The structure is 65 ft (19.8 m) long with a longest span of 32 ft (9.9 m) and a deck 58 ft wide.
Who owns Sc 421 over Little Horse Creek?
It is owned by the State Highway Agency.