S-12-42 over Sandy River
PoorChester County, South Carolina · 7.2MI SW Chester · Structure no. 000000000005682
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected January 2025
- Type
- Slab
- Concrete
- Length
- 285 ft
- 19 main spans
- Daily traffic
- 50
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-12-42 over Sandy River is a concrete slab carrying S-12-42 over Sandy River in Chester County, South Carolina. It was built in 1970, so it is 55 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.
It carries about 50 vehicles a day, projected to reach 70 by 2043. The structure is 285 ft (86.9 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 S-12-42 over Sandy River built?
It was built in 1970, making it 55 years old in 2025.
What condition is S-12-42 over Sandy River 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 January 2025.
How much traffic does S-12-42 over Sandy River carry?
About 50 vehicles per day (2023 count).
How long is S-12-42 over Sandy River?
The structure is 285 ft (86.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-12-42 over Sandy River?
It is owned by the State Highway Agency.