S-12-275 over Grassey Run Branch
GoodChester County, South Carolina · 0.5 MI N Chester · Structure no. 000000000000332
- Built
- 1929
- 96 years old, rebuilt 1957
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 4,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-12-275 over Grassey Run Branch is a concrete culvert carrying S-12-275 over Grassey Run Branch in Chester County, South Carolina. It was built in 1929 and reconstructed in 1957, so it is 96 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 4,400 vehicles a day, roughly 3% of them trucks, projected to reach 6,204 by 2025. The structure is 25 ft (7.6 m) long and 66 ft wide. 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-12-275 over Grassey Run Branch built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1957.
What condition is S-12-275 over Grassey Run Branch 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 February 2025.
How much traffic does S-12-275 over Grassey Run Branch carry?
About 4,400 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is S-12-275 over Grassey Run Branch?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 66 ft wide.
Who owns S-12-275 over Grassey Run Branch?
It is owned by the State Highway Agency.