Sc 512 over Mcnamee Swamp
GoodWilliamsburg County, South Carolina · 9.5 MI NE of Kingstree · Structure no. 000000000001656
- Built
- 1949
- 76 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 3 main spans
- Daily traffic
- 1,550
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 512 over Mcnamee Swamp is a concrete continuous culvert carrying Sc 512 over Mcnamee Swamp in Williamsburg County, South Carolina. It was built in 1949, so it is 76 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 1,550 vehicles a day, roughly 13% of them trucks, projected to reach 2,263 by 2043. The structure is 27 ft (8.2 m) long and 30 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sc 512 over Mcnamee Swamp built?
It was built in 1949, making it 76 years old in 2025.
What condition is Sc 512 over Mcnamee Swamp 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 October 2024.
How much traffic does Sc 512 over Mcnamee Swamp carry?
About 1,550 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Sc 512 over Mcnamee Swamp?
The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.
Who owns Sc 512 over Mcnamee Swamp?
It is owned by the State Highway Agency.