Sc 642 over Dorchester Creek
FairDorchester County, South Carolina · 4.8MI S Sumrvl · Structure no. 000000000002329
- Built
- 1956
- 69 years old, rebuilt 2010
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 51 ft
- 4 main spans
- Daily traffic
- 37,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 642 over Dorchester Creek is a concrete culvert carrying Sc 642 over Dorchester Creek in Dorchester County, South Carolina. It was built in 1956 and reconstructed in 2010, so it is 69 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 37,200 vehicles a day, roughly 5% of them trucks, projected to reach 53,196 by 2043. The structure is 51 ft (15.4 m) long and 88 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sc 642 over Dorchester Creek built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2010.
What condition is Sc 642 over Dorchester Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does Sc 642 over Dorchester Creek carry?
About 37,200 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Sc 642 over Dorchester Creek?
The structure is 51 ft (15.4 m) long with a longest span of 10 ft (3 m) and a deck 88 ft wide.
Who owns Sc 642 over Dorchester Creek?
It is owned by the State Highway Agency.