US 321 over North Edisto River
FairOrangeburg County, South Carolina · 1MI S of North · Structure no. 000000000001754
- Built
- 2007
- 18 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 630 ft
- 3 main spans
- Daily traffic
- 4,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 321 over North Edisto River is a prestressed concrete stringer/multi-beam or girder carrying US 321 over North Edisto River in Orangeburg County, South Carolina. It was built in 2007, so it is 18 years old, younger 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 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 8,004 by 2043. The structure is 630 ft (192 m) long and 75 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 321 over North Edisto River built?
It was built in 2007, making it 18 years old in 2025.
What condition is US 321 over North Edisto River 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 December 2023.
How much traffic does US 321 over North Edisto River carry?
About 4,600 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US 321 over North Edisto River?
The structure is 630 ft (192 m) long with a longest span of 60 ft (18.3 m) and a deck 75 ft wide.
Who owns US 321 over North Edisto River?
It is owned by the State Highway Agency.