Sc 12 over Congaree River
PoorLexington County, South Carolina · 1MI W of Columbia · Structure no. 000000000006898
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,370 ft
- 13 main spans
- Daily traffic
- 24,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 12 over Congaree River is a steel continuous stringer/multi-beam or girder carrying Sc 12 over Congaree River in Lexington County, South Carolina. It was built in 1976, so it is 49 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 24,500 vehicles a day, roughly 4% of them trucks, projected to reach 57,575 by 2043. The structure is 2,370 ft (722.4 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sc 12 over Congaree River built?
It was built in 1976, making it 49 years old in 2025.
What condition is Sc 12 over Congaree 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 November 2024.
How much traffic does Sc 12 over Congaree River carry?
About 24,500 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Sc 12 over Congaree River?
The structure is 2,370 ft (722.4 m) long with a longest span of 140 ft (42.7 m) and a deck 79 ft wide.
Who owns Sc 12 over Congaree River?
It is owned by the State Highway Agency.