US 178 over Bull Swamp
PoorClosed to trafficOrangeburg County, South Carolina · 4MI E of North · Structure no. 000000000001112
- Built
- 1940
- 85 years old, rebuilt 1962
- Condition
- Poor
- inspected December 2024
- Type
- Tee Beam
- Concrete
- Length
- 110 ft
- 5 main spans
- Daily traffic
- 3,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 178 over Bull Swamp is a concrete tee beam carrying US 178 over Bull Swamp in Orangeburg County, South Carolina. It was built in 1940 and reconstructed in 1962, so it is 85 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. Its operating status is: closed to all traffic.
It carries about 3,600 vehicles a day, roughly 14% of them trucks, projected to reach 5,724 by 2043. The structure is 110 ft (33.5 m) long and 40 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 178 over Bull Swamp built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1962.
What condition is US 178 over Bull Swamp 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 December 2024.
How much traffic does US 178 over Bull Swamp carry?
About 3,600 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is US 178 over Bull Swamp?
The structure is 110 ft (33.5 m) long with a longest span of 22 ft (6.7 m) and a deck 40 ft wide.
Who owns US 178 over Bull Swamp?
It is owned by the State Highway Agency.