US 401 over Newman Swamp
FairDarlington County, South Carolina · 1MI NE of Lamar · Structure no. 000000000000782
- Built
- 1937
- 88 years old, rebuilt 1972
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 101 ft
- 4 main spans
- Daily traffic
- 3,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 401 over Newman Swamp is a steel continuous stringer/multi-beam or girder carrying US 401 over Newman Swamp in Darlington County, South Carolina. It was built in 1937 and reconstructed in 1972, so it is 88 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 3,200 vehicles a day, roughly 7% of them trucks, projected to reach 5,088 by 2043. The structure is 101 ft (30.8 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 US 401 over Newman Swamp built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1972.
What condition is US 401 over Newman Swamp 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 January 2025.
How much traffic does US 401 over Newman Swamp carry?
About 3,200 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US 401 over Newman Swamp?
The structure is 101 ft (30.8 m) long with a longest span of 26 ft (7.8 m) and a deck 48 ft wide.
Who owns US 401 over Newman Swamp?
It is owned by the State Highway Agency.