US 401 over Lake Swamp
Good Condition7 years old3,200 vehicles/day
Location
| State | South Carolina |
| County | Darlington |
| Location | 3 Mi NE Of Lamar |
| Carries | US 401 |
| Crosses | Lake Swamp |
| Coordinates | 34.21883, -80.00963 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 149.9 ft (45.7 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 658.1 sq m |
| Main Spans | 5 |
| Year Built | 2019 |
Traffic
| Avg Daily Traffic | 3,200 (2023) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010298 |