S-21-35 over Lake Swamp
Good Condition33 years old950 vehicles/day
Location
| State | South Carolina |
| County | Florence |
| Location | 6 Mi SE Timmonsville |
| Carries | S-21-35 |
| Crosses | Lake Swamp |
| Coordinates | 34.06759, -79.87339 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 388.0 sq m |
| Main Spans | 4 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 950 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008642 |