S-21-596 over Br-big Swamp
Good Condition31 years old650 vehicles/day
Location
| State | South Carolina |
| County | Florence |
| Location | 3 Mi NW Salem |
| Carries | S-21-596 |
| Crosses | Br-big Swamp |
| Coordinates | 33.91852, -79.55521 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 74.1 ft (22.6 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 241.8 sq m |
| Main Spans | 3 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 650 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008847 |