S-21-55 over Lynches River Swamp
Good Condition44 years old950 vehicles/day
Location
| State | South Carolina |
| County | Florence |
| Location | 4 Mi NW Coward |
| Carries | S-21-55 |
| Crosses | Lynches River Swamp |
| Coordinates | 34.00351, -79.81178 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 270.0 ft (82.3 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 888.8 sq m |
| Main Spans | 9 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 950 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007562 |