S-21-46 over Lynches River
Good Condition49 years old1,350 vehicles/day
Location
| State | South Carolina |
| County | Florence |
| Location | 4.5 Mi E Cowards |
| Carries | S-21-46 |
| Crosses | Lynches River |
| Coordinates | 33.97518, -79.68224 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 430.1 ft (131.1 m) |
| Max Span | 63.0 ft (19.2 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 1324.1 sq m |
| Main Spans | 3 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 1,350 (2023) |
| Truck Traffic | 14% |
| 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 | 000000000006975 |