S-471/harley RD over Polk Swamp
Fair Condition49 years old400 vehicles/day
Location
| State | South Carolina |
| County | Dorchester |
| Location | 4.2 Mi W ST George |
| Carries | S-471/harley RD |
| Crosses | Polk Swamp |
| Coordinates | 33.20730, -80.63703 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 44.9 ft (13.7 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 138.4 sq m |
| Main Spans | 3 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 400 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006970 |