S-18-180 over Polk Swamp
Good Condition69 years old175 vehicles/day
Location
| State | South Carolina |
| County | Dorchester |
| Location | 2 Mi S ST George |
| Carries | S-18-180 |
| Crosses | Polk Swamp |
| Coordinates | 33.15514, -80.58478 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 105.0 ft (32 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 272 sq m |
| Main Spans | 7 |
| Year Built | 1957 (reconstructed 2010) |
Traffic
| Avg Daily Traffic | 175 (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 | 000000000001701 |