Sc 171 over Wappoo Creek
Fair Condition70 years old45,400 vehicles/day
Location
| State | South Carolina |
| County | Charleston |
| Location | 1 Mi S Of US 17 James Isl |
| Carries | Sc 171 |
| Crosses | Wappoo Creek |
| Coordinates | 32.76637, -79.97409 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 761.8 ft (232.2 m) |
| Max Span | 152.6 ft (46.5 m) |
| Deck Width | 57.4 ft (17.5 m) |
| Deck Area | 4063.5 sq m |
| Main Spans | 1 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 45,400 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002303 |