Sc 517 over Intracoastal Waterway
Fair Condition33 years old20,000 vehicles/day
Location
| State | South Carolina |
| County | Charleston |
| Location | 10.1 Mi NE Of Charleston |
| Carries | Sc 517 |
| Crosses | Intracoastal Waterway |
| Coordinates | 32.80305, -79.79772 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 11461.0 ft (3493.3 m) |
| Max Span | 134.8 ft (41.1 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 60783.4 sq m |
| Main Spans | 101 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 20,000 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008720 |