Sc 90 over Tilly Swamp
Good Condition52 years old16,500 vehicles/day
Location
| State | South Carolina |
| County | Horry |
| Location | 9.5mi E Of Conway |
| Carries | Sc 90 |
| Crosses | Tilly Swamp |
| Coordinates | 33.83316, -78.88564 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 101.0 ft (30.8 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 446.6 sq m |
| Main Spans | 4 |
| Year Built | 1974 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 16,500 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000006695 |