I-77 SB over Sc 48
Good Condition43 years old42,500 vehicles/day
Location
| State | South Carolina |
| County | Richland |
| Location | 4 Mi S Columbia |
| Carries | I-77 SB |
| Crosses | Sc 48 |
| Coordinates | 33.95065, -80.99031 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 240.2 ft (73.2 m) |
| Max Span | 120.1 ft (36.6 m) |
| Deck Width | 67.3 ft (20.5 m) |
| Deck Area | 1500.6 sq m |
| Main Spans | 2 |
| Year Built | 1983 (reconstructed 1987) |
Traffic
| Avg Daily Traffic | 42,500 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007732 |