S-12-497 over I-77
Fair Condition47 years old600 vehicles/day
Location
| State | South Carolina |
| County | Chester |
| Location | 1.5 Mi S Richburg |
| Carries | S-12-497 |
| Crosses | I-77 |
| Coordinates | 34.69664, -81.02969 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 310.0 ft (94.5 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 37.4 ft (11.4 m) |
| Deck Area | 1077.3 sq m |
| Main Spans | 4 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 600 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007223 |