S-12-609 over I-77
Good Condition47 years old150 vehicles/day
Location
| State | South Carolina |
| County | Chester |
| Location | I-77 & 12-609 |
| Carries | S-12-609 |
| Crosses | I-77 |
| Coordinates | 34.81309, -81.03451 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 327.1 ft (99.7 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 37.4 ft (11.4 m) |
| Deck Area | 1136.6 sq m |
| Main Spans | 4 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 150 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007224 |