S-46-31 over U.s. 21
Poor Condition61 years old4,000 vehicles/day
Location
| State | South Carolina |
| County | York |
| Location | 4.6 Mi SE Rock Hill |
| Carries | S-46-31 |
| Crosses | U.s. 21 |
| Coordinates | 34.89331, -80.95320 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 226.0 ft (68.9 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 675.2 sq m |
| Main Spans | 4 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 4,000 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004680 |