I-77 over Catawba River
Fair Condition53 years old124,700 vehicles/day
Location
| State | South Carolina |
| County | York |
| Location | 5.3 Mi N Rock Hill |
| Carries | I-77 |
| Crosses | Catawba River |
| Coordinates | 34.98750, -80.98306 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1075.1 ft (327.7 m) |
| Max Span | 129.9 ft (39.6 m) |
| Deck Width | 144.4 ft (44 m) |
| Deck Area | 14418.8 sq m |
| Main Spans | 10 |
| Year Built | 1973 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 124,700 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 9 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006395 |