US 21 over Catawba River
Good Condition13 years old30,900 vehicles/day
Location
| State | South Carolina |
| County | York |
| Location | 4.1 Mi N Of Rock Hill |
| Carries | US 21 |
| Crosses | Catawba River |
| Coordinates | 34.98577, -80.97431 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 1000.0 ft (304.8 m) |
| Max Span | 125.0 ft (38.1 m) |
| Deck Width | 91.5 ft (27.9 m) |
| Deck Area | 8503.9 sq m |
| Main Spans | 8 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 30,900 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000001230 |