US 21 over Stream
Fair Condition79 years old21,000 vehicles/day
Location
| State | South Carolina |
| County | York |
| Location | City Of Rock Hill |
| Carries | US 21 |
| Crosses | Stream |
| Coordinates | 34.93790, -80.99707 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 100.1 ft (30.5 m) |
| Deck Area | 213.5 sq m |
| Main Spans | 2 |
| Year Built | 1947 (reconstructed 1974) |
Traffic
| Avg Daily Traffic | 21,000 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000001409 |