US 21 over Middle Pen Branch
Fair Condition60 years old16,900 vehicles/day
Location
| State | South Carolina |
| County | Orangeburg |
| Location | In City Of Orangeburg |
| Carries | US 21 |
| Crosses | Middle Pen Branch |
| Coordinates | 33.48722, -80.83062 |
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 | 32.2 ft (9.8 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 95.1 ft (29 m) |
| Deck Area | 284.2 sq m |
| Main Spans | 3 |
| Year Built | 1966 (reconstructed 1985) |
Traffic
| Avg Daily Traffic | 16,900 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004869 |