Black Rock Road over South Branch Gunpowder F
Good Condition25 years old228 vehicles/day
Location
| State | Maryland |
| County | Carroll |
| Location | 150 Ft N Of Traceys Mill |
| Carries | Black Rock Road |
| Crosses | South Branch Gunpowder F |
| Coordinates | 39.71178, -76.86256 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 30.2 ft (9.2 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Area | 61.6 sq m |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 228 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000CL0399030 |