Marriottsville RD over Piney Run
Fair Condition49 years old12,255 vehicles/day
Location
| State | Maryland |
| County | Carroll |
| Location | 0.13 Mi N Howard Co Line |
| Carries | Marriottsville RD |
| Crosses | Piney Run |
| Coordinates | 39.35331, -76.89708 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 279.6 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 12,255 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000CL0333010 |