Logan Drive over Rock Run
Fair Condition54 years old1,657 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 1.0 Mile South Of Md 190 |
| Carries | Logan Drive |
| Crosses | Rock Run |
| Coordinates | 39.00782, -77.21209 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 11.2 ft (3.4 m) |
| Deck Area | 46.9 sq m |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 1,657 (2021) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000M-0391020 |