Md 547 over Rock Creek
Fair Condition94 years old10,982 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.66 Mile West Of Md 185 |
| Carries | Md 547 |
| Crosses | Rock Creek |
| Coordinates | 39.03174, -77.08737 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 52.2 ft (15.9 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 170.1 sq m |
| Main Spans | 1 |
| Year Built | 1932 |
Traffic
| Avg Daily Traffic | 10,982 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 100000150062010 |