Willowdale Drive over Rock Creek
Fair Condition50 years old11,232 vehicles/day
Location
| State | Maryland |
| County | Frederick |
| Location | 0.4 Mi North Of US 40 |
| Carries | Willowdale Drive |
| Crosses | Rock Creek |
| Coordinates | 39.42343, -77.44821 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Aluminum/Wrought Iron/Cast Iron |
| Design | Culvert |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 13.1 ft (4 m) |
| Deck Area | 111.0 sq m |
| Main Spans | 2 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 11,232 (2019) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000F-F-19030 |