Md 185 over Rock Creek
Fair Condition69 years old40,845 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.13 Mile North Of Is 495 |
| Carries | Md 185 |
| Crosses | Rock Creek |
| Coordinates | 39.00682, -77.07909 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 174.9 ft (53.3 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 100.1 ft (30.5 m) |
| Deck Area | 1625.7 sq m |
| Main Spans | 3 |
| Year Built | 1957 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 40,845 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000150030010 |