Crystal Rock Drive over Little Seneca Creek Trib
Fair Condition38 years old7,114 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.6 Miles North Of Md 27 |
| Carries | Crystal Rock Drive |
| Crosses | Little Seneca Creek Trib |
| Coordinates | 39.20006, -77.27637 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 32.5 ft (9.9 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 144.5 sq m |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 7,114 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000M-0365030 |