Clara Barton PKWY over Rock Run
Fair Condition63 years old13,090 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | W Of Interchange |
| Carries | Clara Barton PKWY |
| Crosses | Rock Run |
| Coordinates | 38.97126, -77.15690 |
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 | 509.8 ft (155.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 1895.9 sq m |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 13,090 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000150102020 |