Is 495 over Br Of Rock Creek
Fair Condition68 years old238,050 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.6 Mile East Of Md 355 |
| Carries | Is 495 |
| Crosses | Br Of Rock Creek |
| Coordinates | 39.01146, -77.09209 |
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 | 22.0 ft (6.7 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Area | 308.2 sq m |
| Year Built | 1958 (reconstructed 1964) |
Traffic
| Avg Daily Traffic | 238,050 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000150141030 |