Md 390 over Csx Transportation
Good Condition68 years old35,062 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.45 Mi N Of Md 410 |
| Carries | Md 390 |
| Crosses | Csx Transportation |
| Coordinates | 38.99935, -77.03976 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 195.9 ft (59.7 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 96.8 ft (29.5 m) |
| Deck Area | 1761.2 sq m |
| Main Spans | 3 |
| Year Built | 1958 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 35,062 (2009) |
| Truck Traffic | 4% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000150089010 |