Twinbrook Parkway over Csxt Rr & Wmata Metro
Fair Condition62 years old41,919 vehicles/day
Location
| State | Maryland |
| County | Montgomery |
| Location | 0.24 Miles East Of Md 355 |
| Carries | Twinbrook Parkway |
| Crosses | Csxt Rr & Wmata Metro |
| Coordinates | 39.05928, -77.11748 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 165.0 ft (50.3 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 60.0 ft (18.3 m) |
| Deck Area | 920.5 sq m |
| Main Spans | 3 |
| Year Built | 1964 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 41,919 (2024) |
| Truck Traffic | 12% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 200000M-0154010 |