Jefferson Drive N over 12th Street Expressway
Fair Condition62 years old27,000 vehicles/day
Location
| State | District of Columbia |
| County | District of Columbia |
| Location | The National Mall |
| Carries | Jefferson Drive N |
| Crosses | 12th Street Expressway |
| Coordinates | 38.88866, -77.02821 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 339.3 sq m |
| Main Spans | 1 |
| Year Built | 1964 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 27,000 (2018) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0172-1 |