Interstate 280 over Alemany BLVD
Poor Condition60 years old132,000 vehicles/day
Location
| State | California |
| County | San Francisco |
| Location | 04-sf-280-r0.46-sf |
| Carries | Interstate 280 |
| Crosses | Alemany BLVD |
| Coordinates | 37.71032, -122.46113 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 371.1 ft (113.1 m) |
| Max Span | 108.9 ft (33.2 m) |
| Deck Width | 136.8 ft (41.7 m) |
| Deck Area | 4716.3 sq m |
| Main Spans | 4 |
| Year Built | 1966 (reconstructed 1972) |
Traffic
| Avg Daily Traffic | 132,000 (2019) |
| Truck Traffic | 2% |
| Lanes On Bridge | 8 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 34 0026 |