NB And SB RTE 280 over Lyell Street
Poor Condition62 years old170,000 vehicles/day
Location
| State | California |
| County | San Francisco |
| Location | 04-sf-280-r2.91-sf |
| Carries | NB And SB RTE 280 |
| Crosses | Lyell Street |
| Coordinates | 37.73197, -122.43209 |
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 | 179.5 ft (54.7 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 144.0 ft (43.9 m) |
| Deck Area | 2401.3 sq m |
| Main Spans | 3 |
| Year Built | 1964 (reconstructed 1972) |
Traffic
| Avg Daily Traffic | 170,000 (2019) |
| Truck Traffic | 1% |
| Lanes On Bridge | 9 |
| Lanes Under Bridge | 2 |
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 0089 |