Interstate 580 over Hillside
Fair Condition57 years old110,000 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 04-ala-580-r6.92 |
| Carries | Interstate 580 |
| Crosses | Hillside |
| Coordinates | 37.72169, -121.67689 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1442.9 ft (439.8 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 92.8 ft (28.3 m) |
| Deck Area | 12446.3 sq m |
| Main Spans | 18 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 110,000 (2020) |
| Truck Traffic | 11% |
| Lanes On Bridge | 5 |
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 | 33 0406 |