Interstate 580 WB over Hillside
Fair Condition41 years old34,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-580-r5.60-rch |
| Carries | Interstate 580 WB |
| Crosses | Hillside |
| Coordinates | 37.93233, -122.39369 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 259.8 ft (79.2 m) |
| Max Span | 30.2 ft (9.2 m) |
| Deck Width | 7.9 ft (2.4 m) |
| Deck Area | 190.1 sq m |
| Main Spans | 9 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 34,000 (2009) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0293R |