I-580 W On Ramp over Central AVE
Good Condition35 years old4,400 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-580-0.25-rch |
| Carries | I-580 W On Ramp |
| Crosses | Central AVE |
| Coordinates | 37.90024, -122.31384 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 337.9 ft (103 m) |
| Max Span | 85.0 ft (25.9 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 854.9 sq m |
| Main Spans | 4 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 4,400 (2011) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0231S |