N680-e580 Conn over E580&s680 Off San Ramon
Fair Condition25 years old158,000 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 04-ala-680-r20.01-ple |
| Carries | N680-e580 Conn |
| Crosses | E580&s680 Off San Ramon |
| Coordinates | 37.70055, -121.92065 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 1816.9 ft (553.8 m) |
| Max Span | 225.1 ft (68.6 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 7199.4 sq m |
| Main Spans | 10 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 158,000 (2009) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
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 | 33 0643G |