Interstate 680 SB over State Route 237 (future)
Good Condition55 years old61,000 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 04-ala-680-m0.06-fmt |
| Carries | Interstate 680 SB |
| Crosses | State Route 237 (future) |
| Coordinates | 37.46532, -121.90481 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 252.0 ft (76.8 m) |
| Max Span | 107.0 ft (32.6 m) |
| Deck Width | 71.5 ft (21.8 m) |
| Deck Area | 1674.2 sq m |
| Main Spans | 3 |
| Year Built | 1971 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 61,000 (2018) |
| Lanes On Bridge | 4 |
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 | 33 0423L |