Interstate 680 over South Main Street
Good Condition67 years old195,300 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-13.08-wlc |
| Carries | Interstate 680 |
| Crosses | South Main Street |
| Coordinates | 37.88601, -122.05524 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Box Beam - Multiple |
| Total Length | 141.1 ft (43 m) |
| Max Span | 88.6 ft (27 m) |
| Deck Width | 184.4 ft (56.2 m) |
| Deck Area | 2416.6 sq m |
| Main Spans | 1 |
| Year Built | 1959 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 195,300 (2020) |
| Truck Traffic | 6% |
| Lanes On Bridge | 11 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 722 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0167 |