Interstate 680 SB over Uprr Marina Vista Mococo
Fair Condition64 years old51,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-24.26 |
| Carries | Interstate 680 SB |
| Crosses | Uprr Marina Vista Mococo |
| Coordinates | 38.02468, -122.10995 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 1206.7 ft (367.8 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 96.1 ft (29.3 m) |
| Deck Area | 10776.5 sq m |
| Main Spans | 10 |
| Year Built | 1962 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 51,000 (2009) |
| Truck Traffic | 8% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0171L |