Interstate 880 over Patterson Slough
Poor Condition69 years old198,000 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 04-ala-880-11.80-fmt |
| Carries | Interstate 880 |
| Crosses | Patterson Slough |
| Coordinates | 37.58315, -122.04976 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 458.0 ft (139.6 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 148.0 ft (45.1 m) |
| Deck Area | 6296.0 sq m |
| Main Spans | 10 |
| Year Built | 1957 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 198,000 (2017) |
| Truck Traffic | 11% |
| Lanes On Bridge | 8 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 33 0250 |