Patterson Pass RD over Route 580
Fair Condition59 years old870 vehicles/day
Location
| State | California |
| County | San Joaquin |
| Location | 10-sj-580-13.54 |
| Carries | Patterson Pass RD |
| Crosses | Route 580 |
| Coordinates | 37.71946, -121.53572 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 238.8 ft (72.8 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 757.1 sq m |
| Main Spans | 4 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 870 (1998) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
| Lanes Under 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 | 29 0024 |