Cummings Skyway over State Route 4
Good Condition59 years old8,100 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r4.89 |
| Carries | Cummings Skyway |
| Crosses | State Route 4 |
| Coordinates | 38.01577, -122.19045 |
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 | 223.1 ft (68 m) |
| Max Span | 88.9 ft (27.1 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 639.2 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 8,100 (2018) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0213 |