N242-w4 Connector over State Routes 4 & 242
Poor Condition48 years old8,300 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-242-r3.24-cnd |
| Carries | N242-w4 Connector |
| Crosses | State Routes 4 & 242 |
| Coordinates | 38.00390, -122.03654 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 1419.0 ft (432.5 m) |
| Max Span | 181.1 ft (55.2 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 3892.5 sq m |
| Main Spans | 9 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 8,300 (2012) |
| Truck Traffic | 7% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 18 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0249G |