State Route 242 over Concord Avenue
Poor Condition63 years old100,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-242-r1.47-cnd |
| Carries | State Route 242 |
| Crosses | Concord Avenue |
| Coordinates | 37.97878, -122.04327 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 158.1 ft (48.2 m) |
| Max Span | 84.0 ft (25.6 m) |
| Deck Width | 112.9 ft (34.4 m) |
| Deck Area | 1658.1 sq m |
| Main Spans | 3 |
| Year Built | 1963 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 100,000 (2009) |
| Truck Traffic | 5% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 8 |
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 0185 |