State Route 242 over Clayton Road-s242 On Rmp
Fair Condition40 years old80,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-242-r0.78-cnd |
| Carries | State Route 242 |
| Crosses | Clayton Road-s242 On Rmp |
| Coordinates | 37.96953, -122.04784 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 166.0 ft (50.6 m) |
| Max Span | 97.1 ft (29.6 m) |
| Deck Width | 113.5 ft (34.6 m) |
| Deck Area | 1750.8 sq m |
| Main Spans | 2 |
| Year Built | 1986 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 80,000 (2009) |
| Truck Traffic | 5% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 122 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0289 |