State Route 4 over Maintenance Access
Fair Condition73 years old114,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-24.97-ant |
| Carries | State Route 4 |
| Crosses | Maintenance Access |
| Coordinates | 38.00891, -121.85589 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 36.4 ft (11.1 m) |
| Max Span | 36.4 ft (11.1 m) |
| Deck Width | 192.9 ft (58.8 m) |
| Deck Area | 652.7 sq m |
| Main Spans | 2 |
| Year Built | 1953 (reconstructed 2013) |
Traffic
| Avg Daily Traffic | 114,000 (2017) |
| Truck Traffic | 8% |
| Lanes On Bridge | 10 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0105 |