State Route 24 over El Nido Ranch RD Aqueduc
Fair Condition57 years old79,500 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-024-r4.90-lfyt |
| Carries | State Route 24 |
| Crosses | El Nido Ranch RD Aqueduc |
| Coordinates | 37.89137, -122.14608 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 568.2 ft (173.2 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 67.9 ft (20.7 m) |
| Deck Area | 3585.2 sq m |
| Main Spans | 9 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 79,500 (2019) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0137L |