Johnson Road over California Aqueduct
Poor Condition55 years old1,835 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 1.2 Mi S Of Palmdale RD |
| Carries | Johnson Road |
| Crosses | California Aqueduct |
| Coordinates | 34.48806, -117.55518 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 107.0 ft (32.6 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 322.7 sq m |
| Main Spans | 1 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 1,835 (2017) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | Other Local Agencies |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54C0498 |