Johnson Drive over G1 Zone 7 Channel
Good Condition23 years old500 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 500 Ft S Of Stoneridge DR |
| Carries | Johnson Drive |
| Crosses | G1 Zone 7 Channel |
| Coordinates | 37.68937, -121.91437 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 143.6 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 500 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 33C0452 |