The Walnut Grove Bascule bridge carries vehicular traffic across the San Joaquin River at the town of Walnut Grove.
Use NOAA Chart 18661.
The Walnut grove Bascule Bridge has a closed vertical clearance of 21 feet with 187 feet of horizontal clearance in the center span. Mid-channel depths in the center span are approximately 21 feet, and a strong current, like most river locations, is often present here.
The bridge schedule is currently under revision. Call the USCGs District 11 offices at 510-437-3073 for more details and opening times.