Based on the latest information available, the boat ramp named Northpoint Drive 1235 is located in San Francisco, California, at latitude 37.83204651 and longitude -122.37330627. This boat ramp is a concrete ramp that is accessible to the public, providing easy access to the water.

The width of the ramp is not specified in available information, but it is designed to accommodate a variety of watercraft, including small to medium-sized boats and personal watercraft. The body of water that this boat ramp services is San Francisco Bay, which offers a variety of recreational opportunities for boaters, fishermen, and other water enthusiasts.

According to the California Department of Parks and Recreation, there are some restrictions on the types of watercraft that are permitted on San Francisco Bay, including restrictions on the use of personal watercraft in certain areas. Additionally, there may be specific regulations or restrictions in place for the use of this particular boat ramp, depending on local ordinances or regulations.

Overall, the Northpoint Drive 1235 boat ramp offers convenient access to San Francisco Bay for a variety of watercraft, and boaters should consult with local authorities to ensure that they are complying with all applicable regulations and restrictions.