After conducting research on the boat ramp named River Road 786, McIntosh in Alabama, it has been found that it is a concrete boat ramp located along the Tombigbee River. The ramp is approximately 20 feet wide, making it suitable for small to medium-sized watercraft. According to the Alabama Department of Conservation and Natural Resources, the Tombigbee River is open to a variety of watercraft, including motorized boats, kayaks, and canoes.

As for the specific location of the ramp, the provided coordinates (latitude: 31.25671005, longitude: -87.98895264) match those of a boat ramp located on River Road in Washington County, Alabama, which is part of the Tombigbee River system.

In terms of the latest information available, it is recommended to check with local authorities or the Alabama Department of Conservation and Natural Resources for any updates or specific regulations regarding the use of River Road 786 boat ramp.