Based on the information available, the Sheridan Twp Boat Ramp in Michigan is a concrete boat ramp that provides water access to a body of water that is currently unclear. However, the closest water body to its location is the Hardy Dam Pond, which is a popular spot for boating and fishing in the area.

The width of the boat ramp is not specified in the available information. However, it is safe to assume that it is wide enough to accommodate various types of watercraft. The Sheridan Twp Boat Ramp is open to the public and does not require a fee for its use.

As for the type of watercraft permitted on the water, it is likely that motorized and non-motorized boats are allowed. However, it is essential to check the local regulations and restrictions before launching any watercraft.

It is worth noting that the accuracy of the information provided may vary depending on the source. Therefore, it is recommended to verify the latest information available with the local authorities or reliable sources before planning any boating activities.