After conducting research, it appears that there is no boat ramp located at 25th Street Southeast in Kidder County, North Dakota. The latitude and longitude provided do not match any known boat ramp locations in the area.

It is possible that the information provided is outdated or inaccurate. Therefore, it is important to consult current and reliable sources when seeking information about boat ramps and other recreational facilities.

In general, boat ramps come in various sizes and are designed to accommodate different types of watercraft, from small fishing boats to larger vessels. The width of a boat ramp can also vary depending on its intended use and the size of the watercraft it serves.

Without more specific information about the supposed boat ramp at 25th Street Southeast in Kidder County, it is impossible to determine what kind of watercraft it may have been designed for or what body of water it may have serviced.