Based on the latest information available, the boat ramp named Beckman Lake is located in Cadiz Springs State Park in Wisconsin. It is a concrete boat ramp that provides access to Beckman Lake. The ramp is reported to be 16 feet wide, which is wide enough to accommodate most watercraft.

Beckman Lake is a small lake, approximately 20 acres in size, making it suitable for small watercraft only. According to the Wisconsin Department of Natural Resources, the lake is designated as an electric motor only lake, which means that only boats with electric motors are permitted on the water. This designation helps to keep the lake peaceful and quiet, and protects the sensitive habitat that surrounds it.

In summary, the Beckman Lake boat ramp is a concrete ramp that provides access to a small, electric motor only lake in Cadiz Springs State Park in Wisconsin. The ramp is 16 feet wide, which should be sufficient for most watercraft.