Based on the available information, the boat ramp named Struble Lake is located in Pennsylvania at latitude 40.11508942 and longitude -75.85916138. It is a public boat ramp that provides access to Struble Lake, a 386-acre lake located in Chester County, Pennsylvania.

The width of the boat ramp is not specified in the available information. However, it is likely that the width is suitable for launching and retrieving boats of various sizes.

According to the Pennsylvania Fish and Boat Commission, Struble Lake allows for electric motors and non-powered boats like canoes, kayaks, and rowboats. Gasoline-powered boats are prohibited on the lake. Additionally, the commission states that the lake is stocked with a variety of fish, including bass, catfish, and sunfish, among others.

It is important to note that the information provided may be subject to change, and it is recommended to double-check with local authorities for the latest information on the boat ramp and the body of water it services.