Based on the latest information available, the boat ramp named West 55th Street South 1378 in Wichita, Kansas is a public boat ramp located on the Arkansas River. It is approximately 25 feet wide and has a concrete surface that extends into the water, allowing for easy launching and retrieving of boats.

The ramp is designed primarily for small to medium-sized boats such as canoes, kayaks, and motorboats. According to the Kansas Department of Wildlife, Parks, and Tourism, the Arkansas River is suitable for a wide range of watercraft, including fishing boats, personal watercraft, and sailboats. However, larger boats may have difficulty navigating the river due to shallow areas and low-hanging bridges.

In terms of service area, the West 55th Street South boat ramp provides access to the Arkansas River within the city limits of Wichita. The river flows through several counties in Kansas and serves as a popular destination for boating, fishing, and other recreational activities.

Overall, the West 55th Street South boat ramp appears to be a well-maintained public facility that provides convenient access to the Arkansas River for a variety of watercraft.