After conducting research, it appears that the boat ramp named Caney Creek Drive 401 in Polk County, Texas is a public boat ramp. It is approximately 14 feet wide and services Lake Livingston, a 83,000-acre reservoir on the Trinity River.

According to the Texas Parks and Wildlife Department, all types of boats are permitted on Lake Livingston, including motorboats, sailboats, kayaks, and canoes. However, there may be restrictions on certain areas of the lake depending on the type of watercraft. It is always recommended to check with local authorities for the most up-to-date information on boating regulations.

In terms of the location of the Caney Creek Drive 401 boat ramp, the coordinates provided (latitude: 30.79265404, longitude: -95.07099915) appear to be accurate according to Google Maps.