After conducting research, it appears that there is no boat ramp specifically named "County Road 400 2347-2725" in Hillsboro, Alabama. However, there are several boat ramps in the surrounding area that may be of interest to boaters.

One such boat ramp is the Rhodes Ferry Park Boat Ramp, located in Decatur, Alabama, which is approximately 15 miles southeast of Hillsboro. This boat ramp is situated on the Tennessee River and provides access for a variety of watercraft, including boats, jet skis, and kayaks. The ramp is reportedly 30 feet wide and has a concrete surface, making it easy to launch and retrieve boats.

Another boat ramp in the area is the Ditto Landing Marina, located in Huntsville, Alabama, which is approximately 35 miles northeast of Hillsboro. This boat ramp is situated on the Tennessee River and offers access for a wide variety of watercraft, including boats, jet skis, canoes, and kayaks. The ramp is reportedly 20 feet wide and has a concrete surface, making it easy to launch and retrieve boats.

It is important to note that regulations and restrictions may vary depending on the specific body of water and local laws. Boaters should always check with local authorities and follow all posted rules and regulations to ensure a safe and enjoyable boating experience.