After conducting research, I was unable to find any information specifically related to a boat ramp named Navarro County in Texas. It is possible that the boat ramp may have a different name or may not exist at all.

However, there are several boat ramps located in Navarro County, Texas that service various bodies of water. For example, the Richland Creek Wildlife Management Area Boat Ramp services Richland Creek Reservoir and is open to all types of boats. The Oak Cove Marina & Resort Boat Ramp services Cedar Creek Lake and is open to all types of boats as well.

The width of each boat ramp may vary, but they are typically wide enough to accommodate launching and retrieving boats of various sizes. It is important to note that each boat ramp may have their own specific rules and regulations regarding boat sizes and types allowed on the water.

In order to ensure accuracy and obtain the most up-to-date information, it is recommended to visit the official website of the specific boat ramp or contact the managing authority directly.