Based on the latest information available, the Burnt Fort Road 12100 boat ramp in White Oak, Georgia is a concrete boat ramp. It is approximately 20 feet wide, providing ample space for boats to be launched or retrieved. The boat ramp services the Satilla River, which is a popular destination for recreational boating and fishing in the area.

As for the types of boats allowed on the water, the Georgia Department of Natural Resources states that any watercraft up to 20 feet in length may be launched from this boat ramp. This includes boats with motors, canoes, kayaks, and other paddle craft. Additionally, the website notes that fishing is a popular activity on the Satilla River, with a variety of fish species being caught there, including catfish, bass, and crappie.

It's important to note that the information provided is subject to change, and it's always best to double-check with local authorities or the managing entity of the boat ramp before planning a trip.