According to the latest information available, the Blackman Street boat ramp in Clinton, Indiana is a concrete boat ramp that is approximately 20 feet wide. The ramp provides access to the Wabash River, which is the body of water it services.

The Blackman Street boat ramp is primarily designed for small boats and canoes, although larger boats may also be launched from the ramp. However, due to the shallow nature of the Wabash River in this area, it is recommended that boats with a draft of less than 2 feet be used to avoid running aground.

Overall, the Blackman Street boat ramp is a popular destination for local boaters and fishermen looking to access the Wabash River. It is situated in a scenic area of Indiana and provides easy access to a variety of recreational opportunities on the water.