After conducting some research, I was unable to find any specific information about a boat ramp named 9th Street Northeast Foster County in North Dakota. It is possible that this boat ramp does not exist or may be a local name for a less well-known ramp.

However, I can provide general information about boat ramps in North Dakota. Typically, boat ramps are constructed of concrete, asphalt, or gravel, and are designed to allow boats to be launched or loaded into a body of water. The width of a boat ramp can vary, but typically ranges from 8 to 16 feet.

In North Dakota, there are numerous bodies of water that offer boating opportunities, including lakes, rivers, and reservoirs. Some of the more popular destinations for boaters include Lake Sakakawea, Devils Lake, and the Missouri River.

The types of watercraft permitted on North Dakota waterways can vary depending on the specific body of water and any regulations in place. Generally, motorized boats, canoes, kayaks, and paddleboards are allowed on North Dakota waters. However, some lakes and rivers may have restrictions on the size or type of boat that is allowed.

It is important to note that regulations can change over time, so it is important to consult with local authorities or check the latest information available to verify accuracy.