According to the Missouri Department of Conservation, the boat ramp named State Highway U Monroe County is a concrete ramp located on the Salt River. It is approximately 16 feet wide and can accommodate small to medium-sized watercraft such as motorboats, fishing boats, and canoes.

The Salt River is a popular destination for fishing and boating enthusiasts in the area, offering opportunities to catch a variety of fish species including catfish, bass, and crappie. The latest information available indicates that the Salt River is currently open for recreational use, subject to any applicable regulations or restrictions.

Overall, the State Highway U boat ramp in Monroe County appears to be a convenient and well-maintained access point for watercraft enthusiasts looking to enjoy the scenic and diverse waterways of Missouri.