According to the latest information available, the Smith Lake - Carry-In Access boat ramp is a carry-in access point located at Kettle Moraine Drive in Wisconsin. This means that it is a non-motorized boat ramp where boaters have to manually carry their vessels to and from the water.

The ramp itself is not specified to a particular width, but it is designed to accommodate small boats and canoes. It is important to note that motorized boats are not permitted on Smith Lake, as it is a non-motorized lake, so the ramp is not designed to accommodate larger boats.

Smith Lake is a small lake located in the Kettle Moraine State Forest in Wisconsin. It is primarily used for fishing and non-motorized water activities such as kayaking and canoeing. However, the lake has a maximum depth of only 12 feet, so it may not be suitable for larger watercraft.

Overall, the Smith Lake - Carry-In Access boat ramp is a small, non-motorized ramp designed for small boats and canoes, located on a non-motorized lake in the Kettle Moraine State Forest in Wisconsin.