The roof is gone but the bars are still in place. The only thing they imprison now is the wild growth of plants.
This sits out in the country all by itself beside a county road less than a mile from the Mississippi River. It is about 20 miles south of St. Louis Missouri. I have been told by locals that it was built before the civil war and was used mainly to imprison slaves who were waiting to be sold and moved up or down the Mississippi River.