I-55 to exit 129. Head north off the exit on MO-51 N towards Perryville for 1.3 miles and then make a right onto W St. Joseph St. Drive for .6 miles to a left onto Waters St. Follow Waters for .4 miles and then make a right onto Northdale Dr. Parking lot will be on the left in .2 miles just before the Old St Marys Rd. intersection.