Merge Onto I-75 N/I-85 N, Then Onto I-75 N. Take Exit 259 A Onto I-285 E. Exit At 24 For Riverside Dr, Then Continue On Riverside Dr. Turn Left Onto Johnson Ferry Rd, Left Onto Columns Dr Se, And Right Onto Riverlook Pkwy Se. Destination: 4140 Riverlook Pkwy Se, Marietta, Ga 30067.