MP: 19.66 Location:  Marine View Dr S and Kent-Des Moines Rd, Des Moines Reassurance shield after the turn   MP: 20.39 Location: S 216th Pl and Des Moines Memorial Dr, Des Moines Bear left to head directly to Seatac, proceed straight for the town of Burien   MP: 20.43 Location: S 216th Pl and Des … Continue reading State Route 509, SR 516 to SR 518