A La Center man has died following a two-vehicle collision on state Route 503 last week, according to the Washington State Patrol (WSP). John R. Jessup, 76, was pronounced dead in an updated WSP press memo Friday. PeaceHealth Southwest Medical Center has notified next of kin. According to WSP, Jessup was driving northbound on Route 503 at milepost 33 at about 6:30 p.m. June 22 when his 2015 BMW X5 SUV crossed the center line and struck a southbo…