(Campbellsport) A Campbellsport man was seriously injured in a single vehicle rollover accident Tuesday afternoon in the Fond du Lac County Town of Osceola. Timothy Condon was traveling southbound on Highway 45 just before 4pm when he failed to negotiate the curve near County Highway SS. His vehicle struck the culvert embankment of a driveway, went airborne and rolled multiple times before coming to rest in the ditch on it tires. The 45-year-old was flown from the scene by Flight For Life to ThedaCare Regional Medical Center in Neenah. Condon was not wearing his seatbelt. Highway 45 was closed between County Highway SS and Highway 67 for 40 minutes. The crash is under investigation by the Fond du Lac County Sheriff’s Office.