Heavy rainfall wreaked havoc on many dirt roads in Bulloch County on Tuesday and Wednesday, but clear skies are expected for the rest of the week following a cold front that moved in Wednesday night. High Point Road and G.W. Oliver Road were closed Wednesday, and many others were nearly impassable, said Bulloch County Public Safety Director Ted Wynn. “We’re going to be working on those,” he said, meaning Bulloch County Correctional Institute work crews would be out in force Thursday to repair roads that became boggy or were washed out due to the torrential rainfall.