(Washington Co., OR) -- Authorities are investigating, after a Molalla man was killed in a cement-truck crash. Washington County sheriff's deputies say the truck flipped on its side and went off the road as it was heading down a steep hill yesterday in the 38-thousand block of Southwest Laurel Road. The man has been identified as 51-year-old David Gilbreath. Deputies say there's no indication drugs or alcohol were involved in the crash.