Motorists traveling north on Smithville Highway should expect delays in the Dibrell area. The bridge over Mountain Creek is currently down to one lane of traffic due to repairs being made on the bridge by the Tennessee Department of Transportation.Traffic over the bridge is being maintained and controlled by a temporary signal for the safety of the public. Motorists should expect delays up to six minutes, according to a sign located near the bridge.TDOT representative Jennifer Flynn said the expected completion date for the project is still over six months away.