BERWICK - The Maine Department of Transportation is replacing parts of a large culvert on Route 9 in Berwick. The project location is at the intersection of Route 9 and Old Sanford Road. Work began on August 22nd and is scheduled to be finished by October 15th. Drivers should expect an alternating, single-lane traffic pattern. The contractor performing this work is Sargent out of Fremont, New Hampshire. The contract amount is $532,205.