Ripley County, Ind.— The Indiana Department of Transportation has awarded a $808,000 contract for drainage improvements on U.S. 50 and U.S. 421 Ripley County, work is expected to begin this fall.Aurora-based Paul H. Rohe Company will replace a three-sided concrete box culvert under U.S. 50 under Caesar Creek east of County Road 525 South. Motorists can expect single lane traffic controlled by a traffic signal at either end of the construction area. That section of U.S. 50 reportedly handles about 6,200 per day.Next spring, the same contractor will replace a concrete culvert on U.S. 421 about 14 miles north of State Road 250. The project will be done one lane at a time as well. Officials estimate 3,700 vehicles per day use that section of the highway.