The Marietta-based firm was one of three companies that submitted proposals for the project, which would widen I-85 from two lanes to three lanes in both directions from Ga. 53 to U.S. 129 in Jackson County. The project includes replacing six bridges and one overpass along the 6.7-mile stretch of highway.
C.W. Mathews would charge $94.6 million for the project. Final design work is expected to begin late this year, with construction beginning in 2021. The project is expected to be finished by 2023.