The Adair County Engineers Office reports beginning Wednesday Aug. 11th and lasting until Friday, Oct. 15th (weather permitting), a portion of 310th St. (G61) and Adair-Cass Ave. will be closed to traffic for a box culvert and grading project. The project is approximately 0.43 miles in length along 310th St., including 1200′ east and west of Adair-Cass Ave. Adair-Cass Ave. will be closed 600′ south of 310th St.