Beginning Monday, March 22, Oberstar will be working in Tierney Street north of Mesnard Street to install a sewer service to 1157 Tierney Street.  Work in the street is expected to last two days. Oberstar is working with Bothwell Middle School to avoid disruptions and Tierney Street will remain open to traffic. The public is advised to use caution when traveling through this area and to be alert for construction and advisory signing.