PennDOT District 11 is announcing inspection activities are underway on the Rochester-Beaver Bridge (Route 51) ramp to southbound Route 18 in Rochester Borough. Lane restrictions and traffic shifts will occur in each direction of Route 65 under the ramp to allow crews from the Larson Design Group to conduct inspection activities.  Restrictions will occur from 9 a.m. to 3 p.m. Monday through Thursday, August 20-23. The ramp will remain open during the inspection work.