Traffic on Route 15 in Sedgwick, Deer Isle and Stonington will be disrupted Friday morning for the transport of two huge concrete beams. State Police say the disruption will take place starting at 9 a.m. Friday and likely last about an hour. Officials say the transport is likely to bring traffic to a halt in Sedgwick. The two tractor trailer truck’s final destination will be South Thomaston later in the day. Once the convoy clears Sedgwick, few traffic delays are anticipated.