Plan ahead. In Ventnor lane shifts will be in effect on the Dorset Avenue bridge from 7 a.m. to 4 p.m. weekdays, weather permitting, for emergency mechanical repairs, Atlantic County said.As reported in the Press of Atlantic City sidewalk closures also will be in effect in the work zone, one side at a time, from 8:30 a.m. to 4 p.m. weekdays. Signs will direct pedestrians to the open sidewalk.