Bridgemill in Cherokee County consist of a total 1,674 acres. Bridgemill is a subdivision with a large number of homes- Bridgemill has 2,648 homes ranging in price from $135,000 to over 1.3 Million. The community of BridgeMill backs to six scenic miles of shoreline at Lake Allatoona. It’s a beautiful, natural setting located only about 1/2 mile from Lake Allatoona and approximately three miles from I-575.