(Swan Lake, 56', 1991, 40-43-A) across finger of Swan Lake in Swan Lake Iris Gardens in Sumter, Sumter County, SC. SC763 (Liberty St.) W. 1.5 miles from jct with US521 (Washington St.), S. into Iris Gardens & park. Bridge is on the E. side of the lake. (N33 55.074 W80 22.108) Photo by Harry Hill 3-8-09.