 Complete the following phrase:  The Goose Creek Stone Bridge crosses Goose Creek in Loudoun County, Virginia. The long stone arch bridge spans the creek in four arches. Built about 1810, it is the largest stone turnpike bridge in northern Virginia, designed to carry the Ashbys Gap Turnpike across the creek. The turnpike was replaced by U.S. Route 50, which crosses the creek a short distance to the south. The bridge is no longer used for vehicular traffic. The bridge was a center of fighting in the American Civil War on June 21, 1863, during the 