Question: Where is the longest stone arch bridge in Texas?
Answer: In Graford, along State Highway 16 over the Brazos River near Possum Kingdom Lake. The 433-foot bridge is constructed of limestone mined from a local quarry and has 18 arches spanning between 23 to 35 feet. It was built by coal miners employed by the Works Project Administration between 1940 and 1942. Highway engineers chose the stone masonry design to withstand floodwaters released by the Morris Sheppard Dam located about a mile upstream.
