On the B&O Railroad, Buckeye Run Viaduct stood 136 feet high, 350 feet long, and 28 feet wide, while Tray Run Viaduct, 0.6 mile northwest, stood 148 feet high, 445 feet long, and 28 feet wide. Noted engineers Benjamin Latrobe and Albert Fink designed the viaducts. Built in 1852 to carry the main line, the bridges were reinforced in the 1880s and 1900. A Confederate force attacked these key points on the militarily important B&O Railroad in April 1863.