Dunlap Creek Bridge (1839), carrying old U.S. 40 over Dunlap Creek, in Brownsville may be the nation's oldest dateable cast iron bridge. The bridge is still standing to this day. Capt. Richard Delafield, engineer; John Snowden and John Herbertson, foundrymen
Chade Chalfant: Chade Chalfant was the son of John Chalfant and Sarah Cloud Chalfant. John and Sarah moved from Chester County, Pa. to Brownsville in 1747.Chade was their oldest son. Chade was a prominent Methodist and the first worshipful master of the lodge in Brownsville. He and his wife Margaret, had seven children. Contrary to some reports, Chade Chalfant descended from a prominent family in England and was not French. His grandfather, John, emigrated to the US in 1690, and was given a large tract of land by William Penn.