Bridgeport is a borough in Montgomery County, Pennsylvania, United States, 18 mi north of Philadelphia on the Schuylkill River. Former industries included paper, flour, cotton, woolen mills, steel works, and brickyards. Bridgeport is 6 mi east of Valley Forge, Pennsylvania. In 1777, during the American Revolutionary War, General George Washington and the Continental Army passed through Bridgeport on their way to their winter encampment in Valley Forge.