From font of conflict to source of serenity

For more than a decade, the Chandler Mill Bridge, a historic, one-lane, stone and steel structure that spans a gently gurgling waterway, was awash in conflict – a dramatic contrast to its bucolic surroundings. Deeming it unsafe, Chester County, which owned it, made plans to raze the 1910 span. But preservationists, who fought to add it to the National Register of Historic Places, argued that…