An 100 year old steel bridge in Springdale Pa which once served a now demolished Power Plant is much older then the plant which was recently torn down to be redeveloped now its the bridges turn to be torn down which carried coal from nearby Harwick Mine to the plant and when the mine was closed carried pipes which sent coal waste slurry to a pond further up the hill
The bridge which goes over Pittsburgh Street proceeds the power plant and was originally used to carry coal cars from the Harwick Mine to the river and Colfax Rail Station where coal was loaded into cars going to various markets. It was during this time a horrifying accident and explosion happened at the Harwick Mine killing 179 miners in 1904 some of who are buried nearby the bridge in st James cemetery
2 rescuers where killed attempting to save miners that it moved Andrew Carnegie to start the Carnegie Heroes Fund
https://www.carnegiehero.org/about/history
A marker sites just outside the plant former location