Complex sentence: The system struggled financially, its light ridership making it no longer economically viable as a private venture, and not long after D&I itself went into receivership it abruptly ceased operation of its Fort Collins trolley system, on the night of July 10,1918.
Split into simpler sentences: The system struggled financially, its light ridership making it no longer economically viable as a private venture. The D&I itself soon went into receivership, and abruptly ceased operation of its Fort Collins trolley system, on the night of July 10,1918.