Last year, Hidden City asked who moved the Newkirk Viaduct Monument. And since then, we’ve learned that the 176-year-old sculpture might be incorporated into park plans for Bartram’s Mileāat its original site at the foot of the Grays Ferry Bridge over the Schuylkill River. Just upstream, an even older monument once commemorated the first bridge at Market Street. The Shadow looks into what ever happened to it