Keywords: Twin Arch Stone Culvert, western side.jpg 78002142 40 5 18 N 84 13 24 W Western side of the w Twin Arch Stone Culvert located along County Road 25A north of Troy Ohio Troy in Concord Township Miami County Ohio Concord Township Miami County Ohio Miami County Ohio United States Built in 1837 as an aqueduct for the Miami and Erie Canal it is now the centerpiece of the Twin Arch Reserve and it is listed on the National Register of Historic Places Own 2011-08-08 User Nyttend Nyttend Twin Arch Stone Culvert Building-centered pictures by User Nyttend |