minneapolis: bridges and ruins (gallery) Posted on September 23, 2016by bamhoward Third Avenue Bridge (Bridge 2440) Ruins of Washburn A Mill at Mill City Museum. James J. Hill Stone Arch Bridge (Bridge 27004) Mill Ruins Park through the Stone Arch Bridge Mill Ruins Park James J. Hill Stone Arch Bridge (Bridge 27004) Photos taken by Barbara A.M. Howard. All rights reserved.