Black River Bridge Lost pony truss bridge over Black River on Johnson Road No longer exists Built 1916; replaced 2000
Copps Mine Road Bridge Pony truss bridge over Presque Isle River on Copps Mine Road Closed to all traffic Built 1906
Mansfield Street Viaduct Lost Bridge over Chicago & Northwestern Railroad and Minneapolis, St. Paul, Sault Ste. Marie (Soo Line) Railroad on Mansfield Street in Ironwood Removed Built 1922 as a joint venture between the two railroads and City of Ironwood;
Miller Road Bridge Pony truss bridge over Cisco Branch Ontonagon River on Miller Road Open to traffic Built 1920