Wynkoop & McGormley

of Lansing, Michigan
36th Street Bridge (Allegan County, Michigan)
Built 1907
Lost Parker pony truss bridge over Rabbit River on 36th Street in Salem Township
Replaced by new bridge

Kent Street Bridge (Ionia County, Michigan)
Built 1907
Parker through truss bridge over Grand River on Portland Riverwalk Trail
Relocated and restored

Rouge River Bridge (Wayne County, Michigan)
Built ca. 1914
Lost Closed-spandrel arch bridge over Rouge River on Michigan Avenue (US-12, formerly US-112)
Replaced by new bridge

Turner Road Bridge (Ionia County, Michigan)
Built 1910
Parker through truss bridge over Grand River on Turner Road
Derelict/abandoned