Koss Construction Co.

of Des Moines, Iowa
View Exhibit map

1st Avenue Bridge (Linn County, Iowa)
Builder, 1920
Open-spandrel arch bridge over Cedar River on First Avenue (Business US 151/IA 922) in Cedar Rapids
Open to traffic

1st Street Bridge (Floyd County, Iowa)
Built 1916
Two-span closed-spandrel arch bridge over Shell Rock River on 1st Street SW near Nora Springs
Open to traffic

7th Street Viaduct (Old) (Polk County, Iowa)
Built 1913
Steel stringer bridge over Railroad on 7th Street
Replaced by a new bridge

Capitol Hill Tunnel (Polk County, Iowa)
Built 1920
Closed-spandrel arch bridge over Court Avenue
Removed

Court Avenue Bridge (Polk County, Iowa)
Built 1917
Five-span arch bridge over Des Moines River on Court Avenue in Des Moines
Open to traffic

Galena Y Bridge (Stone County, Missouri)
Contractor, 1927
Five-span open-spandrel arch bridge with Y-shaped approach over James River at Galena
Open to pedestrians only

Hawkeye Avenue Bridge (Webster County, Iowa)
Built 1919
Lost Open-spandrel arch bridge over Des Moines River on E Hawkeye Avenue in Fort Dodge
Replaced by new bridge

Keigley Branch Bridge (Story County, Iowa)
Contractor, 1913
Concrete arch bridge over Keigley Branch on 550th Avenue
Open to traffic

Keller Memorial Bridge (Morgan County, Alabama)
Arch Contractor, 1925
Lost Open-spandrel arch bridge over Tennessee River on Us 31 *
Replaced by new bridge

Lincoln Highway Head Memorial Bridge (Greene County, Iowa)
Built 1914
Lost Closed-spandrel arch bridge over Buttrick Creek on Lincoln Highway
Replaced by a new bridge

Mendota Bridge (Dakota County, Minnesota)
Built 1926
Concrete arch bridge over Minnesota River on MN 55 in Mendota Heights
Open to traffic

Pearl Street Bridge (Kent County, Michigan)
Built 1922
Open spandrel arch bridge over Grand River on Pearl Street in Grand Rapids
Open to traffic

Roubidoux Bridge (Pulaski County, Missouri)
Contractor, 1923
Five-span concrete arch bridge over Roubidoux Creek on MO 17 (former US 66) in Waynesville
Open to two-lane traffic

Shiawassee Street Bridge (Ingham County, Michigan)
Built 1926
Lost Closed-spandrel arch bridge over Grand River on Shiawassee Street in Lansing
Replaced by new bridge

SW 7th Street Bridge (Polk County, Iowa)
Built 1915
Arch bridge over Raccoon River on SW 7th Street in Des Moines
Open to traffic

US61 Hughes Creek Bridge (Cape Girardeau County, Missouri)
contractor for 1936 reconstruction, 1922
Lost pony truss bridge over Hughes Creek on US 61 south of Old Appleton
Demolished May 2015