Boone, Iowa

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CNW - Linwood Cemetery Arch Bridge (Boone County, Iowa)
Built 1881
Stone arch bridge over Honey Creek on Abandoned C&NW Railroad
Abandoned

MILW - Honey Creek Bridge (Boone County, Iowa)
Built 1914, Removed 1980
Lost Deck plate girder bridge over Honey Creek on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Lincoln Highway Overpass (Boone County, Iowa)
Built 1917; Removed 1980
Lost Concrete deck girder bridge over US 30 on Railroad (MILW)
Removed

MILW/CNW Bridge (Boone County, Iowa)
Removed 1980
Lost Girder bridge over Chicago & North Western Railway on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

UP - Benton Street Subway (Boone County, Iowa)
Built 1910
Steel stringer bridge over Benton Street on Railroad
Open to traffic

UP - Polecat Creek Arch (Boone County, Iowa)
Built 1899
Stone arch bridge over Polecat Creek on Union Pacific Railroad
Open to traffic