O'Hanlon & O'Horn

James O'Hanlon Sr: https://www.newspapers.com/newspage/65063527/ ____ O' Horn:

3rd Avenue Bridge (Original) (Linn County, Iowa)
Substructure, 1872
Lost Bowstring through truss bridge over Cedar River on 3rd Avenue
Replaced by a new bridge

BCRN - Cedar River Bridge (Old) (Muscatine County, Iowa)
Substructure, 1872
Howe through truss bridge over Cedar River on Burlington, Cedar Rapids & Northern Railroad
Partially destroyed by fire and replaced by a new bridge

Cedar Bluff Bridge (Cedar County, Iowa)
Substructure, 1877
Lost Whipple through truss bridge over Cedar River on Road
Replaced by new bridge

Rochester Bridge (Cedar County, Iowa)
Built 1880
Lost Whipple through truss bridge over Cedar River on Road
Partially collapsed in 1947 and replaced on a new alignment