Henry Williams Parkhurst

of Chicago, Illinois

CN - Big Muddy River Bridge (Jackson County, Illinois)
IC Bridge Designer, 1902
Three-span concrete arch bridge over Big Muddy River on Canadian National Railway
Still in use

CN - Cedar River Bridge (Chickasaw County, Iowa)
Built 1902
Deck arch bridge over Cedar River on Canadian National Railway
Open to traffic

Merchants Bridge (St. Louis, Missouri)
Resident engineer, 1890
Three-span through truss railroad bridge over the Mississippi River between St. Louis and Venice, Illinois on Terminal Railroad Assosiation
Open to two tracks of railroad traffic. Only one train is allowed to cross the bridge at a time, due to its age.

Old Plattsmouth Railroad Bridge (Cass County, Nebraska)
First assistant engineer, 1880
Lost Whipple through truss bridge over Missouri River
Replaced by new bridge