Missouri Valley is a small town in West Central Iowa.  The Chicago & North Western and Illinois Central both operated mainlines through the town.
The C&NW split, one line heading towards Fremont, Nebraska; the other towards Council Bluffs.  
The former C&NW mainlines are now Union Pacific, and the IC is now Canadian National. 
Bridges
 
 
Parker Through Truss Bridge over Missouri River 
UP Boyer River Bridge #4
 
 
Quadrangular Through Truss Bridge over Boyer River 
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