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Discussion relating to the past and present operations of CPR. Official web site can be found here: CPKCR.com. Includes Kansas City Southern. There is also a KCS sub-forum for prior operations: kansas-city-southern-and-affiliates-f153.html

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 #1016168  by Pat Fahey
 
HI
I just this this on another site, maybe someone from the CPR can answer the question , What are the Arches for? Pat
Attachments:
CPR in Maine at Mattawaamkeag bridge over Penobscot river
CPR in Maine at Mattawaamkeag bridge over Penobscot river
Ex CPR bridge Mattawaamkeag Bridge over Penobscot River the ARCHES.jpg (252.87 KiB) Viewed 5501 times
 #1018186  by Minneapolitan
 
My guess is reinforcement support. Perhaps there were signs of the bridge warping from age, and it was cheaper to simply brace the sides together.

Makes sense to me!