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Keystone Bridge

   
                  


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Bridge Documented: June 19, 2007
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Key Facts
Bridge Name Facility Carried / Feature Intersected Location Structure Type Construction Date and Builder/Engineer
Keystone Bridge
Railroad (Chicago and Northwestern Rail-Trail) Over Black River Ramsay: Gogebic County, Michigan Stone Semicircular Deck Arch, Fixed 1891 By Builder/Contractor: Unknown
Technical Facts
Main Span Length Structure Length Roadway Width Main Spans
45 Feet (13.7 Meters) 45 Feet (13.7 Meters) 44 Feet (13.4 Meters) 1

Historic Significance Rating (HSR)

Primary Photographer(s): James Rouse

This bridge is next to the equally significant and impressive Ramsay Bridge. This is one of the largest known stone arch bridges in Michigan, and also is an old structure, dating to 1891. Thus, it is one of Michigan's more important historic bridges. It is most noteworthy for its tall height, which makes it a very impressive structure. It retains excellent historic integrity, and the overall integrity of the structure appears good.

Stone was used a lot on the railroads in this area. If you explore the rail line you may be able to find a number of stone culverts as well, which while not noteworthy enough for their own webpages, are still fun to look at. A few samples are available in this bridge's photo gallery.

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Photos and Videos: Keystone Bridge

Available Photo Galleries and Videos

Click on a thumbnail or gallery name below to visit that particular photo gallery. If videos are available, click on a video name to view and/or download that particular video.

 
View Photo Gallery Bridge Photo-Documentation
A collection of overview and detail photos. This photo gallery contains a combination of Original / Full Sized photos and Mobile/Smartphone Optimized (Reduced Size) photos. Alternatively, view this photo gallery using a popup slideshow viewer by clicking the link below.
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