This bridge was built in 1912 using truss spans from another bridge, dating to 1887. In terms of historical significance, the bridge should be evaluated in the context of its 1887 truss spans, thus this is why the construction date is listed as such. At severe risk for collapse due to a failing substructure, this bridge's trusses, salvaged from the famous Lachine Bridge in Montréal, are the longest Whipple truss in Canada, and indeed all of North America. Whipple deck trusses are more rare than Whipple through trusses in North America. Whipple trusses of any kind are almost unheard of in Canada. Yet this bridge remains, for now, as an enormous large-scale multi-span Whipple truss. It is over 150 feet over the river, and the concrete piers when completed in 1912 were the tallest in the world. The bridge it came from, the Lachine Bridge, was a pioneering continuous through truss bridge. The spans seen at Outlook were the simple truss approach spans of the bridge. The Outlook Railway Bridge had been converted for pedestrian use, but was closed in 2013. The reason for closure is obvious since the truss members show severe distortions. The cause of this appears to be a failing substructure, with the concrete piers either tipping or moving, perhaps due to movement of the riverbed itself. The spans of the bridge are as follows (quantity by length in feet): 6x45, 5x60, 2x80; 8x242; 3x45, 2x60, 1x80. The contractor for the 1912 substructure was J.D. McArthur & Co.
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