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Old Mill Bridge

Old Mill Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: June 20, 2013

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Key Facts

Facility Carried / Feature Intersected
Old Mill Road (Catherine Street) Over Humber River
Toronto: Toronto City, Ontario: Canada
Construction Date and Builder / Engineer
1916 By Builder/Contractor: Arnot Construction Company of Toronto, Ontario and Engineer/Design: Frank Barber of Toronto, Ontario

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
Not Available
Structure Length
Not Available
Roadway Width
Not Available
3 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

This bridge is both beautiful and historically significant. Built in 1916, it is a concrete arch bridge with a stone facing so that to a casual viewer it looks like a stone arch bridge. However, it is indeed a concrete arch bridge and looking underneath the bridge, the concrete of the arch ring can be seen. It was designed by Frank Barber who was also associated with the firm of Barber and Young. Barber was a leader in the introduction of concrete into bridge construction in Ontario. Read more about Frank Barber on the Middle Road Bridge page.

This bridge retains outstanding historic integrity. The concrete appears to be original and in good condition as does the stone facing and the stone railings. The bridge was designed with architectural assistance from Alfred Hirschfelder Chapman. Chapman was also associated with the firm of Chapman and Oxley, a Toronto-based firm that designed a number of buildings in the area.

This bridge was a replacement for a multi-span Warren pony truss that was destroyed in an icy flood in March of 1914.

Above: The photo to the left shows the previous bridge at this location during the flood, and the right two photos show the bridge after the flood brought it down.


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