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Armstrong Bridge

Ontario Street Bridge

Armstrong Bridge

Primary Photographer(s): Ian Graham

Bridge Documented: June 23, 2018

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Key Facts

Location
Burks Falls: Parry Sound District, Ontario: Canada
Structure Type
Metal 7 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Construction Date and Builder / Engineer
1938 By Builder/Contractor: Canadian Bridge Company of Walkerville, Ontario

Technical Facts

Rehabilitation Date
2017
Main Span Length
Not Available
Structure Length
Not Available
Roadway Width
Not Available
Spans
2 Main Span(s) and 3 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This is an unusual high level viaduct type bridge noted for its multiple pony truss spans. This bridge was built in 1938 by the Canadian Bridge Company of Walkerville Ontario. It carries Secondary Highway 520 (Ontario Street) (formerly Highway 11) across the Magnetawan River, Abandoned Canadian National Magnetawan River Spur, and Syples Street. The bridge consists of three steel stringer approaches (thin slab, two spans at the south, one at the north) as well as the two pony truss spans that span the river. The two south stringer spans cross the abandoned rail line and the municipal road. The bridge is skewed and also on a grade with the low end being at the north.

 

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Photo Galleries and Videos: Armstrong Bridge

 
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Bridge Photo-Documentation
Mobile Optimized Photos
A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Armstrong Bridge

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