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Plaza Bridge

Plaza Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: April 13, 2011

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Key Facts

Facility Carried / Feature Intersected
Wellington Street, Rideau Street, and Elgin Street Over Rideau Canal
Location
Ottawa: Ottawa City, Ontario: Canada
Construction Date and Builder / Engineer
1912 By Builder/Contractor: Unknown

Technical Facts

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

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

This early example of a concrete arch bridge is noted for its extremely wide deck which is wider at the west end than at the east end, as it brings Elgin Street and Wellington Street together to merge with Rideau Street. In this sense, the bridge is essentially a form of "Y" bridge. Y bridges are a rare layout of bridge or bridges that split into two structures while crossing a feature. However, unlike a typical Y bridge, this bridge was designed with a single bridge unit with a solid deck throughout with no gaps, forming a triangle-shaped deck. The space in between the roads was originally designed for use as an open public space, giving rise to the name Plaza Bridge. Today however, increasing traffic volumes and traffic design requirements have eaten up the plaza space and now the nearly the entire deck is utilized by traffic lanes. In addition, a hole was cut in the western end of the deck to provide a pedestrian stairway that leads under the bridge.

 

Historical Photo of Newly Completed Bridge

Source: The Contract Record, Vol. 26, No. 17, April 24, 1912.

Historical Photo of Previous Cast Iron Arch

Source: Bridge and Rideau Canal from Stairs [showing Corry Building - Lindsay's].
William James Topley/Library and Archives Canada/PA-009035 

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Photo Galleries and Videos: Plaza 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: Plaza Bridge

Coordinates (Latitude, Longitude):

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