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Shade Street Bridge

D. J. Emery Bridge

Shade Street Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: July 1, 2007

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Facility Carried / Feature Intersected
Shade Street Over Nith River
Wilmot Township (New Hamburg): Waterloo Region, Ontario: Canada
Construction Date and Builder / Engineer
1953 By Builder/Contractor: Canadian Bridge Company of Walkerville, Ontario
Rehabilitation Date
Main Span Length
154.0 Feet (46.9 Meters)
Structure Length
154.0 Feet (46.9 Meters)
Roadway Width
34 Feet (10.36 Meters)
1 Main Span(s)
Inventory Number
Not Applicable

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge is dedicated to D. J. Emery who was the Waterloo County Engineer from 1932 until his death in 1953.

This bridge is similar in appearance to the Hartman Bridge. It however does not have as much of the attractive v-lacing. Instead, the majority of the bridge's built-up members and bracing use battens to hold the parts together. Lattice is present under the top chord and end post however. The bridge also features a lattice design for a portal brace. V-lacing is present within the steel of the portal bracing.

This bridge is a Pratt through truss. It features extra diagonals that in the center that make the bridge look a little like a Baltimore truss. Because this is only limited to two of the eight panels, it makes sense to still consider this a Pratt, plus, it is not uncommon for a Pratt to feature extra diagonals that form a complete X in the center panels. What makes it look like a Baltimore is that with this bridge these extra diagonals only run up to meet the diagonal, and not all the way up to the top chord. In any case, these extra diagonals on the Shade Street Bridge seem to serve the same purpose as the X-forming diagonals on other Pratt truss bridges. All except for the first set of diagonals at each end are rolled i-beams, and all vertical members are also rolled i-beams. This differs from the older Hartman Bridge, which features built-up rather than rolled members.

This bridge features original lattice railings for the cantilevered pedestrian sidewalk, which is present on the north side of the structure. The railing on the south side appears to be altered. It appears that there was originally a small lattice railing (smaller than the pedestrian railing) that has been replaced with modern beams, which had the bars from the original lattice railings welded on to help make it look authentic.

Information and Findings From Waterloo Region Heritage Bridge Inventory

Waterloo Region Assigned Heritage Ratings:

Overall Score: 58. (Heritage Bridge scores range from 50 up to generally 78)

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Photo Galleries and Videos: Shade Street Bridge


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