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Tansley Bridge

Dundas Street Bridge

Tansley Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: September 26, 2015

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Facility Carried / Feature Intersected
Dundas Street (RR-5) Over Bronte Creek
Burlington: Halton Region, Ontario: Canada
Construction Date and Builder / Engineer
1948 By Builder/Contractor: Unknown
Rehabilitation Date
Main Span Length
Not Available
Structure Length
700.0 Feet (213.4 Meters)
Roadway Width
Not Available
4 Main Span(s)
Inventory Number
Not Applicable

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge is a rare example of a continuous deck truss in Ontario. It also is a very beautiful example, with extensive v-lacing and lattice on truss members. The concrete gothic arch piers are both unusual and visually pleasing as well. The bridge has been altered by the addition in 1979 of weathering steel beams on the northern side. As part of this the deck and original railings were replaced, to produce a wider overall roadway. However, the original portion of the bridge retains largely unaltered truss and substructure, and should still be considered rare and to also have substantial heritage value on account of the noteworthy continuous truss design as well the associated aesthetics. The continuous design allows for a graceful arched truss shape.

The 1979 steel beams that were added appear to be in worse shape than the trusses. The beams appear to be weathering steel, which doesn't always perform well in a climate that requires corrosive winter deicing salt. Substantial section loss on the beams was noted.

There once was another bridge similar to this one on the same road further east over 16 Mile Creek, but it was demolished and replaced.

This bridge is next to an unusual pipeline bridge that uses old bridge piers.


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