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12th of Brant Bridge

12th of Brant Bridge

Primary Photographer(s): Nathan Holth, Luke Gordon, and Rick McOmber

Bridge Documented: March 13, 2011 and April 11, 2015

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Key Facts

Facility Carried / Feature Intersected
Concession Road 12 Over Saugeen River
Location
Brockton: Bruce County, Ontario: Canada
Structure Type
Metal Rivet-Connected Double-Intersection Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Pratt Through Truss, Fixed
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
160 Feet (48.77 Meters)
Structure Length
277 Feet (84.43 Meters)
Roadway Width
14.4 Feet (4.39 Meters)
Spans
1 Main Span(s) and 1 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This bridge is among the largest surviving riveted metal truss bridges in truss-rich Bruce County. The bridge is an interesting design, since it is two span, but one span is a subdivided double-intersection Warren through truss and the other is a Pratt through truss. Bruce County reports that these two spans were relocated here from elsewhere. It is assumed two different one span bridges were moved here to form the two span bridge. This would explain the different truss designs. A circa 1920 construction date is given for this bridge, but it is not known if this refers to initial truss construction or the relocation project.

The bearings and other areas around the bridge feet appeared to be well maintained and clean. Expansion bearings on the bridge have been replaced with modern neoprene style bearing pads. Relatively simple operations such as keeping the bearing area clean and replacing bearings as needed is an important but often overlooked aspect of good bridge maintenance.

A few truss members of the bridge have been replaced. The replacement was not in-kind, so attractive historical details like v-lacing and rivets were not retained. This, combined with the fact that the replaced beams have not yet rusted mean these alterations are rather obvious and stick out visually. Lacking on this bridge is a good coat of paint. Areas of section loss with the scaling rust still in place are trapping moisture and only increasing the rate of deterioration. If the bridge were to be blast cleaned and repainted, the project might be somewhat costly initially, but it would allow this heritage bridge to serve light local traffic for decades to come. Overall this bridge remains in decent condition, but without paint it will not offer as long of a service life as it would if painted.

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Photo Galleries and Videos: 12th of Brant Bridge

 
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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. This gallery offers photos in the highest available resolution and file size in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer
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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
View Video
Bumpercam: Westbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.
View Video
Bumpercam: Eastbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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