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Hudson Bridge

Hudson Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 20, 2013

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and Videos
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and Links

Key Facts

Facility Carried / Feature Intersected
Machar Street Over Gananoque River
Location
Gananoque: Leeds and Grenville United Counties, Ontario: Canada
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
125 Feet (38 Meters)
Structure Length
125 Feet (38 Meters)
Roadway Width
Not Available
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This bridge is a rare example of a pin-connected truss bridge in Ontario. This once common bridge type is rare thanks to demolition and replacement of these bridges, despite their heritage value as some of the oldest metal bridges in Ontario. This bridge is particularly special as it appears to have a rich history. The bridge was apparently originally a railway bridge and may have been relocated to its current location before being converted for vehicular use. The postcard to the right shows what is pretty clearly the same bridge. The bridge is labeled as the "T. I. R. R." Bridge which may mean "Thousand Islands Rail Road" This is evidence that the bridge was originally a railway bridge, and this theory is also further supported by the bridge's unusually large floor beams and narrow roadway width. In the postcard to the right, a dam is shown in the background. There is no dam around the bridge today, but there is a dam (and what appears to be a former railway line) a short distance south of the bridge's current location. The bridge may have originally been located there and later moved here to Machar Street to serve as a highway bridge.

The bridge's trusses appear to retain good historic integrity with no major alterations noted. The heavy floor beams are connected to the truss via an uncommon pin connection to the vertical member, these connections being separate from the bottom chord connections. This design is in contrast to the traditional system of u-bolt hangers that would have extended down from the bottom chord connections to hold the floor beam. The unusual, perhaps more rigid and heavy duty, method of holding the floor beams may be yet more evidence of this bridge's railway past.

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Photo Galleries and Videos: Hudson Bridge

 
View Photo Gallery
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
View Photo Gallery
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
CarCam: 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
CarCam: 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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Maps and Links: Hudson Bridge

Coordinates (Latitude, Longitude):

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