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Hamilton Hope Boundary Road Bridge

Hamilton Hope Boundary Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 12, 2011 and July 21, 2013

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Port Hope: Northumberland County, Ontario: Canada
Structure Type
Concrete Slab, Fixed
Construction Date and Builder / Engineer
1960 By Builder/Contractor: Unknown
Rehabilitation Date
Main Span Length
101.7 Feet (31 Meters)
Structure Length
213.2 Feet (65 Meters)
Roadway Width
Not Available
3 Main Span(s)
Inventory Number
Not Applicable

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge has been altered, resulting in a severe loss of historic integrity and significance!

Bridge Status: Original railings have been replaced!

Information from Ontario Bridge Inventory: Bridge width: 10.4 meters. End spans are 17 meters. A visit in 2018 showed that the original railing had been replaced.

This bridge appears to be a continuous reinforced concrete slab type bridge whose superstructure is arched in shape. The arch may increase the strength as well as the vertical clearance, but it also greatly enhances the aesthetic value of the bridge versus a traditional concrete slab which tends to be rather ugly in appearance.

About Ontario Freeways With Heritage Bridges

King's Highway 401 is the very busy backbone of Ontario's surface transportation system, running from the province of Quebec to the city of Windsor, and running through Toronto in between. King's Highway 400 is another highway running from Toronto northward to Barrie and beyond. These two freeways are noted for being two of the older freeways in Ontario, although not as old as the Queen Elizabeth Way (QEW). Both KH-401 and KH-400 limited access highways are also noted for a rich and varied collection of bridges dating to the 1950s and 1960s. Many of these bridges are noted for their aesthetically pleasing design. The rigid frame which was so popular in Ontario was adapted for many of the overpasses. Another popular design for bridges of this period appears to have been the reinforced concrete slab, which in some cases was arched, providing an otherwise bland design type with an aesthetically pleasing appearance. Both the concrete slab and rigid-frame bridges were finished in the popular ornamental railing that was popular during the period.

HistoricBridges.org considers those bridges which retain original railings and are either rigid-frames or reinforced concrete slabs with aesthetic design to have at least some level of heritage significance, as long as they date to before 1970. Because many of these bridges have been replaced or irreversibly altered, with more alterations and replacements undoubtedly planned for the future, it is important to identify those bridges which meet this criteria. It is those bridges which should be prioritized for preservation. Even though these bridges may not be the most historically significant of Ontario bridges, it is important to consider the positive effect these visually pleasing overpasses have on a freeway which in many cases would be otherwise boring and ugly in many places if it were not for these bridges.


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