Middle section of the Caledonia rainbow arch bridge, over Grand River.

The Caledonia Bridge is one of the most significant and impressive bridges in Canada and a key landmark for Caledonia in southwest Ontario. The bridge, built in 1927 by Randolph MacDonald Company of Toronto, Ontario is the longest rainbow arch bridge in Ontario. Rainbow arch bridges are often also called bowstring through arch bridges. The bridge consists of nine long spans, that are unusually large compared to other rainbow arch bridges in Ontario. the length of the main span is 72.58 Feet (22.12m), and the total bridge length is 700 feet (213.4m). The bridge’s structural material is reinforced concrete.

This heritage bridge hasn’t been altered from its original design and thus has good historic integrity.

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Image updated—September 30, 2013
Image #2466
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