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The prescient inclusion of a rail deck below the main expanse of the Prince Edward Viaduct—decades before the construction of the Bloor-Danforth subway line—is a well known bit of Toronto trivia. Fewer people know that a similar rail deck was included in the viaduct's lesser-known Rosedale Valley Bridge. While the viaduct's main span lived up to its envisioned purpose with the Bloor-Danforth line's 1966 opening, the rail deck and portal below the Rosedale Valley span remain unused due to the sharp turning angle that would have been required between the two bridges. Instead, a John B. Parkin-designed concrete arch bridge was constructed in 1966 as part of the subway line, situated mere metres north of the pre-existing bridge carrying Bloor Street traffic. The concrete arch bridge is featured in today's Photo of the Day, submitted to the UrbanToronto Flickr Pool by AshtonPal.
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