Sunday, March 8, 2009

Toronto's Bridges: Gerard Street Bridge

We are continuing south on the Don River in Toronto, past the Riverdale Park Bridge to a three-span steel, deck arch; the Gerard Street Bridge. This is a nicely designed structure. The three pinned arches are clearly articulated at the piers and at midspan.  The concrete piers support the deck and the arches through openings in the piers. Even the lampposts are nicely designed on concrete bases on the outside of the barrier rail.  

These bridges not only span the Don River but Don Valley Parkway and Bayview Avenue, requiring three long spans. This makes steel deck arch spans a good solution, as long as the abutments can resist the longitudinal force from the arches.
Creative Commons License
Toronto's Bridges: Gerard Street Bridge by Mark Yashinsky is licensed under a Creative Commons Attribution 3.0 United States License.

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