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Carroll Street Bridge. Aerial photo via Google Maps.
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In our old neighborhood, crossing the Gowanus Canal, stands the oldest retractile bridge in the United States. Built in 1889 and restored a hundred years later, the Carroll Street Bridge stands out for its unique operating mechanism (a sliding bridge?!) and its trapezoidal shape. I'm no historian, but if I had to guess, it seems clear why they designed such a bridge here in the 1880s: at the design presentation to the Community Board, the residents of the luxury waterfront condos objected to their views being obstructed by a drawbridge. Actually, while it takes up a great deal of space in plan--it requires a docking platform at least the size of the bridge--it allows vertically unobstructed passage for the entire width of the clear space.
On another note, not once in the half an hour I spent on the bridge last weekend did I catch so much as a glimpse of a six-legged dog or a fish with three eyes. Progress on the Gowanus cleanup front!
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View across bridge to West
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Detail of steel tension rod connection
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