Posted by Erick Anderson on October 5, 2017  I'd like to know why the concrete bridge above is draped like that. Posted by Justin Cutietta on October 5, 2017  Usually for repairs, to keep any dust/debris from falling/drifting. Posted by FSWood on October 5, 2017  Taking a wild guess, maybe controlling the drying rate of the concrete. Posted by Rich Kaminsky on October 6, 2017  This bridge is relatively new, having been completed in September of 2016. The steel superstructure is being painted now, so I imagine the canvas is meant to contain over spray.

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