Video shows Plymouth Avenue Bridge repairs happening inside the bridge

The sounds of jackhammers, saws and drills echo along the Mississippi River where crews are busy repairing the Plymouth Avenue. But anyone walking along the river banks won’t see any of the construction they hear. The reason: all of that work is being performed within the bridge itself.

The Plymouth Avenue Bridge has box girder spans. These hollow, concrete tubes are like long, windowless rooms that stretch across the river. It’s inside these enclosed areas that workers are doing all of the repair work. Outside of an occasional truck or cement mixer on the bridge’s deck, no other construction work can be seen.

The City of Minneapolis has produced a video that shows the unique construction environment inside the bridge. Jackhammers are used to remove corroded concrete and cables that led to the bridge’s closure. Saws are then used cut through the sections of cables that need replacing. In the coming weeks, new cables will be installed. 

This season’s construction will wrap up around mid-October, and the bridge will then reopen to traffic. Although additional construction will be needed in 2013, the bridge will remain open to traffic while those repairs are made.  

More information on the Plymouth Avenue Bridge repairs is on the City's website.

Published Sep 6, 2012

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