Mississippi River lock reopens after repairs

Major backlog at Granite City lock near St. Louis.

Martin Ross

Published: Sep 20, 2012

A temporary lock shutdown on the Upper Mississippi -- this time at Granite City near St. Louis -- again underlined the river’s impact on ag commerce and the need for infrastructure investment from the Midwest to the Gulf.

Barges were moving slowly through Granite City’s Lock 27 Thursday after crews made emergency repairs to a structure that protects the high-traffic lock and guides barge tows into the lock chamber. At the point it was reopened Thursday, 63 tows and 455 barges were awaiting passage.

The damaged lock barrier was discovered Sept. 15 as a result of low water levels. While the lock itself was not damaged, cell deterioration is symptomatic of problems continuing to emerge at aging Midwest locks.

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