Illinois Waterway Lock Closures Begin - The Waterways Journal

The long-planned closure of six Illinois River locks and dams began July 1, with the full closure of LaGrange Lock and Dam and Starved Rock Lock and Dam to extend through September 30. They were followed by the full closures of Peoria Lock and Dam and Marseilles Lock and Dam July 6, to extend through October 29.

Mike Walsh,  Chief of locks and dams for the Illinois Waterway with the Rock Island Engineer District, said crews were busy pulling gates and setting bulkheads. His only concern was with the unusually hot weather; central Illinois is experiencing a spell of temperatures in the 90s, with heat indexes in the 100s, that could last for a couple of weeks, requiring added safety measures for crews. The closures will allow simultaneous major repairs and replacements to the lock structures.

At LaGrange Lock and Dam in Versailles, Ill., rehab work will include dewatering the lock chamber to replace severely worn lock gate machinery and make significant repairs to crumbling concrete and steel structures. This work is anticipated to take up to 120 days to complete.

At Peoria Lock and Dam in Creve Coeur, Ill., the work will include dewatering the lock chamber for about 60 days to perform inspections and maintenance of areas usually submerged.

At Starved Rock and Dam in Ottawa, Ill., and Marseilles Lock and Dam in Marseilles, Ill., the lock chambers will also be dewatered in order to reconstruct miter gate sills and replace anchorages in preparation for new miter gates to be instal....

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