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The hillside along the south side of Ladue Road just east of New Ballas Road is failing, and the city is taking steps to protect motorists and to stabilize the roadway.
The stabilization project will closce Ladue Road between New Ballas Road and the Shaare Emeth entrance for several weeks this summer. The city will establish a detour to divert traffic around the closure. City staff expects that the project will be completed and that the road will be fully open to traffic by October 2017.
The stabilization and repair work will likely be the city’s largest roadway project this year. The project will involve drilling supports into the rock below so that Ladue no longer relies on the hillside for support. After this work, the portion of Ladue Road will be resurfaced. The total project cost is estimated at $830,000.
The failure showed itself with a crack in the Ladue shoulder in early May, following several days of rain. At least two other hillsides in Creve Coeur failed as a result of these storms.
City staff observed the situation closely during May and early June. The conditions continue to deteriorate as the hillside continues to fail and move. The city implemented temporary measures, such as a reduced speed limit and shifted lanes, to make this portion of Ladue Road safer for motorists and workers on site.
For more information, contact Matt Wohlberg, City Engineer, at email@example.com or (314) 442-2084.