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Micropile Underpinning of US 69 Bridge over Kansas River

A temporary micropile underpinning foundation system was used to support the abutments of the US 69 bridge over the Kansas River near Kansas City, KS while repairs to the abutment bearing devices were performed. This post is based on my notes from the presentation titled “Emergency Micropile Underpining of the U.S. 69 Truss – Kansas River Bridge” by Jim Brennan, Assistant [State?] Geotechnical Engineer with KDOT. It was the first presentation of the 34th Southwest Geotechnical Engineers Conference in Phoenix this week. Read on for more.