Problem A section of highway I-275 in Ohio developed a two- to six-inch dip across six lanes of full-depth asphalt. This problem was caused by a compromised corrugated metal pipe 50 feet below the surface which had allowed soils to be drawn down and out from under the roadway. The Ohio Department of Trans- portation (ODOT) needed a rapid solution. ODOT contacted URETEK because they were familiar with URETEK’s innovative technologies and proven track record after working with the company on similar projects in the past. ODOT also knew that URETEK could provide an effective repair while also saving money and reducing delays for the traveling public. Analysis URETEK used Dynamic Cone Penetrometer (DCP) testing to confirm and locate the weak soil zones. The section of I-275 that needed r

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