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Toledo, OH
Concrete Cloth™: Slope Protection

Project Overview

In September 2015, the Ohio Department of Transportation (ODOT) found that flood flows were causing erosion of the foundation slope near the columns below a two-lane roadway bridge on Ohio State Route 579 in Toledo, Ohio. This area was also exposed to runoff from bridge drainage. The ODOT considered lining the slope with riprap, but access to the slope was limited and the department did not want to disrupt traffic on the two-lane road. The option to add vegetation to the slope was also considered, but it was deemed impractical because of the excessive shade under the slop that could prevent it from growing and would ultimately require continued maintenance.

The maintenance division had the responsibility of constructing the repair, which had already been designed, incorporating Concrete Cloth GCCM, by EMH&T and Ohio State University (OSU) through a grant from the ODOT Research Division. Dan Mecklenburg, an ecological research engineer in the School of Environmental and Natural Resources at OSU, helped the crew interpret the designs.

"I hadn't worked with [Concrete Cloth GCCM] before this project, so I reviewed installation videos online prior to going onsite," said Mecklenburg. "I was intrigued by the material and liked that it seemed easy to maneuver."

Read the full case study here.

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