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County Road #1 - Kandiyohi County, Minnesota

   

When heavy sugar beet and grain trucks precipitated a premature breakdown of County Road #1, county engineers turned to Multi-Flow for a premium drainage job. Water had been seeping through the road surface. Heavy truck traffic caused a pumping action that washed the fine particles out of the base resulting in voids and instability.

18-inch Multi-Flow was trenched into the gravel shoulder along the southbound lane, the lane used by loaded sugar beet trucks. The top of the pipe was situated 8 inches below the surface. Outlets to the ditch were installed every 350 feet.

Ten years later the trucks were still rolling on the same surface.