riprap installation cost estimate
Erosion Control Costs. The cost of riprap varies depending on location and the type of material selected. A cost of $35 to $50 per square yard of nongrouted riprap can be used as a basic quote, while grouted riprap ranges from $45 to $60 per square yard.These costs will depend on the availability of resources, accessibility and total area to be covered. cost of $35 to $50 per square yard of nongrouted riprap can be used as a basic quote, while grouted riprap ranges from $45 to $60 per square yard.