What is the lifespan of rip rap?

The lifespan of riprap, which is rock or concrete used for erosion control, can vary significantly depending on factors like material type, environmental conditions, and maintenance. Generally, properly installed riprap can last anywhere from 20 to 50 years or more. However, extreme weather events, water flow rates, and the presence of vegetation can impact its durability and effectiveness over time. Regular inspections and maintenance can help extend its lifespan.