Cotton, Shires and Associates, Inc. (CSA) is a professional geotechnical consulting firm providing services to a wide variety of clients, throughout the western United States.
For over four decades, the success of Cotton, Shires and Associates, Inc. has been built through the talent and skill of our professional staff, the confidence of our clients and the respect of the geotechnical community. Our corporate philosophy of combining commitment, motivation, teamwork and accomplishment has helped us establish a strong reputation of providing innovative solutions to unique problems.
CSA specializes in slope stability characterization and analysis, as well as the preparation of detailed drawings and specifications for the construction of necessary slope stabilization measures. We have developed a specialty in this field through years of project experience that includes analyses and design for many roadway repairs, dams, levees, and streambanks as well as complete engineering analysis of many significant and devastating landslides in the United States. Our firm has extensive experience in all phases of slope instability problems, from surveying and mapping of relevant geologic and topographic conditions, to slope stability analysis and civil design and implementation of engineered solutions.