PEOPLE YOU CAN TRUST
Interstate Engineering has been delivering sustainable, high-performance civil engineering, surveying, and planning services for over 40 years. Our multi-discipline network of professionals can design, contract, and supervise projects throughout the great plains region.
With the economical, social, and technological changes driving the industry, Interstate Engineering continues to be on the leading edge of challenges, finding solutions that fit the needs and budgets of any project and for every client.
Depth of experience comes from a diverse cross-section of market knowledge. Serving public and private clients, listening to their needs, and offering solutions that meet those requirements, our team of experts has experience that is both broad and deep.
Zach Grapentine recently fulfilled his South Dakota Professional Engineering License requirements, earning the PE designation by the South Dakota State Board of Technical Professions. Grapentine is a highly skilled engineer focusing on traffic and municipal engineering. He holds a Bachelor of Science Degree in Civil Engineering from South Dakota School of Mines and Technology. Interstate Engineering is also pleased to announce the promotion of Grapentine to Assistant Office Manager for the Spearfish team. “Zach is ideal for the Assistant Manager position as he has a strong desire to learn, sets high standards for himself and others, and wants the entire…