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Engineering
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Our professional engineers work with you to identify challenges, assess feasibility, find funding, prepare the design, and oversee construction.

Surveying
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Surveying involves legal research, deed analysis, boundary recognition, and data analysis. We provide valuable land information to clients.

Planning
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The collaborative planning process works towards creating dynamic spaces and encouraging community growth and pride.

40+ YEARS
OF EXPERIENCE
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PROFESSIONALS YOU NEED
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.

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SECTORS

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.

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We are part of each community we serve, offer support and truly understand the needs.

Do You Have A
SURVEYING Project
We Can Help With?
DO YOU NEED HELP SURVEYING?
OFFICES IN FIVE STATES
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Our wide network of resources ensures that our service produces solutions for your project no matter how big or small, while still leveraging a local know-how.
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Our Projects
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take a look at some OF OUR amazing projects
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Jamestown Airport
Jamestown Airport

This project included three sections, all with the goal of overall improvement at the Jamestown Regional Airport in Jamestown, North Dakota.
Hermosa
Hermosa

Finding funding sources is a constant challenge small communities face.
Fergus Falls Library Expansion
Fergus Falls Library Expansion

The City of Fergus Falls recently completed a $9.4 million expansion of the public library.
Sidney Circle Water System Improvements
Sidney Circle Water System Improvements

Dry-Redwater Regional Water Authority (DRWA) has been expanding its presence in Richland County since the completion of their first project south of Sidney in September 2014.
GIS
GIS

Interstate Engineering is no stranger to Geographical Information Systems (GIS).
Rugby Water Treatment Plant Improvements
Rugby Water Treatment Plant Improvements

Finding funding sources is a constant challenge small communities face.
North Prairie Water District Improvements
North Prairie Water District Improvements

Finding funding sources is a constant challenge small communities face.
Glendive Sidewalk, Curb, & Gutter Improvements
Glendive Sidewalk, Curb, & Gutter Improvements

Finding funding sources is a constant challenge small communities face.
Pioneer Road
Pioneer Road

Finding funding sources is a constant challenge small communities face.
A Living Water Model
A Living Water Model

Finding funding sources is a constant challenge small communities face.
Growth Continues in Horace
Growth Continues in Horace

Finding funding sources is a constant challenge small communities face.
Crestwood Bear Den II Gas Plant
Crestwood Bear Den II Gas Plant

Finding funding sources is a constant challenge small communities face.
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Recent News
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Zach Grapentine PE Post
29 Dec: Zach Grapentine Earns South Dakota Professional Engineer License and Promotion

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…

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