Business Details
50 Years
experience
Trusted Civil Engineering Services in the Great Plains
Interstate Engineering has been delivering sustainable, high-performance civil engineering, surveying, and planning services for over 40 years. Our multi-discipline network of professionals collaborates with clients to identify challenges, assess feasibility, secure funding, prepare designs, and oversee construction. We prioritize integrity, quality, and loyalty, serving rural cities, urban areas, water resource districts, tribal communities, and private developers.Our regional presence ensures localized solutions while leveraging a broad network of expertise. As an employee-owned company, we align our success with client satisfaction, fostering long-term relationships and community-driven outcomes.
Services
Engineering
Surveying
Planning
GIS
Hydrology & Hydraulics
Land Surveying
Oilfield Planning
Project Management
Structural Engineering
Water Systems
Details
- Year established: 1976
Highlights and features
- 40+ years of experience in civil engineering and planning
- Multi-discipline team with regional and technical expertise
- Client-focused approach ensuring tailored solutions
- Employee-owned structure aligning client and company success
- Proven track record in securing project funding
Services
Civil Engineering
Our civil engineering services encompass infrastructure design, project feasibility analysis, and construction oversight. We specialize in municipal, transportation, and water systems projects, ensuring compliance with regulatory standards. Our team delivers cost-effective solutions tailored to client needs, leveraging over four decades of regional expertise to address complex challenges in the Great Plains region.
Land Surveying
Land surveying services include boundary determination, topographic mapping, and construction staking. We utilize advanced technologies for precise data collection and legal documentation. Our licensed professionals provide accurate land information critical for development projects, ensuring alignment with municipal codes and environmental regulations across five states.
Community Planning
Community planning services focus on sustainable growth strategies, zoning updates, and infrastructure development. We facilitate public engagement to create comprehensive plans reflecting local priorities. Our expertise spans municipal, tribal, and rural planning, integrating GIS data to guide long-term economic and environmental resilience in the Great Plains.
Water Systems
Water systems engineering addresses municipal and rural water supply, wastewater management, and stormwater solutions. We design infrastructure improvements and secure funding for system upgrades. Our team specializes in hydraulic modeling and regulatory compliance, ensuring reliable, sustainable water resources for communities facing evolving environmental challenges.
GIS Mapping
GIS mapping services support data-driven decision-making for infrastructure and environmental projects. We create spatial analyses and visualizations for land management, utility planning, and hazard mitigation. Our certified professionals integrate geospatial data into client workflows, enhancing project efficiency and regulatory reporting across diverse sectors.
People
Lonni Fleck
Chief Executive Officer
With over 20 years in civil engineering, Lonni Fleck leads Interstate Engineering's strategic growth. Her expertise in infrastructure projects and client relationship management drives innovative solutions. Lonni prioritizes community impact, fostering a culture of collaboration and technical excellence across the firm's regional offices.
Travis Dillman
Chief Growth Officer
Travis Dillman oversees business development and client relations with 25+ years of engineering experience. He specializes in water systems and municipal infrastructure, focusing on rural community needs. Travis mentors emerging professionals while maintaining active involvement in regional engineering associations and community initiatives.
Rachel Laqua
Planning Director
Rachel Laqua leads the planning group with expertise in long-range development and public engagement. Her work includes comprehensive plans and zoning reforms for municipalities. Rachel emphasizes sustainable growth strategies, leveraging her master's in urban planning to guide communities in balancing economic development with environmental stewardship.
Adam Thompson
Survey Group Leader
Adam Thompson manages survey operations across five states, specializing in boundary analysis and construction staking. A licensed professional surveyor, he integrates emerging technologies to enhance accuracy and efficiency. Adam's leadership ensures high-quality land data delivery for diverse projects, from municipal improvements to energy sector developments.
Cody Galloway
Hydrology & Hydraulics Leader
Cody Galloway directs water resource projects, including floodplain analysis and stormwater management. His engineering and surveying background supports integrated solutions for municipal and rural clients. Cody's technical proficiency in hydraulic modeling ensures resilient infrastructure design, addressing climate challenges in the Great Plains region.
Questions
What geographic areas does Interstate Engineering serve?
We operate across the Great Plains region, including North Dakota, South Dakota, Montana, Minnesota, and Wyoming.
What engineering disciplines does the company specialize in?
Our core disciplines include civil engineering, structural engineering, water systems, transportation, and geotechnical engineering.
How does Interstate Engineering handle project funding challenges?
We assist clients in identifying and securing funding sources through grant writing, federal programs, and strategic partnerships.
Are your professionals licensed and certified?
Yes, our team includes licensed engineers, land surveyors, certified planners, and specialists with industry-recognized credentials.
Can you provide examples of completed infrastructure projects?
We've completed airport improvements, municipal water systems, road construction, and community development projects across five states.
How does the company approach client collaboration?
We prioritize direct client engagement from project inception to completion, ensuring solutions align with community needs and budget constraints.