Transportation Engineering
Efficient, Compliant, Built to Last.
At Interstate Engineering, we provide structurally sound solutions for communities, agencies, and developers across the Upper Midwest. Our team delivers design, analysis, inspection, and rehabilitation services for buildings, bridges, and other critical infrastructure, whether made of concrete, masonry, steel, or timber.
We engineer with durability and safety in mind on a wide range of structures, including highway overpasses, municipal buildings, railroad grade separations, and river crossings. From foundations and reservoirs to multi-span bridge design, we bring technical expertise, regulatory understanding, and practical problem-solving to every phase of your project.
Ready To Move Your Community Forward?
Let’s build infrastructure that connects people, supports growth, and stands the test of time.
Services
Corridor Studies
Comprehensive analysis to guide transportation planning, infrastructure improvements, and long-range mobility needs
Roadway Intersection Analysis
Evaluate roadway intersection capacity to determine proper conditions and traffic control based on safety, multi-model volume, and standards
Budgeting & Planning
Cost analysis, planning, and advising to deliver cost-effective options and solutions
Street Project Design & Construction
Practical, regulation-compliant street systems for everything from small-town roads to high-traffic corridors
Highway & Bridge Design & Construction
Designing and managing the construction of highways, bridges, culverts, and storm sewers that meet safety and performance standards
Pavement Rehabilitation & Maintenance
Support for overlays, mine and blend projects, patching, crack sealing, chip sealing, and micro-surfacing to extend pavement life and reduce costs
Construction Observation
Field review, inspection, and documentation to comply with requirements, quality standards, and contract obligations
Railroad Spur Design & Construction
Customized designs to support freight operations, industrial expansion, and site-specific access
Airport Design & Construction
FAA-compliant solutions for airfield paving, drainage, and access infrastructure
Testimonials
Work With Us
1
Analyze and Plan
We assess current conditions, traffic data, maintenance challenges, and regulatory needs to build a foundation for smart decision-making.
2
Design & Coordinate
Our engineers develop tailored, regulation-compliant designs by working closely with stakeholders, communities, and agencies.
3
Build & Support
We oversee construction and provide observation services to meet safety, quality, and performance standards.
