Vonarx Engineering

Who We Are

VonArx Engineering is a trusted civil and structural engineering firm based in Jefferson County, Missouri. Founded on the values of honesty, integrity, and experience, we have been serving both public and private clients throughout Missouri for over 40 years. Our team of passionate engineers and professionals are dedicated to providing personalized, cost-effective, and high-quality engineering solutions to solve your unique challenges.

What We Do

We offer a comprehensive range of services designed to meet your diverse needs in transportation engineering, storm water management, site development, structural design, and infrastructure improvement.

Transportation Engineering

• Traffic analysis and design
• Intersection and roundabout design
• Pavement design and rehabilitation

Storm Water Management & Design

• Stormwater drainage system design
• Flood mitigation plans
• Green infrastructure solutions

Residential & Commercial Site Development

• Site planning and development
• Grading and drainage design
• Utility coordination and installation

Structural Design

• Structural analysis and design of buildings and infrastructure
• Bridge and culvert design
• Foundation and building design

Sewer & Water Systems

• Water supply system design and construction
• Wastewater collection and treatment system design
• Leak detection and repair

Structural Inspections

• Bridge and infrastructure inspections
• Building and foundation inspections
• Structural damage assessment

Our Approach

At VonArx Engineering, we take a client-centered approach to every project. We listen carefully to your needs and concerns, and work collaboratively with you to develop solutions that meet your specific requirements. We prioritize open communication, transparency, and cost-effectiveness throughout the process. Our experienced team is committed to exceeding your expectations and delivering high-quality work on time and within budget.