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33 Years
experience
Emergency
services
Your Trusted Engineering Partner in Raleigh, NC
Wetherill Engineering was founded in 1993 to provide structural and roadway engineering services. Over the years, we have grown into a multi-disciplinary engineering firm capable of managing projects from planning through construction administration. Headquartered in Raleigh, NC, with branch offices in Charlotte and Hickory, we serve clients throughout the Carolinas and beyond. Our firm is known for technical excellence, integrity, and a commitment to client satisfaction. We create innovative solutions that address complex engineering challenges while minimizing environmental impact. As a Small Professional Services Firm (SPSF) registered with the North Carolina Department of Transportation and HUB certified, we prioritize accessibility and quality.

Our team of engineers, planners, and technicians brings 1 to 51 years of experience, equipped with state-of-the-art tools and ongoing training. We emphasize dedication, thoroughness, and technical excellence in every project. Our approach balances community needs, environmental stewardship, and cost-efficiency. We believe each project reflects our firm's values and strive to exceed client expectations through personalized service and forward-thinking solutions.
Services
Transportation Planning Roadway Design Bridge Inspections Stormwater Management Site Development Asset Management Construction Administration
Details
  • Year established: 1993
Highlights and features
  • Woman-Owned engineering firm with specialized certifications
  • Ranked among top engineering firms in the Southeast
  • Team with 1-51 years of industry experience
  • Innovative and cost-efficient project approaches
  • Certified SPSF and HUB firm for state partnerships
Associations and certifications
  • SPSF with NCDOT
  • HUB certified with NC Department of Administration
Services
Transportation Planning
Our transportation planning services focus on efficient, safe infrastructure solutions. We handle projects from initial planning to final design, balancing community needs with environmental considerations. Our engineers create scalable designs for urban and rural areas.
Bridge Inspections
We provide comprehensive bridge inspection and maintenance services. Our team conducts routine and emergency inspections, offering repair recommendations to extend structural lifespan while ensuring safety and regulatory compliance.
Stormwater Management
Our hydraulics group specializes in sustainable stormwater solutions. Services include drainage analysis, floodplain modeling, and erosion control design, ensuring compliance with environmental regulations and minimizing project impacts.
Site Development
We deliver site design and utility layouts for residential and commercial developments. Our approach integrates grading, stormwater management, and landscape design to meet client needs while adhering to regulatory requirements.
Construction Administration
Our construction administration services ensure project execution aligns with design specifications. We provide quality control, cost management, and coordination between stakeholders throughout the construction process.
People
Greg Purvis
CEO/President
Greg Purvis leads Wetherill Engineering with over 30 years of experience in structural engineering. He oversees strategic growth and ensures technical excellence across all projects.
Erin Krayer
Vice President of Operations
Erin Krayer manages Charlotte office operations with expertise in transportation projects. She ensures quality service delivery and client satisfaction across regional infrastructure developments.
Kevin Alford
Vice President of Operations
Kevin Alford oversees Raleigh operations, bringing extensive experience in civil engineering. He focuses on maintaining technical standards and fostering client relationships in North Carolina projects.
Questions
What engineering services does Wetherill offer?
We provide transportation planning, structural design, stormwater management, site development, and construction administration services for public and private clients.
Are you certified for state contracts?
Yes, we are SPSF certified with NCDOT and HUB certified with the NC Department of Administration for state partnerships.
What geographic areas do you serve?
Headquartered in Raleigh, we serve clients throughout North Carolina, South Carolina, and the broader Southeast United States.
How experienced is your team?
Our professionals have 1 to 51 years of experience, with ongoing training and state-of-the-art tools to ensure technical excellence.
Do you handle emergency infrastructure projects?
Yes, our team provides emergency inspections and rapid-response solutions for critical infrastructure needs like bridge repairs.