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Your Trusted Civil Engineering Partner in Oklahoma City
Triad Design Group has been a leader in civil engineering and architectural design services for over five decades, serving clients across Oklahoma. Our expertise spans transportation infrastructure, municipal projects, environmental solutions, and architectural planning, with a focus on innovative designs that enhance community functionality and safety. In 2020, our core team transitioned to TEIM Design, a new entity maintaining the same staff, location, and commitment to quality while expanding capabilities in transportation, environmental, infrastructure, and municipal engineering.

We specialize in complex projects such as highway and bridge design, public works development, and stormwater management systems, prioritizing client satisfaction through technical excellence and collaborative problem-solving. Our legacy of integrity and forward-thinking design has earned us a trusted reputation and a diverse client base that continues to grow.
Services
Transportation Design Municipal Projects Environmental Engineering Architectural Planning Stormwater Management Bridge Construction Highway Development Railroad Underpasses Public Infrastructure Land Use Planning
Highlights and features
  • We offer 50+ years of experience in Oklahoma civil engineering projects.
  • Our team maintains seamless continuity through the TEIM Design transition.
  • Specialized expertise in transportation infrastructure and stormwater management.
  • Proven track record with complex municipal and environmental projects.
  • Client-focused approach prioritizing technical excellence and community impact.
Services
Transportation Design
Our transportation design services focus on highway, bridge, and intersection improvements that enhance safety and traffic flow. We specialize in complex corridor developments like the Covell Road project, incorporating grade separations and multi-use paths. With decades of experience, we deliver solutions that meet ODOT standards while minimizing community disruption.
Municipal Projects
We design infrastructure solutions for municipal clients including roadway reconstruction, stormwater systems, and public facility planning. Our work on Oklahoma's Covell Road Corridor demonstrates expertise in coordinating with local governments to implement long-term urban development plans that balance growth with environmental considerations.
Environmental Engineering
Our environmental engineering services address stormwater management and infrastructure sustainability. The Covell Road underpass project exemplifies our innovative approach, using gravity drainage systems to eliminate costly pumping requirements while maintaining natural water flows, demonstrating our commitment to environmentally responsible design.
Architectural Planning
We provide architectural planning for public facilities and mixed-use spaces that integrate functionality with aesthetic considerations. Our designs emphasize energy efficiency and long-term usability, as seen in projects like the OCCC VPAC Center Theater and Grace Living Centers developments across Oklahoma.
Railroad Underpasses
Specializing in railroad underpass design, we deliver solutions like the BNSF Overpass on Covell Road featuring 125' steel trusses and multi-purpose trails. Our engineering expertise ensures safe, durable infrastructure that accommodates both vehicular traffic and pedestrian needs while meeting strict regulatory requirements.
People
Joe Davis
Principal Engineer
With over 30 years of experience, Joe Davis leads TEIM Design's engineering team. As a licensed Professional Engineer, he specializes in transportation infrastructure and has managed Oklahoma's most complex roadway projects, including the Covell Road Corridor development.
Josh Johnston
Equity Member
Josh Johnston brings extensive municipal engineering expertise to TEIM Design. As a licensed P.E., he focuses on public works projects that balance community needs with technical requirements, contributing to Oklahoma's infrastructure development for two decades.
Shay Smith
Equity Member
Shay Smith specializes in environmental engineering solutions at TEIM Design. With a background in sustainable infrastructure, this licensed P.E. develops innovative stormwater management systems and leads environmental compliance efforts for major transportation projects across Oklahoma.
Questions
What services does Triad Design Group specialize in?
We specialize in civil engineering and architectural design for transportation infrastructure, municipal projects, environmental systems, and public works throughout Oklahoma.
What is TEIM Design's relationship to Triad Design Group?
TEIM Design is a new company formed in 2020 by Triad's former partners and staff, continuing to provide all design services for Triad projects.
What makes Triad's approach unique?
Our engineers focus on innovative solutions that integrate technical excellence with community needs, exemplified by projects like the Covell Road underpass gravity drainage system.
Which Oklahoma regions does Triad serve?
We primarily serve Oklahoma City, Edmond, and surrounding areas with transportation corridors and municipal infrastructure projects.
What notable projects has Triad completed?
Key projects include the Covell Road Corridor development, BNSF Railroad underpass design, and multiple Oklahoma transportation and public works initiatives.