Our professional engineering consultants partner closely with clients at the county government level, helping them make informed business decisions through every phase of their project developments.
Supporting Economic Growth through Purposeful Design Strategies
We work on everything from bridge rehabilitation and inspection, provide comprehensive planning and improvement recommendations for county park facilities, and roadway, structural, and construction support services for the counties most important transportation systems. As a full-service firm, we also provide feasibility studies and prepare revitalization strategies for neighborhoods and urban areas to support economic growth and transform communities throughout the country.
Our Specialized Services
From concept development and design, through execution and project closure, our professionals navigate clients through all phases of development.
Planning & Urban Design
Discover how our planners and urban designers shape and strengthen community identity through thoughtful planning and purposeful design strategies built to support long-term resilience.
Construction Engineering & Inspection
Ensure the success of your construction projects with our reliable inspection services where our professionals prioritize safety and compliance with every project.
Structural Engineering
How our structural engineers help owners assess, rehabilitate, and build infrastructure that lasts What makes a structure last? The answer is never as simple as the materials it is made of. Loading conditions change over time, environmental exposure takes its toll, and the codes a structure was designed to meet may no longer reflect current…
Bridges
Our structural engineering experts are specialized in the design, inspection, and management of diverse structural projects and deliver top-notch results.
Highway Design
Partner with our experts for Highway Design Services that ensure safety, sustainability, and cost-efficient solutions in modern road projects.
Transportation Engineering
Discover how our experts help clients develop safe, accessible, and efficient roadway networks that connect communities and businesses nationwide.
Traffic Planning
From transportation and traffic modeling to safety studies and operational analysis, explore how our experts develop effective traffic planning strategies that support safe and efficient mobility.
TDI Engineering Team Joins Colliers Engineering & Design Through Strategic Acquisition
TDI Engineering has joined Colliers Engineering & Design; expanding structural and civil engineering services nationwide.
The Return of the Private Developer: Why the Right Civil Engineering Partner Matters More than Ever
Private developers are making a comeback. Learn how the right civil engineering partner can help navigate infrastructure, entitlements, and growth.
Navigating Federal Jurisdiction after Sackett v. EPA
Environmental expert George Buchholz explains how the Sackett ruling impacts wetland jurisdiction, permitting strategies, and site planning.
Let’s talk about your next project!
Our multidisciplinary approach to design, combined with a deep understanding of the industry and passion for innovation, has positioned us as leaders consistently delivering outstanding results in shaping the built environment.