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Quincy Engineering was born out of a strong desire to do the right thing for clients, and design the highest quality, safest bridges and roads. Since 1992, our team has grown and expanded our services, and we continue to do the right thing, having designed and delivered hundreds of projects throughout California, Oregon and Nevada.

We love what we do. There's no doubt about it. That's why it's our mission to deliver the most comprehensive, quality solutions for our clients. We're here to solve your problems. Our proactive, talented team of experienced engineers, surveyors, drafters, inspectors and support staff focuses on your needs. We believe in fostering relationships to truly understand your goals – we’re here to develop your vision and deliver your project.

In May 2019, Murraysmith and Quincy Engineering merged to enhance our technical expertise and abilities to serve our clients. As a combined firm, we currently serve dozens of local public agencies with a full range of civil engineering and planning services.

To read more about our merge, click here


developing YOUR vision | delivering YOUR project

From designing complex multi-span bridges and highway interchanges to managing multi-million dollar construction projects, Quincy Engineering takes projects from design through construction, providing a seamless, efficient experience.


"Although small by appearance, [the Bridge Street Bridge Rehabilitation] was a difficult project with plenty of challenges. The design and constructability of the project was complex and Quincy Engineering did an excellent job in providing a high quality PS&E package within budget and on an accelerated timeline. To add to the complexities, Advanced Construction was necessary to meet several project and environmental permitting objectives, and Quincy Engineering’s understanding of and relationships with Caltrans Local Assistance was instrumental in securing that authorization. Quincy Engineering’s exceptional performance continued through construction by providing collaborative and responsive direction in very rapid and unpredictable conditions.”

Jill McPeek, Capital Improvement Project Manager, City of Arroyo Grande

"As I am sure you’re well aware, selecting a consulting firm from multiple qualified candidates can be difficult. There are typically several engineering teams capable of providing technically sound designs and bid packages. What sets apart the best firms are the immeasurable qualities. Traits like responsiveness, proactive and anticipatory project management, flexibility, and good professional relationships with agency staff. This Quincy Engineering team has all of these traits, resulting in projects that have progressed remarkably smoothly despite the complexities and difficulties inherent in federally-funded bridge replacement projects.”

Ryan Hayes, Deputy Public Works Director,
City of Atascadero

"Quincy Engineering has shown our agency that it has the expertise, desire and commitment to plan, design and deliver transportation projects in a cost effective and well communicated manner. Any agency would be well-served to include Quincy as part of their transportation infrastructure planning and construction.”

Andy Newsum, Butte County Association of Governments

"My philosophy on consultants is they need to be your partner on a project; bringing to bear knowledge and expertise that your agency doesn’t possess, and Quincy has expertly performed that role in their projects with us. Their understanding of all the processes and requirements of Federal funding, along with their experience with Caltrans, has helped us complete our projects on-time and within budget. They are a great partner for us.”

Scott De Leon, Director, 
Lake County Department of Public Works

Contact Us Client

Please fill out the form below to learn more about our services or to discuss collaborating on a project.


Thank you for contacting Quincy Engineering. We will respond to your inquiry shortly.

Get in touch with our team

Bridges & Structures:


Construction Management/Engineering/Inspection:


General Information:



Rancho Cordova

11017 Cobblerock Drive, Suite 100, Rancho Cordova, CA 95670 (Map)

P: 916.368.9181 | F: 916.461.9033

Additional Quincy Offices

Walnut Creek

2950 Buskirk Avenue #122, Walnut Creek, CA 94597 (Map)

P: 925.939.7100 F: 916.461.9033


670 Hawthorne Ave. SE, Suite 110, Salem, OR 97301 (Map

P: 503.763.9995 | F: 503.763.9981



7901 Stoneridge Drive, Suite 550, Pleasanton, CA 94588 (Map)

P: 925.416.1500 | F: 916.461.9033

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