At GRI, we provide a full range of geotechnical, pavement, and geologic services tailored to support resilient, cost-effective, and constructible project outcomes. With more than 8,000 projects delivered across the Pacific Northwest and beyond, our work is grounded in practical experience and technical rigor. Our work supports infrastructure that performs reliably—whether it’s a transportation […]
For over four decades, GRI has proudly partnered with the Port of Portland, providing geotechnical and pavement engineering services at Portland International Airport and the surrounding port facilities. Our long-standing relationship is built on a foundation of trust, reliability, and a shared commitment to excellence. Throughout these years, we have delivered tailored solutions that address […]
A field staff engineer stands near the bottom of a steep precipice, looking intently at their tablet they hold in front of them. With a few taps on the screen, there is a light whirring sound and a drone with multiple spinning rotors slowly approaches the ground in front of the engineer and lands with […]
In 2016, the OSU president as part of the Marine Science Initiative Program announced that they were bringing on a team to design a groundbreaking research facility to withstand a magnitude 9.0 earthquake and tsunami. A first for the engineering community and model for the industry, the building demonstrates how a multi-disciplinary team of university […]
Through an on-call contract with the Port of Vancouver USA, GRI conducted a pavement evaluation at Terminal 2 to develop rehabilitation and reconstruction recommendations for approximately 6.5 acres of asphalt pavement. The pavement rehabilitation analysis was conducted to estimate the structural strengthening requirements based on the existing pavement structural capacity, the subgrade support conditions, and […]
ASCE recently published an article in Civil Engineering Magazine about efforts the engineering community is making to protect coastal communities in tsunami inundation zones. The article highlights the innovative tsunami-resistant design of the Oregon State University Marine Studies Initiative Building—currently under construction in Newport, Oregon. GRI had the opportunity to conduct a subsurface exploration program […]
The Port of Toledo Boatyard is owned and operated by the Port of Toledo, Oregon. The Boatyard is located just over 7 miles east of Newport, Oregon, on the Yaquina River and is quickly becoming Oregon’s premier service and repair facility with the addition of a new 660-ton mobile lift. The new haul-out structure consists […]
The ground breaking ceremony for the Vancouver Waterfront Park – Grant Street Pier took place on July 18, 2016, and commenced Phase I of park construction for this project, which has been in the making for more than 10 years. The renovations will reconnect downtown Vancouver to the Columbia River and inspire a new vivacity in the Vancouver […]
The Flat Plate Dilatometer test (DMT) can be used to investigate soil properties and has many applications in geotechnical engineering. Dilatometer testing has several benefits compared to other standard-of-practice in situ methods, such as the Standard Penetration Test (SPT) and Cone Penetration Test (CPT). Benefits of the DMT include the direct measurement of the small strain […]
