Tappan Zee Bridge Replacement

GPI is providing independent quality assurance services for design and construction on this $3.14 billion bridge replacement project of the Tappan Zee Bridge over the Hudson River. More »

Shippensburg University Student Housing

As a part of a design build development team , GPI provided all engineering services for a two phase 1,850 bed student housing project on the campus of Shippensburg University in southwest Pennsylvania. More »

North Bank Pedestrian Bridge at Night in Boston, MA

As part of a joint venture team, GPI served as the lead firm overseeing the design and construction of the 2013 ACEC award winning North Bank Bridge and Park project. More »

First Coast Expressway, Northeast Florida

The First Coast Expressway is a new multi-lane limited access toll facility that will eventually connect Interstate 95 in northern St. Johns County to Interstate 10 in western Duval County. More »

Bayonne Bridge Navigational Clearance Program

GPI is providing construction management services for the $743-million Bayonne Bridge Navigational Clearance Program (BBNCP). More »


Featured Project

Ironton-Russell Bridge Construction Inspection Services

Ironton-Russell Bridge Construction

Ironton-Russell Bridge Construction

GPI is providing Construction Inspection services for the construction of the new cable-stayed bridge over the Ohio River for the Ohio Department of Transportation. The project calls for the relocation of the bridge that connects Ironton, Ohio, with Russell, Kentucky, by relocating it between Second and Jefferson streets in downtown Ironton and the U.S. 23 viaduct south of Russell.  Read More.

Acquisition News

GPI Introduces Landscape Architecture / Urban Planning Services.


ORW Landscape Architects & Planners

GPI announces the acquisition of White River Junction, Vermont based ORW Landscape Architects and Planners, an urban design, planning and landscape architecture firm providing sustainable solutions to private development, transportation and public sector clients. Read More.