U.S. 21 Harbor River Bridge Replacement
For more than 80 years, the US 21 Harbor River Bridge was the only way to access a string of three barrier islands on the South Carolina coast. It was also the only hurricane evacuation route available to the several thousand people who call Fripp and Harbor Island home. Over the years the low swing-span […]
Hampton Roads Bridge-Tunnel Expansion
The Hampton Roads Bridge-Tunnel crosses a portion of the Chesapeake Bay to connect Norfolk, Virginia with Newport News. Unfortunately, in recent years it became a choke point for commuters and travelers on I-64 between Virginia Beach and Richmond or Washington D.C. to the north, with more than 100,000 vehicles using the bridge-tunnel daily. In 2020, […]
York Street Sewer Pump Station
Springfield, Massachusetts needed a new pump station to transfer wastewater from the community to the Springfield Regional Wastewater Treatment Facility across the Connecticut River. Existing infrastructure wasn’t keeping up with the region’s growing needs, and a proposed $115 million project would convey approximately 70 percent of the region’s wastewater across the river for treatment via […]
HDD for Gulfstream Natural Gas—Phase IV
GeoEngineers provided expert geotechnical engineering and horizontal directional drilling (HDD) design and construction consulting services for five HDD installations along the Bartow Lateral pipeline in the waters of Tampa Bay. The HDD installations were part of 17.74 miles of new 20-inch-diameter pipeline connecting the Bartow Power Plant to an existing 36-inch-diameter Gulfstream pipeline. The pipeline […]
Directional Microtunnel Design for I-84 Pipeline Crossing
The Tennessee Gas Pipeline Company, LLC (Tennessee Gas), a Kinder Morgan Company, needed to increase the capacity of its pipeline system to serve the growing demand for interstate natural gas transmission service in the Northeast. As part of the upgrade, a 30-inch-diameter steel pipeline crossing was required at Interstate 84 and US Highway 6 near […]
Gulfstream Natural Gas/HDD Design and Construction
GeoEngineers provided expert geotechnical engineering and horizontal directional drilling (HDD) design and construction consulting services for three crossings along the proposed Phase III expansion of the current Gulfstream Natural Gas pipeline system in Florida. The HDD installations were part of 34 miles of new 30-inch-diameter pipeline. The three HDD crossings the team designed were located […]
US 17 Farrow Parkway Bypass
In 2010, GeoEngineers provided geotechnical services for a $120 million interchange at the intersection of US 17 and Farrow Parkway/SC 707 in Myrtle Beach, South Carolina. The South Carolina Department of Transportation (SCDOT) wanted to replace the existing at-grade intersection with two 1,250-foot-long bridges and associated access ramps, and GeoEngineers provided services as a subconsultant […]