GM2 is providing construction engineering and inspection services for this complex rehabilitation project; it entailed the construction of three temporary bridges, two over water and one over a local roadway; the conversion of a one-way road to a bi-directional road; and the rehabilitation of 10 bridges.  The project involves complex maintenance and protection of traffic requirements including the construction of a temporary bypass roadway for Route 8 NB, the development of a U-turn roadway to accommodate highway traffic when interchange ramps are closed for rehabilitation and the selective use of temporary movable barrier to improve safety and facilitate bridge rehabilitation production during night time lane closures.  Typical rehabilitation work involves both superstructure/substructure repairs and reconstruction. Common superstructure repairs include stripping the existing overlay, rehabilitation of the concrete bridge decks with partial and full depth patching, placement of new waterproofing membrane and overlay, steel repairs to mitigate corrosion and re-establish section loss, and bridge bearing/expansion joint replacement. Common substructure repairs include abutment/pier Class S Concrete patching.

GM2 is the prime contract holder for construction engineering and inspection services for this $148M construction project. The project includes major improvements on a 1.3-mile stretch of I-95, including reconfiguring the Exit 74 interchange, adding full length acceleration lanes, and changing the number of crashes in the area to allow traffic to move more safely and freely. On Route 161, the project includes adding sidewalks and shoulders which will improve pedestrian and bicyclist safety and mobility. The bridge over Route 161 will also be replaced and the vertical clearance issues will be eliminated.

This major interchange reconfiguration project includes a collector-distributor system along I-295. The asphalt and concrete riding surfaces are constructed on engineered embankments. The work includes numerous drainage structures and erosion control devices, significant maintenance and protection of traffic, signage, ITS and lighting structures.