Route 7 (Wittpenn Bridge)


• Route 7 (Wittpenn Bridge) Contract #4 over the Hackensack River

• Proposed replacement of both Geofoam & Expanded Shale lightweight fill

• Test Strip of 450 CY completed in October 2017

• 22” of compacted UL-FGA, Topped with 14” DGA Subbase and Pavement section.

• Pavement has been monitored via survey since installation and shows no movement.

• Contractor very happy with installation of UL-FGA.

• Subbase placed, compaction of subbase above UL-FGA achieved with no issues.

• Paved, trafficked, monitored.

• Since this install, DOT & Contractor reviewing designs to include the use of UL-FGA in other locations as well.