Throgs Neck Bridge
In 2011, Siefert Associates, LLC assisted EE Cruz & Company with the rehabilitation of the Throgs Neck Bridge. The project involved the...
Roslyn Viaduct
In 2010, Siefert Associates, LLC completed work for the Roslyn Viaduct Bridge Project, a full replacement of the existing Rte. 25A...
Freedom Tower (2007-2010)
From 2007 to 2010, Siefert Associates, LLC provided demolition & erection plans to Skanska USA, slurry wall analysis, permanent splice...
