Flashback Friday - Moses Wheeler Bridge
In 2009, the full replacement of the Moses Wheeler Bridge carrying I-95 over the Housatonic River between Stratford and Milford, CT began...
Raritan River Bridge Replacement
Work has begun at the Raritan River Bridge Replacement in Perth Amboy, New Jersey, beginning with construction of the trestles designed...
Westchester Avenue
Siefert Associates, LLC is working with Judlau Contracting Inc. on the rehabilitation of Westchester Avenue over the Hutchinson River...
Boston’s South Station Project
Siefert Associates, LLC was awarded a contract by Berlin Steel at the South Station project in Boston, MA to help complete aspects of the...
Flashback Friday: The New NY Bridge
In 2013 Siefert Associates, LLC provided construction engineering services to Tappan Zee Constructors, LLC for the construction of what...
GLX Community Path Shoring Tower Design
Siefert Associates, LLC continues to provide GLX Constructors with design services, for the Green Line Extension project in Somerville,...
Roslyn Viaduct
In 2010, Siefert Associates, LLC completed work for the Roslyn Viaduct Bridge Project, a full replacement of the existing Rte. 25A...
Gordie Howe International Bridge
In September 2020, Siefert Associates, LLC was selected by BNA Constructors to design a custom lifting frame for inclined C-shaped rebar...
LaGuardia Airport – Tower Crane Foundation
Siefert Associates, LLC provided tower crane design services to Stonebridge Steel Erection to facilitate the new concourse construction...
Route 7 Hackensack River Wittpenn Bridge
Siefert Associates, LLC was awarded a contract by Atlantic Coast Dismantling to demolish the Wittpenn Bridge. The vertical-lift bridge...
