Brooklyn Bridge - Rehabilitation of Approach Arches
Siefert Associates, LLC provided design services for Navillus MLJ JV in support of the rehabilitation of the approach arches of the...
Flashback Friday: Alexander Hamilton Bridge Rehabilitation
In 2012, Siefert Associates, LLC provided construction engineering services to Halmar International and China Construction America Inc....
Kew Gardens Interchange
In October of 2020, Halmar International removed the existing KC Ramp deck superstructure, as part of the Kew Gardens Interchange...
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...
Roslyn Viaduct
In 2010, Siefert Associates, LLC completed work for the Roslyn Viaduct Bridge Project, a full replacement of the existing Rte. 25A...
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...