Acrow Bridge over the Hutchinson River Parkway
Siefert Associates, LLC was contracted by Tyrek Heights Erectors to provide an engineered lift plan for the erection and launch of an...
Freedom Tower (2007-2010)
From 2007 to 2010, Siefert Associates, LLC provided demolition & erection plans to Skanska USA, slurry wall analysis, permanent splice...
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...
Raritan River Bridge Replacement
Siefert Associates, LLC has been providing structural and geotechnical engineering services such as bulkhead design, trestle design, and...
Harbor Brook Overflow Culvert at Amtrak Railroad
Siefert Associates, LLC provided support of excavation design services to Empire Paving to facilitate the construction of drainage...
North Washington Street Bridge Demolition
Atlantic Coast Dismantling has recently completed the removal of the swing span trusses of the historic North Washington Street Bridge in...
Continuing Education Virtually
Siefert Associates has been taking advantage of the virtual continuing education opportunities available! This week, our Structural...
Curved Girder Bridge Erection Virtual Seminar
Siefert Associates, LLC has teamed up with Collins Engineering, presenters Michael Garlich and Michael Haas, to provide a monthly virtual...
