Siefert Presents!
These past couple of months, Siefert Associates’ staff has kept busy with presentations. Early in March at the ASCE Construction...
Governor Mario M. Cuomo Bridge
In April 2019, Tappan Zee Constructors’ crews successfully installed the 200-foot super gantry at the Mario M. Cuomo Bridge over NY’s...
LaGuardia Airport
Siefert Associates continues to provide construction engineering services at LaGuardia Airport in Queens, NY for Skanska Walsh JV....
Bridge Replacement
SPS New England is continuing to make progress on the I-495 bridge replacement in Haverhill, MA. Temporary support towers on the north...
North Washington Street Bridge
Siefert Associates continues to provide construction engineering services to Atlantic Coast Dismantling for the demolition of the main...
Restani Construction Corporation – Henry Hudson Bridge
Restani Construction has started the upper level deck removal of the Henry Hudson Bridge in New York City utilizing Siefert Associates,...
ACD/EIG JV – Bayonne Bridge
On the weekend of January 19th – 21st, Atlantic Coast Dismantling / Environmental & Infrastructure Group, JV (with the help of GCCOM...
Restani - Henry Hudson Bridge
January 2018: Siefert Associates, LLC continues to provide on-site engineering support for Restani Construction Corporation at the Henry...
I-84 Constructors - Bridge Erection
In February 2018, I-84 Constructors' crews successfully erected the girders of Hamilton Avenue over I-84 (site 1) in Waterbury, CT per...
Tappan Zee Bridge Trestle Design
Siefert Associates, LLC has designed a temporary trestle currently in use at the Tappan Zee Bridge. The trestle was designed to support...
