Siefert Associates, LLC has designed a temporary trestle currently in use at the Tappan Zee Bridge. The trestle was designed to support...

Tuesday, March 20, 2018 - 5:30pm to 9:00pm Bayonne Bridge Main Span Erection The Bayonne Bridge is an arch bridge spanning the Kill Van...

Siefert Associates, LLC is pleased to announce the recent promotion of Kevin O'Neill, P.E. from Senior Project Engineer to Vice...

Siefert Associates, LLC is pleased to announce the recent promotion of Fady Kari, PE from Senior Project Engineer to Vice President. Fady...

Siefert Associates, LLC is pleased to announce the recent promotion of Sean Doyle, PE to Project Engineer II. Sean has a BS in Civil...

Siefert Associates, LLC is pleased to announce the recent promotion of Dylan Allen to EIT Level II. Dylan has a BS in Civil Engineering...

Siefert Associates, LLC is pleased to announce the recent promotion of Andrew Ritter, PE from Senior Project Engineer to Vice President....