Skip the navigation and jump to this page's content.

Showcase Projects

Showcase Projects

Siefert Associates, LLC has successfully completed hundreds of projects since its inception.


Below is a sample of the projects that highlight our construction engineering capabilities in action. Imagine how our abilities can make your next project successful and profitable.


Filter Projects By Type

Show All Structural Engineering Demolition Engineering Erection Engineering Geotechnical Engineering Accelerated Bridge Construction Engineering Heavy Lift and Rigging Engineering Additional Support Services
Bayonne Bridge - Replacement of Main Span Roadway & Approach Structures
Bayonne Bridge - Replacement of Main Span Roadway & Approach Structures
North Washington Street over Boston Inner Harbor
North Washington Street over Boston Inner Harbor
Rt 7 Hackensack River Wittpenn Bridge
Rt 7 Hackensack River Wittpenn Bridge
The New NY Bridge and the Former Tappan Zee Bridge
The New NY Bridge and the Former Tappan Zee Bridge

Contact Us

Copyright © 2022 Siefert Associates, LLC | Website Designed By NYN Web+Marketing | Powered By webOS