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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.


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Show All Structural Engineering Demolition Engineering Erection Engineering Geotechnical Engineering Accelerated Bridge Construction Engineering Heavy Lift and Rigging Engineering Additional Support Services
Alexander Hamilton Bridge & Highbridge Interchange Ramps Rehabilitation
Alexander Hamilton Bridge & Highbridge Interchange Ramps Rehabilitation
Bayonne Bridge - Replacement of Main Span Roadway & Approach Structures
Bayonne Bridge - Replacement of Main Span Roadway & Approach Structures
Emergency Declaration for SR 860 Culvert Failure
Emergency Declaration for SR 860 Culvert Failure
Green Line Extension Design Build Project
Green Line Extension Design Build Project
North Washington Street over Boston Inner Harbor
North Washington Street over Boston Inner Harbor
Reconstruction of Henry Hudson Bridge Toll Plaza & Lighting
Reconstruction of Henry Hudson Bridge Toll Plaza & Lighting
Reconstruction of I-84 - City of Waterbury
Reconstruction of I-84 - City of Waterbury
Repair/Rehabilitation of East Cambridge (Lechmere) Viaduct
Repair/Rehabilitation of East Cambridge (Lechmere) Viaduct
Replacement of Kosciuszko Bridge over Newtown Creek
Replacement of Kosciuszko Bridge over Newtown Creek
Throgs Neck Bridge - Replacement of Roadway Deck in Suspended Spans
Throgs Neck Bridge - Replacement of Roadway Deck in Suspended Spans
West Thames Pedestrian Bridge
West Thames Pedestrian Bridge
World Trade Center
World Trade Center

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