Siefert Associates, LLC (SA) recently completed the design of a 15 ft. high reinforced sloped embankment to support a new Shared Use Path...

Siefert Associates, LLC was a platinum sponsor of the third annual Bridge To Cure Pre-Holiday Charity Event held November 19th at Wykagyl...

Siefert Associates, LLC is currently providing Construction Engineering services to IEW Construction Group for New Jersey Turnpike...

Siefert Associates, LLC is pleased to sponsor this year’s Bridge To Cure annual Pre-Holiday Party! Bridget To Cure, Inc., founded by...

Siefert Associates, LLC recently provided design services for a temporary roadway alignment as part of CT DOT’s Resurfacing, Bridge and...

Siefert Associates, LLC designed a support of excavation [SOE] system for a project beneath an existing, and active LIRR bridge at 69th...

Siefert Associates, LLC, completed a Geotechnical Investigation in August, 2021, for a proposed permanent watch tower project, located in...