Call Now
Website
Call
Business Details
26 Years
experience
Emergency
services
Expert Construction Engineering Solutions
Siefert Associates has been a leader in construction engineering since 2000, driven by a passion for solving complex infrastructure challenges. Our team of 35+ professionals combines deep industry experience with innovative engineering solutions tailored to each project's unique requirements. Founded by Vincent Siefert, a seasoned construction engineer with decades of field experience, we specialize in creating contractor-friendly working drawings, advanced modeling, and temporary support systems that prioritize safety and efficiency. Our core values of honesty, integrity, and work-life balance guide every client relationship, ensuring we deliver on-time solutions that meet budgetary and operational demands. With offices in Connecticut and New York, we serve clients across North America through a network of licensed professionals in multiple states. Our expertise spans structural engineering, geotechnical analysis, and accelerated bridge construction, supported by a proven track record of completing hundreds of high-profile infrastructure projects.

We maintain direct communication channels with clients, offering 24/7 responsiveness to address urgent needs during critical project phases. Our commitment to quality is demonstrated through streamlined approval processes for our detailed technical documentation and rigorous structural analysis during all construction phases. By fostering a culture of innovation and continuous learning, we empower our engineers to develop creative means-and-methods solutions for temporary works, rigging design, and complex demolition/erection plans. This client-centric approach has established us as a trusted partner for contractors undertaking large-scale infrastructure improvements nationwide.
Services
Structural Engineering Demolition Engineering Erection Engineering Geotechnical Engineering Bridge Construction Rigging Engineering Temporary Support Design Accelerated Bridge Construction Construction Sequencing Structural Analysis
Details
  • Year established: 2000
Highlights and features
  • We provide 24/7 client responsiveness for urgent project needs
  • Our team delivers on-time solutions for complex infrastructure projects
  • We produce contractor-friendly working drawings with rapid approval processes
  • Our engineers have decades of hands-on construction industry experience
  • We maintain licensed professionals in multiple states across North America
Services
Structural Engineering
Our structural engineering services focus on developing innovative means-and-methods solutions for complex construction projects. We create detailed working drawings and perform advanced structural analysis to ensure safe, efficient execution of large-scale infrastructure improvements. Our engineers specialize in designing temporary support systems and rigging solutions tailored to each project's unique site conditions and budgetary requirements.
Demolition Engineering
We provide comprehensive demolition engineering solutions including staged removal plans and structural analysis for safe dismantling operations. Our team designs specialized rigging systems and temporary bracing to ensure controlled demolition of bridges, buildings, and other infrastructure while maintaining safety for workers and surrounding environments.
Bridge Construction
Our bridge construction expertise covers accelerated bridge construction methods and temporary support systems. We design innovative solutions for bridge replacements, including self-propelled modular transporter arrangements and specialized lifting frames for complex structural components like asymmetric rebar cages and curved steel girders.
Geotechnical Engineering
We conduct thorough geotechnical analysis to support foundation design and temporary support systems. Our services include designing deep micro-pile foundations, soil nail walls, and geosynthetic reinforced earth systems to address challenging subsurface conditions encountered during infrastructure projects.
Rigging Engineering
Our rigging engineering services develop specialized lifting plans for heavy construction components. We design custom rigging systems and perform detailed dimensional assessments to ensure safe crane operations, including complex lifts for bridge segments, rebar cages, and structural steel components in constrained environments.
People
Vincent Siefert
President & CEO
Founded Siefert Associates in 2000 after 13 years with contractors, rising to General Superintendent managing 100+ personnel. Developed expertise in construction engineering through 21 years of infrastructure projects across North America.
Scott Halsey
Executive Vice President, COO
26-year transportation infrastructure veteran with experience at top firms like Kiewit and HNTB. Manages operations, business development, and executive support for complex projects. Holds Master's in Structural Engineering from NYU.
Andrew Ritter
Senior Vice President
Licensed in CT, MA, and NY with expertise in temporary support systems and structural analysis. Leads project teams with 15+ years of construction engineering experience, including complex bridge and infrastructure projects across the US.
Questions
What construction engineering services do you specialize in?
We specialize in structural engineering, demolition/erection planning, geotechnical analysis, accelerated bridge construction, and specialized rigging solutions for infrastructure projects.
Which geographic areas do you serve?
We operate from Connecticut and New York offices, serving clients across North America with licensed professionals in multiple states.
Do you offer 24/7 engineering support?
Yes, we provide 24/7 responsiveness for urgent project needs and critical construction phases.
What makes your firm different from other engineering companies?
Our field-tested expertise combines construction management experience with technical engineering, focusing on practical, buildable solutions for complex infrastructure challenges.
How do you handle complex demolition projects?
We develop staged demolition plans with structural analysis, temporary bracing systems, and specialized rigging solutions tailored to each project's unique requirements.
Can you assist with accelerated bridge construction methods?
Yes, we design innovative accelerated bridge construction solutions including self-propelled modular transporter arrangements and temporary support systems.