Reliable Structural Engineering Services Across Virginia, Maryland & DC

Licensed structural engineering consulting for residential, commercial, and government projects. We provide structural analysis, permit-ready drawings, inspections, and construction support throughout Virginia, Maryland, and Washington DC.

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Delivering Reliable Structural Engineering Solutions for Residential & Commercial Projects

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Serving Clients With Trusted Structural Engineering & Design Services

Established in 2004 and based in Bridgewater, Virginia, Structural Design Services, PLLC provides professional structural engineering consulting services for residential, commercial, governmental, educational, and religious projects. Our firm specializes in structural design, building evaluations, and construction support throughout Virginia, Maryland, and Washington DC. Owned by Robin Helsing Simmons, PE, we are licensed in Virginia, Maryland, and the District of Columbia, with an active NCEES record for additional state licensure.

Structural Engineering Services We Offer

Design and Analysis

Expert structural design and analysis services for new construction, renovations, restorations, and building repairs. We deliver safe, code-compliant solutions that ensure structural integrity and long-term performance.

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Schematic and Design Development Drawings

Detailed schematic and design development drawings that transform concepts into accurate, construction-ready plans. Our structural drawings provide clear documentation to support project coordination, understanding, and successful execution.

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Construction Drawings and Specifications 

Creating precise construction drawings and engineering specifications that bring your vision to life. From initial design concepts to final construction documents, we ensure accuracy, structural integrity, and code compliance throughout every phase of the project.

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Construction Administration Services

Providing expert construction administration services to support efficient project coordination, quality assurance, and code-compliant execution. We work closely with project teams throughout construction to help ensure accuracy, structural integrity, and successful project delivery.

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Computer Aided Drafting

Professional CAD drafting services for accurate 2D and 3D technical drawings, construction documentation, and structural detailing. We deliver precise, efficient drafting solutions that support clear communication, project coordination, and accurate execution.

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Meetings and Site Visits

Professional project meetings and site visit services that support effective coordination, field observations, and accurate project execution. Our on-site evaluations provide valuable insights to help ensure structural integrity, construction compliance, and successful project delivery.

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