Structural Engineering

Bridges

WHA’s bridge structure engineering capabilities and experience encompass all phases from preliminary design to construction inspection.

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Contractor Services

WHA works across Illinois and 8 other states to provide signed/sealed calculations, drawings, and details for various temporary retention systems and structural/geotechnical sequences for Contractors to construct and complete any structural project.

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Building Services

WHA offers comprehensive design services for new buildings, structural assessments for existing structures, building code assessments, inspections, retrofits, rehabilitation of existing structures, and additions.

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WE ARE DEDICATED TO SERVE OUR CLIENTS ETHICALLY, RESPONSIVELY AND PROFESSIONALLY WITH HIGHLY TRAINED AND SKILLED STAFF.