Structural Engineering

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

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.

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.

ALTA/NSPS Land Title Surveys
Willett, Hofmann & Associates, Inc. provides comprehensive boundary surveys that are prepared in accordance with…
view projects
Architecture
The Willett, Hofmann & Associates, Inc. Architectural Department is qualified to provide a wide range…
view projects
Bathymetric Surveys
Willett, Hofmann & Associates, Inc. has the capability to perform underwater mapping using digital echo…
view projects
Boundary Surveys
Willett, Hofmann & Associates, Inc. provides boundary surveys for multiple types of clients. Whether buying,…
view projects
Bridges
WHA’s bridge structure engineering capabilities and experience encompass all phases from preliminary design to construction…
view projects
Building Services
WHA offers comprehensive design services for new buildings, structural assessments for existing structures, building code…
view projects