Southwest Arterial Corridor

Southwest Arterial Corridor


WHKS provided Phase 2 major highway design and bridge final design services for a portion of a 6.1-mile four-lane divided freeway on a new alignment between US Highway 61/151 and US Highway 20.

On separate but related projects, WHKS provided construction-related services for bridges and roadways that were constructed to Iowa Department of Transportation (Iowa DOT) Standards.

WHKS services on these projects included:

  • Full-time construction inspection
  • Construction administration
  • Documentation of materials and quantities
  • Recordkeeping
  • Iowa DOT Project Audit
  • Concrete testing
  • Coordination with Iowa DOT and City of Dubuque

Additionally, WHKS provided construction survey to contractors for segments of the project.


  • Construction observation
  • Construction administration
  • Construction survey