Services

NieKo is a full service Structural and Environmental Engineering firm.

Specializing in bridge, hydrology and hydraulic designs.

Recent Awards

AASHTO Center for Environmental Excellence2006 Best Practices in Context Sensitive Solutions

Precast/Prestressed Concrete Institute (PCI) 2007 Design Award

Iowa Quality Initiative Structures Award


Keosauqua Bridge- 3 span steel haunched girder


Keosauqua Bridge - cast in place piers on spread footings


Keosauqua Bridge - design and hydraulics


Precast Deck and Precast Substructure - County bridge


Bridge Pier Scour Design


Arch Bridge CADD Concept - adding strength with steel arches