Keith T. Nelson, P.E. - Principal Engineer

Keith has over 28 years of experience, including 14 years as a Design Engineer at the Wisconsin Department of Transportation, with complete design of various transportation structures, such as reinforced slabs, prestressed girders, steel plate girders, steel box girders, retaining walls and timber bridges. At Wisconsin DOT, Keith’s Quality Control (QC) duities included complete checking and review of: calculations, in-house plans, shop drawings, consultant plans, state standard details, and project specific special provisions.   Included in Keith’s experience is almost 6 years of experience working at TRC (formerly Imbsen Associates) in Sacramento, California which included many QC duties  along with designing and analyzing bridges to California’s strict seismic code. Since joining Gill, Keith has used his experiience and expertise in performing QC duties including design oversight, plan review and construction document review.




Gill Engineering Associates, Inc.

2011-Present, Principal Engineer

TRC Imbsen

2005-2011, Design/Senior/Project Engineer 

Wisconsin Department of Transporation

1991-2005, Structural Design Engineer

Westbrook Associate Engineers, Inc.

1990-1991, Bridge Design Engineer

Donahue Associate Engineers, Inc.

1988-1990, Bridge Design Engineer