Donald C. Carroll

Associate Principal and Unit Manager


Donald Carroll’s structural engineering practice includes forensic engineering, structural evaluations, and strengthening and repair of distressed structures, foundations, and earth retention structures. His experience was developed through the design, repair, and remediation of new and existing commercial, residential, and industrial structures. Mr. Carroll has experience in the design, evaluation, and repair of structural systems, including steel, wood, masonry, and mild-reinforced, prestressed, or post-tensioned concrete. Prior to joining WJE in 2016, Mr. Carroll was a principal at J.R. Harris and Company, a structural engineering firm in Denver, Colorado.




Litigation Consulting

  • Four Seasons Vail - Vail, CO: Investigation of alleged structural construction defects in post-tensioned concrete building *
  • 195 Bellevue Drive - Boulder, CO: Investigation of alleged design and construction defects on complex multisystem earth retention system *
  • Fairways Boca Raton - Boca Raton, FL: Investigation of alleged design and construction defects in concrete balconies
  • Red Deck Parking Garage - Atlanta, GA: Review of original foundation design and subsequent design revisions that impacted construction cost and schedule


Structural Analysis

  • Lionshead Parking Structure - Vail, CO: Structural condition assessment of precast concrete parking structure and design of repairs for discovered deficiencies *
  • Larimer County Fairgrounds - Loveland, CO: Evaluation of nontypical pre-engineered metal buildings that experienced failures during a snowfall *
  • Laurel Condominiums - Denver, CO: Analysis of cantilever balconies with proprietary thermal break connectors


Structural Design

  • Denver International Airport, AGTS Switch - CO: Installation of new crossover switch in terminal building requiring repurposing of precast prestressed elements, as well as new cast-in-place concrete, structural steel, and deep foundations *


Earth Retention and Foundations

  • 1601 Wewatta - Denver, CO: Design of forty-five-foot-deep secant pier cutoff foundation wall in dense urban environment *
  • Cherokee - Pueblo, CO: Design of forty-five-foot-deep temporary anchored earth retention system immediately adjacent to active railroad line *
  • Expansive Soils - Front Range of CO: Evaluation of numerous residential and commercial structures with foundation movement due to expansive soils


Failure Analysis

  • Ritz-Carlton - Vail, CO: Investigation of multiple collapses of micropile retaining walls and construction monitoring of remaining temporary soil nail wall earth retention system *
  • Little Nell - Aspen, CO: Investigation of excessive movement in thirty-five-foot-tall anchored retaining wall on the side of Aspen Mountain *


Repair and Rehabilitation

  • Saint Michael’s Church - Canon City, CO: Design of repairs to unstable wood-framed roof structure that allowed existing roof structure to remain and minimized visual impacts to the space *
  • Williams Form - Golden, CO: Design and supervision of program to relevel multispan pre-engineered building frames suffering from more than twelve inches of differential foundation movement *
  • Williams Form - Golden, CO: Design of compaction grouting program to stabilize foundations against future movement
  • Miami Marine Stadium - FL: Existing condition assessment, including extensive material testing; rehabilitation design of historic structure 

* Indicates with previous firm

Professional Affiliations

American Concrete Institute
American Society of Civil Engineers
National Council of Structural Engineers Association
Structural Engineers Association of Colorado


NCEES Record 16-797-05
Professional Engineer in CO, FL, GA, and LA


Clarkson University
Bachelor Science, Civil Engineering, 1996

University of Colorado
Master of Science, Civil Engineering, 2003