Clapsaddle-Garber Associates, Inc.

Engineers, Surveyors, and Architects

Website

About the firm

Clapsaddle-Garber Associates, Inc. (CGA) provides multidisciplinary civil engineering, land surveying, and architectural services throughout Iowa and surrounding states. Established in 1959, the practice supports communities, municipalities, and private developers with infrastructure design, aviation engineering, structural analysis, and land planning. Working from offices across Iowa, its collaborative teams guide projects from early planning and funding strategies through design and construction administration.

Established
1959
Team
Small
Firm type
Architecture & Engineering · Aviation Engineering · Civil Engineering · Land Surveying · Structural Engineering

People

Matt GarberPresident and CEO

Adam DatersVice President

Lee GallentineVP of Operations

Zeb StanbroughProject Manager

Dan MatzingerLead Surveyor

Chris SweeneyLead Surveyor

Travis StewartPrincipal Owner

Luke WilsonProject Manager

James SweeneyProject Engineer

Micah CutlerGIS Director

Justin StromProject Manager

Heather ThomasProject Manager

Joe SnethenProfessional Land Surveyor

Stephen TroskeyPlanning Project Manager

Reese HagemanCivil Engineer Intern

Cameron LaGrangeCivil Engineer Intern

Mindy BryngelsonProject Manager

Kasey WestleyLand Surveyor Intern

Don MooreCivil Engineer

Nick BrewerCivil Engineer Intern

Kohle NielandCivil Engineer Intern

Lary KoosmannCivil Engineering & Survey Technician

Holly SelkenAccounting / Project Manager Assistant

Katelyn StreightAdministrative Assistant

Stephanie RottinghausMarketing & Communications Manager

Jeff SoggeRight of Way Agent

Rob AndersonIT/CADD Manager

Lynn ScarlettAdministrative Assistant

Rita JoensReceptionist

George CrumCivil Engineering Technician-Construction

Ariana HasselCivil Engineering Technician

Jim Van HoveCivil Engineering/Survey Tech

Curtis QuickCivil Engineering Technician

Beth KirkevoldHR Generalist

Scott ChristensenCADD Tech

Capabilities

Civil Engineering

Service website

Comprehensive civil engineering for site development, corridor planning, and public utilities.

  • Site Design

    Transforming raw parcels into fully realized commercial, municipal, or residential sites.

  • Streets and Transportation

    Design of municipal roads, corridor improvements, and transit connections.

  • Wastewater Treatment Solutions

    Engineering of municipal wastewater treatment plants, sanitary sewer systems, and sewer lining solutions.

  • Drainage and Stormwater

    Design of stormwater management systems, municipal drainage, and watershed protections.

Structural Engineering

Service website

Structural analysis and design for buildings, utility facilities, and civil infrastructure.

  • Structural Design

    Design and engineering of structural systems for commercial, education, and municipal facilities.

  • Property Damage Inspection

    Post-event damage assessment and structural repair design following tornado, high wind, or fire damage.

Aviation Engineering

Service website

Engineering, planning, and consulting services for general aviation facilities across Iowa.

  • Airport Master Planning

    Development of airport layout plans, capital improvement priorities, and long-range master plans.

  • Aviation Facility Design

    Design of airfield pavements, lighting systems, navigational aids, hangars, and terminal facilities.

  • Obstruction Evaluations

    Analyzing approach pathways and comparing potential vertical obstacles against FAA Part 77 surfaces.

Land Surveying

Service website

Professional land surveying and geospatial data collection for public and private boundary needs.

  • Boundary Surveys

    Accurate property boundary location and legal documentation prior to property transactions.

  • Topographic Surveys

    Comprehensive topographic data collection and digital CAD terrain modeling.

  • Construction Staking

    Precision layout staking to ensure construction alignment with design specifications.

Construction Services

Service website

Quality assurance, contract administration, and project compliance tracking.

  • Construction Observation

    On-site observation to verify builder compliance with design documents and regulatory standards.

  • Construction Contract Administration

    Managing meetings, pre-construction setups, FAA and Iowa DOT closeout compliance, and project coordination.

  • Construction Testing

    Quality assurance materials testing performed in-house or coordinated via accredited partners.

Planning and Funding

Service website

Strategic corridor planning, landscape architecture, and infrastructure grant assistance.

  • Grant Administration

    Writing and managing federal, FAA, Iowa DOT, and Community Development Block Grant (CDBG) applications.

  • Landscape Architecture

    Design and management of built and natural environments, green infrastructure, and trails.

  • Corridor Planning

    Planning of transportation and small-town corridors to optimize layout and aesthetic appeal.

Geographic Information Systems

Service website

Integrating GIS technology to map, analyze, and visualize municipal utilities and municipal data.

  • Municipal GIS Mapping

    Designing asset tracking databases and digital mapping for community utilities and infrastructure.

  • Geospatial Data Solutions

    Analysis, visualization, and custom mapping for complex utility datasets and cyclists routes.

Industries

Aviation · Government · Education · Land Development · Water Resources · Sports & Recreation · Healthcare · Historic Preservation

Projects

Grand Crossing PICP Parking Lot

Waterloo, IA · Land Development · 2018 · Client: Grand Crossing

Project details

Engineering design of a permeable interlocking concrete paver (PICP) parking lot in downtown Waterloo. The project achieved an Engineering Achievement Award for its unique civil and drainage design.

Story City Historic Swing Bridge Repairs

Story City, IA · Historic Preservation · 2020 · Client: City of Story City

Project details

Structural engineering and specialty repair design for the historic swing bridge in Story City. This project received an Honor Award from the American Council of Engineering Companies of Iowa.

Waverly Hospital Expansion

Waverly, IA · Healthcare · Client: Waverly Health Center

Project details

Civil site design and construction administration services for the multi-phase Waverly Health Center expansion project.

DMACC Legacy Plaza

Newton, IA · Education · Client: Des Moines Area Community College (DMACC)

Project details

Civil engineering and campus drainage design supporting the redevelopment of the former Maytag headquarters into the DMACC Legacy Plaza in Newton.

Clapsaddle-Garber Associates, Inc. - Engineering Firms