Crosby Park Townhouses Residential Development | Marshalltown
CGA assisted in the development of the Crosby Park Townhouses. These townhouses fit a great community need in addition to replacing a demolished pool. The…


CGA assisted in the development of the Crosby Park Townhouses. These townhouses fit a great community need in addition to replacing a demolished pool. The…
CGA was hired to prepare the site design for a new office and commercial building for Amy Wienands Real Estate in Waterloo, Iowa. Design components…
CGA partnered with Emergent Architecture to complete improvements to the Dike-New Hartford Community School District facilities. CGA completed the topographic survey and floodplain analysis at…
This project was completed in two phases. Phase I included the demolition of the existing Long Term Care Wing. Temporary enclosure of the hospital, site utilities,…
The Bridge Home, an affordable housing development aimed at supporting the unhoused population in Ames, officially broke ground on September 27, 2023. The Bridge Home’s…
The CGA team helped the City of Ames design a new mini-pitch court at Lloyd Kurtz Park, which included new sidewalk routing through the park…
The CGA team helped the City of Grundy Center with some updates to the Wilhelm Sports Complex, consisting of new sidewalks around the baseball and…
CGA completed 12 new tennis courts and three pickleball courts at Marshalltown High School. This joint Marshalltown Community School District/City of Marshalltown facility replaced the…
CGA assisted FEH Design on a new athletic complex in Marshalltown, Iowa. The $6.25 Million project for the Marshalltown Community School District included new lighting,…
Most recently, CGA, alongside OPN Architects, are finishing up items for the DMACC Legacy Plaza project, comprised of new pavement routing around the entire site…
The Clear Creek Watershed Project includes activities in the upper watershed to reduce flooding and improve water quality, as well as infrastructure projects in the…
CGA worked with Scooter’s Coffee’s architects to develop a site plan at 412 West 1st Street in Cedar Falls, IA for a new specialty coffee…
CGA recently had the honor to assist Grinnell College with several improvement projects. We partnered with EYP architects to complete the design and construction of…
CGA was the Design Engineer responsible for identifying current watershed limits and characteristics; modeling hydraulic flow for the original pond design as well as current…
CGA partnered with InVision Architects to complete the site design for the recent expansion of Wings Park Elementary in Oelwein, Iowa. The project included building…
CGA provided site design for Peters Construction on the OBGYN addition at MercyOne Bluebell Health Plaza in Cedar Falls, Iowa. CGA provided a topographic survey,…
CGA assisted the City of Story City with the reconstruction of Broad Street from Grand Ave to Garfield Ave, Elm Ave from Maple St. to…
CGA is currently providing construction observation and administration for the City of Eldora on an eight-block stretch of 11th Avenue. Improvements include updates to the…
The Hamilton County shed in Webster City was destroyed by fire in 2018. CGA provided civil engineering and land surveying services for rebuilding the structure.…
CGA has assisted the Meskwaki Nation with numerous projects for several years. Most recently, our team provided engineering services for the construction of 3,000 feet…
Woodruff Construction hired CGA to assist with the expansion of MARSHALLTOWN Company’s commercial building site in Marshalltown, Iowa. 57,000 square feet of additional manufacturing space…
CGA completed a boundary survey for the Ultimate Auto Car Wash, followed by an analysis and design for the new soldier pile retaining wall that…
Clapsaddle-Garber Associates helped the City of Conrad plan and design a new set of pickleball courts in town with black chain link fencing wrapping the…
The CGA team helped plan and design a set of pickleball courts at Elmwood Golf Course in Marshalltown, IA. Other improvements included a new parking…
Our latest WWTP improvement project in Ackley, Iowa, is a testament to our commitment to advancing community infrastructure through expert civil engineering. The Ackley Wastewater…
Due to the derecho storm in 2020, falling trees impacted the swinging bridge at Marshall County’s oldest county park and trail system. In order to…
CGA provided Construction Survey and Profile Design for an Iowa Department of Transportation (IDOT) $4.1 million road reconstruction project along Highway 57/218 in Black Hawk…
The July 2018 Marshalltown tornado destroyed Lennox’s administration and north manufacturing buildings. During the rebuilding process, Lennox took the opportunity to make parking lot enhancements,…
Magnum Trucking Site Design, Waterloo, Iowa CGA provided civil engineering and land surveying services for the new Magnum Trucking Site Design located in Waterloo, Iowa.…
Witness CGA’s transformative impact on Drainage District #18 in Hardin County, Iowa. The CGA team executed a comprehensive topographical survey and staking, setting a solid…
CGA provided survey and civil engineering services for new secondary roads maintenance sheds in Kelley and Roland. Facilities included new water service, sanitary service, storm…
CGA conducted watermain improvements for the City of Parkersburg made possible in part by an Iowa Department of Natural Resources (IDNR) grant. CGA’s scope included:…
CGA assisted the City of Waterloo with the extension of sanitary and water main north along Leversee Road to service a new industrial subdivision. CGA…
CGA completed the site design for the 2018 Facilities Expansion for Janesville Consolidated School District. Site work included three separate building expansions, new ADA-compliant pedestrian…
CGA assisted a private franchise owner with the completion of a new coffee shop in Ames. Our scope included various site layout concepts to maximize…
CGA completed the site design for the EMS and Clinic addition to the UnityPoint Health South Campus in Marshalltown. The project was completed as a…
CGA has partnered with Prime Companies, Inc. to offer construction staking services for multiple new Veridian Credit Union sites in the Cedar Valley. Recent projects…
CGA completed the site design and construction administration services for improvements at the Oelwein Community School District High School/Pre-school/Gymnasium/Track & Football field. Improvements will be…
Clapsaddle-Garber Associates helped the City of State Center plan and design a new set of pickleball courts in town constructed out of concrete with chain…
CGA assisted the City of Ackley alongside Ritland Kuiper Landscape Architects with some updates to the local park and playground consisting of new paved sidewalks…
The Story City Historic Swinging Bridge was built by Franklin D. Roosevelt’s administration in 1936. This charming historical mark within the City of Story City…
CGA assisted U-Haul with the completion of a new 3-story, 24,000 SF climate-controlled self-storage facility in Ames. The building is located along the Ioway Creek…
The 2010 flooding along South Duff resulted in the redevelopment of 716 S. Duff Avenue. The site offered an opportunity for the CGA design team…
CGA is providing construction staking services during this phased construction project on a major intersection in Cedar Falls. Having been labeled as one of the…
CGA worked with the City of Conrad to develop a 20-acre piece of land for a mix of 50 lots consisting of single-family residential and…
CGA assisted the City of Marshalltown in developing a subdivision in a strip of undeveloped land along a major collector in town. With the subdivision,…
CGA completed street reconstruction on five blocks of city street in Conrad Iowa to accommodate a new residential development on the city’s north side. The…
CGA completed the reconstruction of Mill Street and 6th Street pavement, from IA Highway 14, west approximately 1500 feet to A Avenue in Grundy Center.…
A 10 lot commercial sub-division in Waterloo that involved complete PCC pavement with the installation of all underground utilities and a detention pond. CGA services…
A residential 12 lot subdivision between West 4th St. and Westchester Rd. in Waterloo. CGA completed conceptual planning, preliminary platting survey, site design, and final…
Lincolnshire Addition is a newly built residential subdivision located between Monticello Avenue and Meadow Lane in Waterloo; SW of the Ridgeway/Ansborough intersection behind Cedar Valley…
CGA completed construction survey work for a 6” concrete overlay beginning south of Conrad up to Iowa Highway 175.
The Merle Hibbs duplexes continue the development of two-family units along this Marshalltown road that overlooks a regional detention pond. CGA completed master planning, rezoning,…
An Iowa DOT grant-funded project was completed to develop a new industrial park to capitalize on a network of highways, railways, and runways west of…
CGA was hired to perform the construction staking on this two-year pavement improvement project that stretches from Burlington to the north of Mediapolis on U.S.…
The City of Waterloo rolled out an extension of sewer, water, and electrical utilities to serve the new Waterloo Air and Rail Park industrial park,…
CGA performed Land Acquisition Services for the Ioway Creek (formerly Squaw Creek) Flood Mitigation Project including 11 parcels near the Duff Avenue Corridor in Ames,…
CGA was hired by the City of Marshalltown in partnership with HDR to enhance the city’s storm sewers in 2021. CGA provided the topographic survey,…
CGA has worked extensively with multiple architects and contractors over the last 20 years on the Marshalltown Community College campus, including a campus mapping project.…
CGA completed the site design for the new Teen Center in Waterloo. The project included a new two-story 10,700 SF facility to house classrooms, gathering,…
CGA was hired to perform the Site Design and Construction Observation on a road reconstruction project at Broad Street in Story City, Iowa. The repavement…
CGA was hired for a reconstruction project in Ackley, Iowa that completely revamped the entrance to City Hall. Repairs included: Updates for ADA-compliant sidewalks New…
CGA provided construction staking for an Iowa Department of Transportation (IDOT) road reconstruction project along Highway 20 in Waterloo, stretching three miles from U.S. Highway…
CGA partnered with the City of Ames and Design Alliance in order to build a new Clubhouse at Homewood Golf Course. The project included a…
CGA provided planning, survey, design, and construction services for three connective projects which contained federal funds and followed the Iowa DOT’s Project Development Schedule. Two…
Recent projects we’ve completed for the Algona Municipal Airport include: T-Hangar Construction | 2019, 2020, 2021 Hangar Construction | Land Acquisition (ROW) | 2018 Environmental…
RECENT AIRPORT IMPROVEMENT PROJECTS Rehabilitate Runway, Apron and Taxiway | 2019 Replace Electrical Vault | 2018 Rehabilitate Runway Lighting and Rotating Beacon | 2017
CGA provided construction observation services for the pedestrian bridge, a handicap-accessible bridge located at Meyers Lake in Evansdale, IA. The Black Hawk County Gaming Association…
RECENT AIRPORT IMPROVEMENT PROJECTS Hangar Development | 2018 Runway Pavement Rehabilitation | 2017-2018 T-hangar Construction | 2016 Fuel systems Improvements | Building Demolition, Grading, and…
RECENT AIRPORT IMPROVEMENT PROJECTS T-hangar Construction | 2020 Lighting Improvements Runway 15-33 | 2018 Replace Rotating Beacon | 2018 Runway 15-33 Pavement Preservation and Apron…
RECENT AIRPORT IMPROVEMENT PROJECTS Runway Reconstruction | 2018-2019 Construct conventional hangar and taxilane | 2018 Fuel system improvements | 2017-2018 Runway evaluation and rehabilitation design…
CGA worked with the CUMC Board, maintenance staff, and tenants to improve drainage and lower accessibility to the churches Annex building in Campustown Ames. Several…
RECENT AIRPORT IMPROVEMENT PROJECTS Runway Rehabilitation | 2018 Apron Pavement Rehabilitation | 2015
RECENT AIRPORT IMPROVEMENT PROJECTS Construct SRE Building | 2019 Improve Fencing | 2018 Acquire snow removal equipment | 2017 Airport Master Plan update | 2015-2016
CGA provided survey, design and construction services for three phases of the Grinnell Area Recreation Trail system spanning from the City of Grinnell west to…
CGA provided project management for a private commercial development planned for an undeveloped area consisting of open farm fields in Cedar Falls. In planning and…
The Arbors, located on Viking Road, one-half mile north of Hudson Road in Cedar Falls, Iowa needed stormwater management from scratch due to a new…
CGA provided survey, design, plan preparation, permitting, bid assistance, and help in meeting State Rec Trail grant fund requirements for paving a trail in an…
Butler Street in Ackley has historically experienced flooding and over-topping during heavy rain events. As a result, the City of Ackley authorized a feasibility study…
RECENT AIRPORT IMPROVEMENT PROJECTS Hangar and Terminal *Currently under construction* Vault Construction | 2020 Hangar/Terminal Design | 2019 Rehabilitation of runway end 18 and connecting…
RECENT AIRPORT IMPROVEMENT PROJECTS Snow Removal Equipment Acquisition | 2019 Replace fuel/AV gas cabinet | Environment assessment | 2017 Beacon replacement | 2016 Runway 16/34…
AIRPORT IMPROVEMENT PROJECTS Airport Taxiway | 2021 Replace Beacon | Taxiway Reconstruction Design | 2019 Security lighting | 2018 Construct hangar, paving improvements |
RECENT AIRPORT IMPROVEMENT PROJECTS Runway 16-34 Reconstruction Design | 2020 Install Wind Cone | 2019 Turnaround Construction | 2017-2018 Install PAPI and REILS | 2016…
RECENT AIRPORT IMPROVEMENT PROJECTS: Parallel Taxiway Reconstruction Design | 2020 Apron Expansion | 2019 Relocate Fuel System | 2017-2019 Master Plan Update | 2016, 2018…
CGA served as the design engineer for the Grand Crossing Parking Lot in Waterloo, Iowa, a project distinguished by its full-site use of permeable interlocking…
CGA provided the Civil Engineering Services for a new Premier Best Western located on the east side of Interstate 35 in Ankeny. Wertzberger Architects designed…
CGA provided design, funding administration, construction administration and observation services for the City of Story City. In an effort to create a more walkable community,…
CGA was hired by the City of Cedar Falls to perform traffic projection reviews, analyze signalization versus roundabouts at key intersections, and recommend access management…
CGA partnered with Landscape Architect Zach Heitzman to complete site design and landscaping for two multi-use student housing developments in Campustown, Ames. The team created…
CGA completed analysis, design, and construction administration for streambank restoration and new pedestrian bridges in the City of Story City’s North Park in 2019. The…
CGA worked with the Raising Cane’s architects to develop a site plan off of Viking Road and Highway 58 in Cedar Falls, IA for a…
CGA completed the site design for the Waverly Health Center EMS addition and remodel. The scope included a topographic survey, demolition of a portion of…
CGA partnered with InVision Architects to complete the site design for the new $10 million dollar Cedar Falls Police and Fire Headquarters on the south…
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