Pay Invoice
Pay Invoice
Leisure & Hospitality Site Development Projects & Services
Corporate Woods Drive Bridge over Interstate 35 Supports New Development
Down town Roundabout
Fort Dodge Gateway Features Create Welcoming Entry Points
A portion of the Raccon River Valley Trail located in Minburn, Iowa.
Raccoon River Valley Trail Design Packs User-Friendly Amenities
Healthcare Facilities Site Development Projects & Services
Des Moines Locust Street Bridge
Locust Street Bridge Reconstruction Conveys Modern Aesthetic on Riverfront
Intersection map
Improved Access & Safety Needs Prompt Interchange Operations Report
Diamond grinding construction truck.
Pavement Structural Integrity Analysis Drives Kiwanis Avenue Rehabilitation
Convenience Store Site Development graphic
Convenience Store Site Development Projects & Services
School building with flag flying in the wind.
K-12/Higher Education Facilities Site Development
Bettendorf City-Wide Signal Retiming Project Improves Traffic Efficiency
newly constructed clock tower
Iconic Webster County Courthouse Clock Tower & Roof Restoration
Providing a Quarter-Century of Inspiration: Reiman Gardens
overlooking green wetland area with meandering stream
Manmade Stormwater Wetland Benefits Fourmile Creek Water Quality
Photo of a Loves truck stop at night on a rainy day
Love’s Travel Stops & Country Stores Continued Expansion
wetland during the fall season with a small pond
Cedar Valley Nature Trail Benefits from Wetland Mitigation
Public Facilities Site Development Services
Noelridge Park Stream Mitigation Improves Park’s Biological Health
Flood Damage Results in Lenon Mill Dam Repairs
Eureka Bridge Rehabilitation Improves Historic Structure
Commercial Retail Projects & Services
Pond with low-head weir overflowing
Lower Skunk River Watershed Management Plan Combats Gulf Hypoxia
stormwater drain on street
Watershed Improvements Mitigate Flooding Across Closes Creek
Bridge Replacement over Interstate & Beaver Creek Improves Major Corridor
camp creek iowa
Mud, Camp, & Spring Creek Watershed Management Plan
recent rehabilitated wildflower pond improving stormwater retention
Wildflower Pond Restoration Project Utilizes Drone Mapping Technology
Industrial Site Development Projects & Services
concrete and glass design for iowa public works facility
Modern Facility Consolidates Iowa City Public Works Municipal Operations
small child in head brace throws baseball
Miracle League of Dane County Brings Baseball to Special Needs Community
stream entrance to sediment pond
Reviving Lake McKinley through Hurley Creek Water Quality Improvements
blue and red map of sewer system service area
Growth in Pleasant Hill Leads to Sanitary Sewer System Review
Sugar Creek Greenway Trail Extension Creates Vital Connection for Five Waters Project
square concrete new lift station
Lift Station Upgrades Eliminate Backups & Increase Efficiencies: Anamosa
New Delta Dental Signage on newest addtion
Delta Dental of Iowa Expands Operations with Modern, Two-Story Addition
two men signing papers at an open house
Expansion-Minded Community Benefits from Municipal Engineering Services: Indianola
Aerial view of ISU southeast sports complex
Major Playing Field Upgrades for Iowa State University Southeast Sports Complex
central river district master plan
Central River District Master Plan Creates Roadmap for Fort Dodge Renewal
Community center at recently developed Pleasant View apartments in Madison, WI.
Tuscany on Pleasant View Apartments Complement Prairie Point Housing Options
the newly added Lauridsen opera center next to the original Des Moines Opera House
Glass-Walled Addition to Historic Building Expands Des Moines Metro Opera House
Corridor Study of U.S. Highway 61 through Burlington Emphasizes Safety & Efficient Operations
large rectangle wastewater lagoon pond
Starmont High School’s Wastewater Dilemma Requires Speedy Solution
aerial view of two large blue lagoons and operation buildings
West Burlington’s Wastewater Treatment Plant Upgraded to Meet Current NPDES Requirements
rising sun drive intersection roundabout
Orchestrating Community Expansion with Professional Engineering Services: Pleasant Hill
University of Iowa Hall of Fame Building
Cutting-Edge Structural Design for University of Iowa Athletics Hall of Fame Building
fuel prices are displayed on sign as vehicles enter and exit recently complete kwik trip convenience store
Kwik Trip Store Location Requires Extensive Land Development
aerial view of recently complete contemporary iDOT facility and parking lot in Fairfield, IA
Contemporary Facility Upgrades for Iowa Department of Transportation
car sprays water while driving through a large puddle
Des Moines’ Sewer Separation Initiative Prevents Flooding, Backups & Overflows
cap tim baseball field
Iowa State University’s “Cap Timm Field” Receives Upgraded Athletic Field Amenities
carroll iowa public library glass lobby entrance
Carroll Public Library Benefits from Community-Focused Upgrades
willow park trailhead concept rendering
Alburnett Road Corridor Plan Creates Unifying Connection for Residents
building entrance to new ankeny services building
Repurposing Former Ankeny Library Consolidates Public Services
recently complete community building pavilion within Troy park in Robins, IA
Municipal Engineering & Planning Services Drive Expansion for Robins Community
Inside of the Disinfection-Flow Equalization Tank.
Custom Wastewater Treatment Solutions for Growing Industrial Client
ADA complaint new sidewalk
Iowa DOT Sidewalk Improvement Project Requires Extensive Right-of-Way Services
Front entrance of recently completed pre-engineered metal building.
North Towne Corporate Park Gains Athletic & Multi-Use Facilities
New sidewalks and decorative railings lining Stone street in Falls City, NE.
Falls City Streetscape Renovations Rejuvenate Central Business District
Crew constructs frame of industrial building at Albaugh Industrial Park in Ankeny, IA.
Albaugh Industrial Park Meets the Business Needs of Growing Industrial Base
Recent construction E 1s St Bridge in Monticello, Iowa.
Roadway Reconstruction & Bridge Replacement Highlight Municipal Engineering Services for Monticello
railway crossing with paved median
Quiet Zone Improves Quality of Life for Clinton Recreation Hub
crane placing dome top back on courthouse building
Marshall County Courthouse Requires Structural Repairs after Storm Damage
A massive crowd swarmed the riverfront for the opening day of the new Lauridsen Skatepark.
Competition-Level Skatepark Comes to Des Moines Riverfront
front of large auditorium with American flag flying
Veterans Memorial Auditorium Renovation Creates New Event Space
State-of-the-Art, Polk County Criminal Court Building: Des Moines, Iowa
construction workers building underground tunnel
Utility Distribution System Upgrade Replaces Old Capitol Tunnel
cement building with blue roof
New Pump Station Expands St. Joseph’s Eastside Sewer System Reach
picturesque downtown with old buildings
Streetscape Renovations Extend Life of Iconic District: Cedar Falls Parkade
sky view of farmland and interstate
Waukee Street Design Guide Provides Detailed Roadway Plan for Community
red crane with large metal beams standing straight up
Bridge Reconstructions & Roadway Widening Highlight Interstate 80 Upgrades: Grinnell Interchange
two little boys participating in mason jar activity
Active Public Engagement Promotes Jasper County Comprehensive Plan
Large wood barn in grassy area
Heritage Gardens at Erickson Farms Development Plan
people gathered around tables under metal pavilion
Atchison Farmers’ Market Pavilions Provide “Three-Season” Shelter
bridge over river with cars driving across
Grand Avenue Bridge Replacement Over the Des Moines River
Large construction equipment moves dirt
Small Destination Community Requires Municipal Engineering Services: Vienna, Wisconsin
front entrance into apartment building
Innovative Stormwater Technology Provides Right Solution for Catalyst on Main Mixed-Use Development
traffic backed up bumper to bumper
Iowa Highway 17 Realignment Study Leads to Grade Separation Recommendation
Creston Water Treatment Plant Assessment and Suggested Facility Renovations
aerial view of previous roadway and layout of new interchange
Diverging Diamond Interchange to Improve Safety & Efficiency at Interstate 35 & East 1st Street
balconies of apartment building
Madison & Main Apartments Meet Residential & Commercial Need
grey and white townhomes in a row
Kettlestone Development Provides Master Plan for Growth
bumper to bumper traffic at intersection
Interchange Justification Report Paves the Way for Improvements
front entrance of kwik trip gas station
Kwik Trip Store Development Adds Convenience to Business Park
three large white tanks
Creative Solutions for Toledo Water Treatment Plant Upgrades
baseballfield through netting on a blue sky day
Major League Amenities at the New Nevada High School Baseball Field
Large stone welcome sign to the city of Robins
City of Robins Comprehensive Infrastructure Plan
hospital entrance
Modern Behavioral Health Center Adapted for Infill Development
Multiple people along lakeshore
Watershed Restoration & Water Quality Improvements: Easter Lake Park
green light intersection at 12th street
Corridor Traffic Study Recommends Complete Street Solutions for Cedar Falls
view of new apartments and large sign stating apartment name
The Sterling at Prairie Trail Development Meets Needs of Growing Community
aerial photo of jasper construction site
Multiple Services Provided for Jasper Street Reconstruction Effort
over head shot of project intersection
Increased Growth along Iowa Highway 141 Leads to Corridor Study
people mingling at an open house
“Elevate Indianola” Comprehensive Plan Promotes Pathway to the Future
fence entrance to tennis/pickle ball courts
Recreational Tennis Courts Thriving in Parks & School Districts
Senior living facilities
Crossing Commons Assisted Living Senior Community
Large brick apartment building on a hill
Quality Expansion Efforts for Aster Retirement Community of Cottage Grove
Corridor Upgrades Improve Safety & Increase Traffic Flow along 5th Avenue South
gated area before entering work site
Challenging Site Considerations for New Fuel Blending Facility
new facility with two story large open windows
ETC Brightens their Future with Award-Winning Expansion Project
open courtyard at mall
Bold Renovations Prepare Hilldale Shopping Center for Shifting Consumer Preferences
aerial photo of skate park and climbing structure
Young’s Park Upgrades Create Destination Hub for Region
Hospital main entrance
Cass County Memorial Expansion Projects Keep Hospital on Cutting Edge
Front entrance of brand new Hampton Inn hotel
Hotel Development Project: Hampton Inn & Suites, Altoona
Pedestrians biking on a trail
Expanding Recreation Opportunities on the Gay Lea Wilson Trail
newly paved frontage road
Cost-Effective Repair Method used for Roadway Rehabilitation Project: Carlisle
construction of extended roadway shoulders and drainage ditches
Interstate 80 Shoulder Repairs Make Room for Future Expansion
Branded gateway installation for the city of Pleasant Hill, Iowa.
Roadway Upgrades Lead Community to Implement Streetscape Upgrades: Pleasant Hill
shattered concrete at an intersection
Roadway Improvements & Safety Upgrades Add Value for Community of Fort Dodge
a young man talks with an old man at an outdoor engagement meeting
Long-Term Municipal Engineering & Planning Services Spark Growth: Polk City
aerial view of Atlantic Trojans football field with surrounding track under construction
Atlantic High School Athletic Sites Receive Synthetic-Turf Field Upgrades
Expansion Study for Growing Community Leads to New Retail & Residential Development: Sun Prairie, WI
metal rods stick up out of bridge footings waiting to be connected
Obsolete Bridge Design Leads to New Construction over the West Nishnabotna River along Interstate 80
highway with green stoplight and traffic
Adaptive Signal Control Technology (ASCT) System along Busy Corridor Set to Reduce Travel Times: Pleasant
busy intersection with green light
Adaptive Signal Technology a Natural Progression for Highway 6: Clive & Urbandale, Iowa
large concrete stormwater outlet structure with construction machinery behind it
Neighborhood Receives Much-Needed Stormwater Drainage Improvements: Fort Dodge
view of filled drainage basin
Street Flooding Leads to Storm Sewer & Roadway Improvements: Fort Dodge
Enhanced Trail Connectivity at Heart of Hike & Bike WC Master Plan
old schoolhouse
Polk City’s Comprehensive Growth & Development Plan
cars driving through an intersection
Signal Timing Project Fuels More Efficient Traffic Flow: Ankeny, Iowa
mid-construction of overpass
U.S. Highway 30 Bypass around Mt. Vernon & Lisbon Modernizes Corridor
blue and green web climbing structure
Trail System Master Plan Highlights Engineering Services for Knoxville, Iowa
Hot mix asphalt being installed on residential street. Numerous crew and contractors on sight.
Cost-Saving Method used for Street Rehabilitation Project: Norwalk
lush green aerial view of walking trail bridge
Denison Rotary Club Jumpstarts Trail Planning Initiative
view of front fountain at Ankeny new Civic center
Ankeny’s New Civic Building Houses Library & Council Chambers
Innovative & Cost-Effective City Engineering Services: Pleasantville, Iowa
Iowa state capitol from the front steps
Historic Iowa State Capitol Dome Restoration
Street-level view of the front of the Quad-Cities Waterfront Convention Center
Downtown Revitalization Plan Starts with Market Analysis & Traffic Feasibility Study: Bettendorf
Vehicles waiting at a traffic-light controlled intersection.
Traffic Study Determines Roundabouts Add Maximum Roadway Efficiency & Safety: Greenhill Road
Ames School officials pose for group photo in front of excavator
Phase One Construction Begins on the New Ames High School Project
FEMA Recertification Improves Levee & Flood Protection: Council Bluffs, Iowa
fans in the stands at a baseball game as umpire talks to players
Synthetic-Turf Fields for Baseball & Softball Complex: Johnston Community Schools
LEED Certification Highlights New Madison Fire Station 14
Wastewater System Analysis & Planning: Cedar Falls, Iowa
A satellite image of Waukee, Clive and Urbandale, Iowa highlighting the traffic study portion of Highway 6.
Highway Expansion Drives Development: A Quarter Century of Progress
Group of people prepare to cut red ribbon
Funding Application & Procurement Assistance for Water Quality: Pleasantville Shadle Park
Wastewater Asset Management Planning: Des Moines WRA Sanitary Sewer Trunk System
Stream mitigation of Jordan Creek accounts for unavoidable impacts to Sugar Creek while enhancing the natural beauty of Brookview Park.
Stream Realignment Required for Roadway Extension in West Des Moines
aerial view of large ethanol plant
Reusing Municipal Wastewater for Ethanol Production
couple walking on path
City-wide Walkability Study: Johnston
A restored stream with protected sanitary sewer infrastructure and improved ecological functions and stream habitat diversity.
Stream & Sanitary Sewer Protection: Fourmile Creek
The downtown Clinton, Iowa streetscape uses planting beds, decorative lighting, and seating to create an inviting public space for pedestrians.
Streetscape Improvements Lead to Clinton Placemaking
The exterior of the award-winning Hilton Des Moines Downtown hotel, which Snyder & Associates provided civil engineering services for.
Urban Site Development: Hilton Hotel
People gathered to celebrate the completion of the first segment of a 9-mile High Trestle Trail extension.
High Trestle Trail: Let’s Connect
two large lagoons side by side
Expanding the Capacity of a Controlled Discharge Lagoon System
The new Goodman Community Center as viewed from the Capital City State Trail.
Maximizing Property Use: Goodman Community Center
Aerial rendering of the Ames Miracle League playground, baseball field, and tennis courts.
Park Master Planning: Ames Miracle League Field & Playground
Drone image of Johnston High School and football field in Johnston, Iowa
New High School Building & Stadium Complex Design for Johnston Community
Public library walkway leading to building.
Brownfield Site Development: Waunakee Public Library
SBR Wastewater Treatment Plant Improvements
Aerated Lagoon Enhancements Reduces Ammonia-Nitrogen & E.coli: Norway Wastewater Treatment Plant
Controlled Discharge Lagoon Conversion: Colesburg, Iowa
Aerated Lagoon Retrofit for Reduction in Ammonia-Nitrogen: Lenox Wastewater Treatment Plant Improvements
curved stormwater basin with new rock lining the shores
Hamilton Drain Watershed Flood Control Improvements
stream with rock ripple rapids
Ioway Creek Streambank Stabilization & Low-Head Dam Mitigation
Altoona Industrial Park Development Benefits from Rail Spur
Design of Unit Train Service Addition to Industrial Site: Global Agricultural Products Corporation
Development Planning for Agricultural Rail Terminal
Planning Rail Freight Service for Industrial Site: Global Nutritional Ingredient Company
Design of a New Industrial Facility with Rail Service: American Packaging Corporation
Design & Construction of New Electrodialysis Reversal (EDR) Water Treatment Plant: Walnut, Iowa
Reverse Osmosis Water Treatment Plant Improvements: Oakland, Iowa
inside view of new water treatment plant
Lime Softening System Upgrade for Iowa National Guard Base
Stream Mitigation Banking Proves Beneficial for Black Hawk County
Northwest River District proposed park improvements.
Riverside Drive Streetscape
Strategic Plan Guides Dallas County Conservation Board
An image of the McFarland Baseball Field complete with team logos and colors.
Athletic Field Improvements & Expanded Facilities for McFarland School District
A restored stream with protected sanitary sewer infrastructure and improved ecological functions and stream habitat diversity.
Greenway Master Plan: Lower Fourmile Creek
Park Master Planning & Design: Hickory Hill Park
New Interchange & Bridge over Interstate 29 Requires Creative Engineering & Design Concepts
Small-Scale Street Project, Substantial Results: Lainson Avenue Rehabilitation
Urban-style Greenspace Master Plan: Pocket Park
4 lane wide road
Bridge Widening & Street Reconstruction Spotlight Northeast 36th Street Upgrades
Highway Safety Plan Update Aims for Zero Fatalities
JewEllsworth Trail
Final map of the Northwest River District Revitalization Plan.
Expansive Public Engagement Key for Northwest River District Revitalization Plan: Fort Dodge
Stream Restoration & Stabilization: Noelridge Park
McFarlane Bridge
Pavement Analysis Leads to Reconstruction of Residential Road
Outlets of Des Moines & Shoppes at Prairie Crossing
Athletic Facility Master Plan: Ames Schools
Aerial view looking northwest in Fort Dodge shows traffic moving smoothly through the 1st Avenue South and South 12th Street roundabout
Award-Winning, Cross-Town Connector Project Unites Fort Dodge through Corridor Realignment
CRST Center
Full-Scale Reverse Osmosis Water Treatment System: Atkins, Iowa
3-D Modeling Design Technology Increases Efficiencies for Roadway Reconstruction: Interstate 35
ADA Compliant Sports Field Design: Urbandale Miracle League Field
Football game at night, on the field behind goal post.
Multipurpose Natural Turf Sports Field Design: Nevada Schools
First Avenue Grade Separation Results in Transformational Safety Upgrade
Aerial view of a residential to roadway construction zone.
Temporary Driveway Assistance Devices Reduce Costs for Street Reconstruction: Webster City
Night time pond overlook
Design & Implementation of Park Master Plan Creates Terry Trueblood Recreation Area
The Hydroelectric Dam in the midst of demolition, re-opening the Des Moines River.
Fort Dodge Dam Removal: Des Moines River
Knoxville Bicycle & Trail Master Plan
man riding atv vehicle on off road track ,people outdoor sport activities theme
Gypsum City Off-Highway Vehicle (OHV) Park Design & Master Plan
Spring Creek Sports Complex
Kanesville Pedestrian Bridge
Anamosa Wastewater Plant Switches to Aeration Activated Sludge Treatments
The Edge & Nexus at Gray’s Landing Mixed-Use Developments
Dundee Streetscape
easter lake bridge
Mark C. Ackelson Trail Design Enhances Easter Lake Park Renovations
Starkweather Bike Path
All-Inclusive Playground & Baseball Field: Ankeny Miracle League
terra lake playground pads
Regional Community Park & Trail Planning at Johnston’s Terra Lake Park
Flood Damage Repair & Dam Reconstruction Reduces Safety Concerns: Summit Lake Dam
Sac City Treatment Plant Renovations Renew Timeworn Wastewater System
Cedar Falls Lift Station
Kempton Bridge & NW 66th Avenue
Oralabor Gateway Trail
Survey & Conceptual Layout of Utilities & Streets: Tom Hanafan River’s Edge Park
Trailhead Master Plan: Bondurant Trailhead Park
large rocks alongside ada hayden lake shoreline
Water Needs Drive the Creation & Evolution of Ada Hayden Heritage Park
National Guard Campus Rehab
walnut creek sign
Walnut Creek WMA: A Holistic Approach to Watershed Management
Multipurpose Athletic Facilities Master Plan: Indianola Community
Williams Stadium Improvements
Ames Stadium Turf Replacement
East Manawa Drive Trail
WRA Four Mile Interceptor
front entrance of new water treatment facility
Reverse Osmosis System Addition Improves Panora Water Treatment Plant
UNI Hudson Road Overpass
High Trestle Trail & Bridge Connects Central Iowa Trail Network
SW Irvinedale Drive
Aesthetic Bridge Design Adds Appeal to Interstate 35 & Iowa 5 Interchange
Devastating Flood Damage Leads to Interstate 680 Emergency Roadway Repair
Roadway Improvements Upgrade Multimodal Hub: Iowa State University/Morrill Road
Prairie Ridge Redevelopment
On-Call Statewide Traffic & Safety Engineering
Guided by Context-Sensitive Solutions, Street Upgrades in the City of Ankeny Focus on the Future
Public Plaza Design Incorporates Environmental Benefits: Prairie Heritage Civic Plaza
Comprehensive Development Plan: City of Indianola
Infrastructure Reconstruction: Council Bluffs South 1st Street
Winterset Streetscape Design
Urban Site Development Design: Wellmark YMCA
Train running on tracks underneath a highway overpass in Jefferson Iowa.
Grade Separation Reduces Delays, Improves Safety, and Lays Groundwork for Railroad Quiet Zone