HOK and Snow Kreilich raise a thin canopy over the St Louis football stadium

Global design studio HOK and Minnesota-based Snow Kreilich Architects have teamed up to create the Citypark urban sports campus and stadium for the Major League Soccer club in St Louis, Missouri.


Designed for the St. Louis City Soccer Club, Citypark spans 25.5 acres in downtown St. Louis. Louis, near the iconic Gateway Arch and the Mississippi River.

HOK Stadium and Snow Kreilich Architects
HOK and Snow Kreilich Architects created an urban sports campus and stadium

«[The venue] it shifts the narrative of an MLS stadium from an enclosed unique space separate from the city to a public space that brings all of St Louis together to become part of the civic soccer experience,” the team said.

Completed in November 2022 by HOK and Snow Kreilich Architects, the complex includes a 22,500-seat stadium, team headquarters and training facility, and features a structural system made primarily of recycled steel.

The city pavilion building
The stadium was built on a former highway branch

The stadium was built on a former freeway ramp and parking lot with elevated topography that allowed the field level to be set 17 feet (5.1 meters) below the concourse at street level and reduced the height of the building relative to the building’s surroundings.

The team submerged operational and support spaces underwater – accessed via tunnels and buried loading docks – to create a 360-degree seamless fan experience that connects to the surrounding street grid.

St Louis City Stadium
The ground floor of the rectangular stadium is surrounded by light gray brick and glass

The ground floor of the rectangular stadium is surrounded by light gray brickwork and glass, which allow a view of the venue and from it.

In addition, an elevated upper concourse wraps around the building with a drink rail along the facade, opening the stadium to game day festivities on the outside of the stadium.

Urban sports campus and stadium
Different beam sizes to make the edges of the canopy look thinner

The 120-foot-wide, trellis-like canopy is supported by two rows of columns—an inner row of robust, compression columns and an outer row of delicate, tension columns—to balance over a steeply sloped concrete seating bowl.

«It acts as a front porch to the city and creates connections between the city and the activity of the stadium,» HOK said.

HOK and Snow Kreilich Architects wanted to create a modernist structure reminiscent of the Gateway Arch while providing shade for fans and amplifying the sound of the cheers.

Indoor event space
A flexible indoor event space is at the heart of the complex

«Citypark represents a seamless fusion of civil engineering and architectural planning,» say the studios.

«Through a coordinated system that showcases steel in a variety of ways, structural engineering complements architecture, creating open, interconnected spaces and fluid exterior forms.»

Lightweight span girders were combined with an invisible lateral system that concealed the seismic support. Meanwhile, the canopy’s shallow console is supported by a pull-out system and various bracket sizes that allow the canopy’s edges to appear slimmer.

HOK Stadium and Snow Kreilich Architects
The pull-out system supports the shallow canopy console

Opening its inaugural season in 2023, the venue has billed itself as “a zero-waste venue: with 100% recycled structural steel – which can be dismantled and reused – low-energy LED lighting, low-water-flow fixtures and high building performance controls.

«Urban Stadium is as connected and focused on the city as it is on football,» the team said.

An additional 17,000 square feet (1,580 square meters) of flexible indoor event space sits at the center of the complex, offering views of the field to the north, the practice fields to the south and the Mall to the east.

Meanwhile, 70,000 square feet (6,500 square meters) of outdoor space on the east side of the complex provides public infrastructure for civic events, food and performances – further connecting the stadium to its context.

    HOK and Stadium by Minnesota-based Snow Kreilich Architects
The stadium is in St Louis, Missouri

Other professional sports facilities HOK is currently working on include Major League Soccer’s first all-electric stadium for the New York City Football Club in Queens and the renovation of the National Football League’s Jacksonville Jaguars’ deep-dome stadium in Florida.

Photographed by Michael Robinson.


Project credits:

Subscriber: Louis CITY SC
Design Architect: HOK
Design Architect: Snow Kreilich Architects
Architectural support: KAI companies
Architectural support: WA, Inc.
Landscape architect: HOK
Support for landscape architecture, irrigation: DG2 design
Grass design: Kimley-Horn
Construction manager: MAK Joint Venture (Mortenson Construction, Alberici Construction, Keeley Construction)
Steel manufacturer: Hillsdale Fabricators
Steel details: Esskay Structures Inc
Steel fitter: Auburn Constructors, Inc
Owner’s representative: Kwame Building Group + Unlimited number of partners
Static: HOK
Support for construction and high-rise construction: David Mason & Associates, Inc
MEP engineering, fire protection and technology: ME Engineers
Plumbing engineering support: Custom engineering
Sustainability consultant: HOK
Interior equipment: HOK + Snow Kreilich Architects
Architecture/Internal Support, FF&E: Arcturis
Markings and wayfinding: Kiku Obata & Company
Light designer: ME Engineers
Code: Code Consultants, Inc
Wind studies: CPP Inc
Availability: Ed Roether Consulting, LLC
Technology design support: Faith Group, LLC
Food service: S20 Consultants, Inc
Vertical transport: Van Deusen & Associates, Inc

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