Infrastructure has long defined the backbone of cities by linking people, landscapes, and economies through systems that often go unnoticed until they fail. Today, as global challenges demand more adaptive and human-centered responses, architects are rethinking what infrastructure can be: not just a framework for movement and utility, but a catalyst for ecological restoration, cultural continuity, and civic imagination. The following unbuilt projects, submitted by the ArchDaily community, explore this expanded role of infrastructure, where airports, bridges, industrial parks, and pedestrian networks become architectural expressions of connection and care.
Architectural competitions are valuable learning tools, offering architects a unique opportunity to experiment and expand their creative boundaries. By engaging with real-world challenges and receiving critical feedback, participants gain practical experience and a deeper understanding of the profession. Whether conceptual or not, competitions foster innovation, encouraging design professionals to think outside the. This week's curated selection showcases winning competition entriessubmitted by the ArchDaily community, providing architects and architecture students with new perspectives and inspiration for their own practice, be it diploma projects, professional licensing, or commissions.
From an immersive urban park in Seoul, South Korea, to a rural education campus in the Amazon, or a reimagined port in Corsica, this selection highlights projects that have stood out in competitions from around the world. While some of the proposals have been developed by established firms, including KAAN Architecten, ArchiWorkshop, Studio Akkerhuis, or Richez Associés, these competitions have also proven to be an opportunity for emerging designers to showcase their creativity and problem-solving abilities
WilkinsonEyre has just been selected to design the new Equinox Bridge in Toronto, Canada. Designed in collaboration with Zeidler Architecture, Two Row Architect, and Arup, this bridge will connect the central waterfront to Villiers Island and the expanded park system along the new mouth of the Don River. Selected through a competition commissioned by Waterfront Toronto and the City of Toronto, the bridge seeks to foster a connection between people and water.
Urban infrastructure intended for city connectivity disrupts urban patterns and often leaves behind a series of spaces without a properly defined use. Fortunately, the notion of space beneath infrastructure is being redefined, as architects are generating public spaces nestled under flyovers, bridges, and other urban structures.
Formerly neglected spaces, overlooked or dismissed as mere leftovers of urban planning, are now transformed into dynamic environments for community engagement and artistic expression. Architects, city planners, and the users themselves are embracing the challenge of reclaiming forgotten or underutilized areas and developing innovative solutions, integrating greenery, art installations, and sustainable elements into the urban fabric.
Following the collapse of the Francis Scott Key Bridge in Baltimore, Maryland, construction group WeBuild, in collaboration with design office CRA-Carlo Ratti Associati and engineer Michel Virlogeux, has revealed an updated design for a replacement bridge. The new cable-stayed design aims to redefine the entrance to the Baltimore Harbor and offer an improved version of this symbol of the city.
In a city, celebrating the act of walking has become a form of non-traditional planning. In the age of cars, challenging the dominance of vehicular transportation by championing the pedestrian experience is not very common. For this reason, pedestrian bridges worldwide stand as symbols of connectivity and architectural ingenuity. These soaring structures embody the urban experience for its core user: the pedestrian. Although the structures began as practical solutions to traffic management, they have evolved into iconic landmarks and pivotal components of city planning.
The significance of these projects represents a shift towards human-centric design in urban landscapes. The Kusugibashi Bridge in Japan, rebuilt by Kengo Kuma & Associates symbolizes resilience, while the Hangzhou Riverfront Public Space’s Silk Bridge showcases urban connectivity through revitalizing the waterfront. The Donnguan Central Area Slow-Traffic Bridge addresses connectivity and greenery, and SBE NV’s Vlasburg Bridge dedicates itself to enhanced water routes for the community. Collectively, these bridges drive urban revitalization into the future, emphasizing sustainability and integrating with community needs.
Architectural competitions play a crucial role in developing the architectural profession and in advancing the quality of the built environment. They are also an opportunity for architects to showcase their creativity and experiment with innovative or unexpected architectural solutions, be it for real or imagines contexts. This week's curated selection of Best Unbuilt Architecture highlights different competition-winning designs submitted by the ArchDaily Community.
From a spa and wellness center seamlessly integrated into the mountainous landscape of Austria to a refurbished city center that creates opportunities for social interaction in one of Bulgaria’s largest pedestrian city centers, the round-up spans various programs, scales, and attitudes toward the built or natural environment. The selected projects represent explorations in various design solutions, materials, and construction methods. They also showcase the broadness of possible responses ignited by site-specific conditions, from the volcanic landscape of Iceland, to the picturesque hills of the Kerala region in India or the lively central plaza in one of Israel’s largest cities.
Construction is underway for OMA’s Simone-Veil Bridge in Bordeaux, with the first elements of the metal framework installed on the right bank of the Garonne river. Spanning 548 metres, the sixth bridge across the Garonne will connect the municipalities Floirac and Bègles and provide the city with a new public space, thus framing the bridge as a contemporary boulevard. Designed as a continuous surface extended to landscaped public spaces on each bank, the 44-metre bridge will accommodate cars, public transport, bicycles, with the largest surface dedicated to pedestrians. When completed, the project will become the first bridge in OMA’s body of work.
The city of Venice has decided to replace the glass on Santiago Calatrava’s Ponte della Costituzione with stone, as the slick surface was the cause of numerous incidents. The decision comes after several attempts to limit slips using resin and non-slip stickers, even placing keep-off signs on the glass surface when the winter weather rendered the floor increasingly dangerous. Inaugurated in 2008, the bridge has been the subject of controversy and protest from the onset, as the building costs and timeframe surpassed initial estimates and complaints about falls began early on.
The Graceful Dancer - New Yongxin Old City’s Entertainment District. Image Courtesy of Estúdio Leonardo Zanatta
This week's curated selection of Best Unbuilt Architecture highlights public spaces and buildings submitted by the ArchDaily Community. From bridges to squares, from parks to markets and train stations, this article explores the various kinds of public infrastructure that support the urban fabric, showcasing distinct approaches worldwide.
Featuring a bridge that doubles as a garden in China, the redevelopment of public spaces to meet contemporary needs in Montenegro and the Czech Republic, or a pier park in New York, the round-up spans various scales, from single architectural objects to urban strategies, to masterplans. The following projects reveal the ideas that shape public spaces and amenities in different contexts, illustrating diverse approaches towards what constitutes the backbone of the urban fabric.
When we are discussing the definition of “structure”, the term varies within different disciplines. In the context of the built environment, "structure" refers to anything that is constructed or built from different interrelated parts with a fixed location on the ground.
Bridge House / BIO-architects. Image Cortesia de Ivan Ovchinnikov
Metaphorically, building bridges equates to creating new opportunities, connections, and paths. The first bridges likely formed naturally with logs falling across rivers and natural depressions, though humans have also been building rudimentary structures to overcome obstacles since prehistory. Today, technological advances have made it possible to erect bridges that are both impressive and sculptural, playing a key role in transportation and connectivity. Usually needing to overcome large spans, with few points of support, bridges can be quite difficult to structure. But when is the bridge more than a connection between two points, instead resembling a building with a complex program? How can these 'bridge houses' be structured?
FOUN’TA’SY. Image Courtesy of Public Housing Enterprise J.S.C
Looking at the urban environment, this week’s curated selection of the Best Unbuilt Architecture highlights interventions in public spaces, submitted by the ArchDaily Community. Suitable for this monthly topic, the article underlines worldwide approaches that tackle the challenges of these areas through the introduction of innovative solutions.
Exploring a multitude of methods fitting for different contexts, this feature presents a tactical urban strategy implemented in a neighborhood in Kosovo and micro-mobility measures in Italy. Other projects evoke public approaches in private developments and enhanced historical and cultural connections between parks, buildings, and cities. In addition, this roundup showcases conceptual interventions that tackle social distancing and the challenges of the pandemic, in order to allow people to move freely and safely across space.
Vincent Callebaut Architectures has created “The Green Line”, an inhabited garden footbridge prototype that “generates its own energy from renewable sources, recycles its own waste and wastewater, and optimizes its needs thanks to Information and Communication Technologies”. Inspired by a fish skeleton, the proposal links the Bercy Village to the Masséna district in Paris, restoring urban connections and connecting the 12th and 13th arrondissements.
Zbraslav Square . Image Courtesy of Architects for Urbanity
Recognizing the importance of international contests in pushing forward inventive concepts and design, ArchDaily has put together a curated selection of Best Unbuilt Architecture featuring competition entries from around the globe. Submitted by our readers, these projects include winning proposals, honorable mentions, and recognized admissions.
In this week’s article, urban interventions take the lead with multiple square designs and infrastructural elements. On the cultural level, projects underlined include Museums in Iran and Norway, a National Concert hall in Lithuania, and a Mosque in Turkey. For the civic category, the functions highlighted comprise a new city hall for a South Korean district and an Indian community development center for at-risk women. Finally, other programs involve a rural school in Haiti, a tourist center in China, and a housing complex in Prague.
(%C2%A9minorormajor).jpg?1612954566 "Oasis-Playground. Image Courtesy of Studio Minorormajor")
