Multimodal Urban Bridge Architecture

Mobility³: A Multimodal Urban Bridge Architecture for Copenhagen

Mobility³ explores the future of multimodal urban bridge architecture by rethinking the bridge not as a singular act of crossing, but as a spatial, social, and infrastructural connector. Set within Copenhagen—a city globally recognized for its bicycle culture and relationship with water—the project proposes a bridge that functions simultaneously as an urban passage, a transport exchange, and a civic destination.

Rather than prioritizing one dominant mode of transport, the design embraces the reality of contemporary cities: mobility is plural, situational, and ever-changing. Mobility³ responds by creating an architectural system where pedestrians, cyclists, and harbor boats coexist, intersect, and support one another within a single, coherent structure.

Copenhagen: A City Built on Water and Movement

Before being celebrated as a bicycle city, Copenhagen was—and remains—a city shaped by water. Its canals, harbors, and maritime infrastructure are inseparable from its urban identity. Mobility³ draws from this layered history, positioning the bridge as a mediator between land-based movement and water-based transport.

By situating the project at the crossroads of a bridge and a harbor boat station, the design capitalizes on Copenhagen’s existing multimodal potential. The bridge no longer functions as an isolated line across water, but as a node within a broader mobility network—linking neighborhoods, transport systems, and public life.

Architecture as an Exchange Platform

At the core of Mobility³ is the idea of exchange. The bridge is conceived as a place where mobilities meet, overlap, and transform. Can a bridge designed for pedestrians and cyclists encourage other forms of transport? Can infrastructure become a place to stop, gather, and engage rather than simply pass through?

The project answers these questions by transforming the bridge into a station on the water. Here, users can transition seamlessly between walking, cycling, and boating. The architecture supports moments of waiting, pause, and interaction—introducing cafes, exhibition spaces, repair points, and information centers into what is traditionally a purely functional structure.

A Two-Level Multimodal Structure

The spatial organization of Mobility³ is defined by its dual-level system:

• Upper Level: Dedicated to pedestrians and cyclists, this level acts as an extension of the city’s public realm. It supports slow movement, visual engagement with the harbor, and social interaction.
• Lower Level: Reserved for harbor boats, this level integrates water-based mobility directly beneath the bridge, allowing boats to circulate and dock with direct access to both banks.

This vertical separation ensures efficiency while maintaining visual and spatial continuity between modes of transport. The result is a layered infrastructure that reflects the complexity of contemporary urban movement.

From Infrastructure to Public Space

Mobility³ challenges the conventional boundary between infrastructure and architecture. The bridge is not only a conduit for movement but also a destination in itself. While waiting for a boat or repairing a bicycle, users can drink coffee, attend an exhibition, or access information about the city.

These programmed spaces transform moments of transition into opportunities for engagement. Infrastructure becomes experiential, human-scaled, and culturally active—reinforcing the idea that sustainable mobility must be supported not only by efficiency, but also by comfort and pleasure.

Sustainable Mobility Through Urban Design

The project positions multimodal urban bridge architecture as a critical tool for promoting sustainable transport. Cities are inherently multimodal, and no single means of transport can address all conditions—distance, time, weather, cost, or physical ability.

Mobility³ proposes an urban framework where different modes complement rather than compete with one another. By making transitions intuitive and spatially supported, the design reduces dependence on cars and encourages low-energy forms of movement such as cycling, walking, and public water transport.

A Civic Landmark for the Future City

Architecturally, Mobility³ expresses clarity, openness, and adaptability. The structure is robust yet permeable, allowing views, light, and movement to flow through it. Its identity is legible from afar while remaining accessible and human-scaled at the level of daily use.

As cities continue to evolve, Mobility³ offers a forward-looking model for infrastructure that is socially inclusive, environmentally responsible, and deeply integrated into urban life.

Project Information

Project Title: Mobility³Project By: Pierre Brillard

Award: Honorable Mention, The City Link

Mobility³ demonstrates how multimodal urban bridge architecture can redefine the role of infrastructure—transforming bridges into civic spaces that support sustainable transport, social interaction, and the everyday life of the city.