New Aare Bridge by Christ & Gantenbein: A Contemporary Infrastructure Landmark Rooted in Tradition

Located in Aarau, Switzerland, the New Aare Bridge by Christ & Gantenbein, alongside WMM Ingenieure AG, Henauer Gugler AG, and August + Margrith Künzel Landschaftsarchitekten AG, is a sophisticated example of infrastructural design that honors its historical setting while embracing contemporary urban needs. Completed in 2023, the bridge replaces a deteriorating 1949 structure with a visionary and technically optimized design that redefines the urban riverfront.

Contextual Design and Heritage Integration

Bridges have existed at this very spot since Roman times, forming a crucial link between Aarau’s old town and the northern Jura region. The New Aare Bridge is a continuation of this historical thread. It thoughtfully references earlier structures—including the 1848 “Kettenbrücke”—while introducing a modern architectural identity. The winning competition entry was chosen for its deep sensitivity to the city’s historical and urban fabric, establishing a new civic landmark that complements Aarau’s riverside setting.

Architectural Expression Through Structure

The bridge’s reinforced concrete arches reflect the mass and geometry of nearby historic buildings, piers, and retaining walls. Its light-toned concrete finish mirrors the coloration of local stone, visually embedding the structure within the landscape. Comprising five asymmetrical spans, the arches rest on existing caissons from the previous bridge, demonstrating resourceful reuse. Its monolithic construction—where pillars, arches, flanks, roadway, and parapets form a unified system—enables efficient load distribution and reduces material consumption.

Sustainable Engineering and Public Utility

Spanning 119 meters with a width of 17.5 meters, the bridge supports two vehicle lanes, sidewalks, and bicycle paths. Openings along its sides provide expansive river views, enhancing the bridge’s usability for pedestrians and cyclists. More than a passageway, the structure functions as public space, connecting riverside promenades with landscape elements like meadows, trees, and gathering areas. The bridge is designed as a social connector—a place to pause, observe, and interact with the river.

Urban Renewal and Riverside Activation

On the old town side, a spacious promenade now provides shaded resting areas beneath trees, while the northern riverbank features native vegetation and green expanses. The bridge doesn’t merely link two sides of the river—it activates the waterfront, creating a new urban commons and enhancing Aarau’s public realm.

A Modern Civic Icon

While rooted in tradition, the New Aare Bridge presents itself as a contemporary engineering marvel. Its clean geometry, functional elegance, and urban impact reflect a design ethos that balances heritage respect with forward-thinking design. As a piece of civic infrastructure, the bridge strengthens community connections and enhances the spatial experience of both locals and visitors.

All Photographs are works of Stefano Graziani