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Allianz Field Stadium

Pont Citadelle

Strassbourg, France

Project Details

  • Project location:
    Strassbourg, France
  • Client:
    Compagnie des Transports Strasbourgeois (CTS)
    Eiffage Construction Metallique, Lauterbourg
  • Architects:
    Egis JMI, Lyon

Cable System – Short Technical Description

The bridge is designed as a cable-supported arch system, where the deck is suspended from a single, diagonally oriented steel arch.

  • The deck is carried by 30 locked-coil steel cables, acting as vertical hangers between the arch and the deck.
  • These cables transfer tensile forces from the deck (traffic loads: tram, pedestrians, cyclists) directly to the arch.
  • Structurally, the system behaves as a network of tension elements, ensuring:
    • efficient load distribution
    • minimal bending in the deck
  • The cables are arranged in a semi-radial pattern along the arch, creating a visually asymmetric but structurally balanced system.

⚙️ Structural Role of the Cables

  • Primary function: load transfer in tension (deck → arch)
  • Secondary function: stabilization of the slender deck
  • Interaction:
    • cables (tension)
    • arch (compression)
      → forming a classic arch–cable equilibrium system