Calix Viaduct, Road bridge in Hérouville-Saint-Clair, France.
The Calix Viaduct is a road bridge spanning roughly 1.2 km across Hérouville-Saint-Clair and Mondeville. Its main span stretches 156 meters between support pillars, carrying regional traffic over the landscape below.
Built in 1974, the viaduct was created to handle growing traffic demands between the two cities during regional expansion. The structure addressed a key transportation need of that period.
The bridge design reflects French engineering methods of the 1970s, incorporating structural elements that characterize transportation infrastructure of that period.
The bridge is easily accessible and serves as a main regional traffic route. Pedestrians can cross or pass underneath from various entry points along its length.
The structure includes specialized noise barriers positioned about 38 meters above ground level. These barriers protect nearby residential areas from traffic sound.
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