Railway viaduct of La Garde-Adhémar The viaduct spans the canal of Donzère, parallel to the Rhône river, underneath the village of La Garde-Adhémar near the motorway A7.
One of the major bridges on the high speed railway track Lyon-Méditerranée, it is 324,60 m long.
It has four spans : two 52 m long side spans and two main bowstrings, 110,30 m long.
A central arch linking both arches increases slightly the rigidity.
The steel arches support a concrete deck.
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