The Freyssinet Test Arch (in French Arche d'essai Freyssinet) is a prestressed concrete arch built in 1909 in Moulins, Allier by Eugène Freyssinet1.^[1] Its purpose was to test the resistance of this material to traction exerted on very flat and long-range arches.^[1] Freyssinet wanted to validate this prestressed concrete technique which he had perfected before the construction of three road bridges over the Allier river which he was to undertake in the following years: the Veurdre Bridge [fr], the Boutiron Bridge [fr] and the Châtel-de-Neuvre bridge.^[1] As the first testimony to this innovative technique, the arch has been registered as a Monument historique since October 2021^[1] with Boutiron Bridge, the only existing original bridge of the three.

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Freyssinet Test Arch

Arche d'essai Freyssinet
The arch is largely buried and enclosed in vegetation
46°33′21″N 3°20′06″E
Location	Moulins, Allier France
Designer	Eugène Freyssinet
Type	Arch
Material	Prestressed concrete
Length	50 metres (160 ft)
Width	2.5 metres (8 ft 2 in) (max)
Height	2 metres (6 ft 7 in)
Beginning date	1909
Completion date	1909
Dedicated to	Strength test

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