Bridges presentation
accomplishment. The four surviving arches, dating from the bridge's rebuilding around 1350, rank
as one of the most remarkable monuments of medieval times in view of the 101-110ft (31-34m)
elliptical arches with radii varying at the crown and haunches.
As the Middle Ages drew to a close, stone arches of remarkable spans were built in mountain
valleys where rock abutments provided solid foundations for spans in excess of 150ft (50m), such as
the Vieille-Brioude and the Grand Pont du Doux in France.
Renaissance and Neo-Classical bridges
The great era of medieval bridge building was followed by the Quattrocento, the transition period
from the medieval period to the Italian Renaissance, when the confidence and unbounded enterprise
of engineers was manifested in bridges like the 1345 Ponte Vecchio, an early Florentine bridge in
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