The Ponte di San Francesco (English: "Bridge of Saint Francis") is a medieval segmental arch bridge over the River Aniene in Subiaco, in the Italian region of Lazio. Constructed in 1358, its single span measures 37 metres (121 ft).^[1]

Ponte di San Francesco
Bridge tower protecting access to the Ponte di San Francesco
Coordinates	41°55′27″N 13°05′21″E / 41.92417°N 13.08917°E / 41.92417; 13.08917
Crosses	Aniene
Locale	Subiaco, Lazio, Italy
Characteristics
Design	Segmental arch bridge
Material	Stone
Longest span	37 m (121 ft)
No. of spans	1
History
Opened	1358
Location

Other notable historic bridges crossing the Aniene include the ancient Ponte Nomentano and Ponte Salario, both of which were also fortified with a tower.