Roman Bridge (Saint-Thibéry)

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Roman Bridge
Coordinates Lua error in package.lua at line 80: module 'strict' not found.
Carries Via Domitia
Crosses Hérault River
Locale Saint-Thibéry, Hérault, France
Design Segmental arch bridge
Material Stone
Total length Ca. 150 m
Width 4 m
Longest span 12 m
Number of spans 9
Construction end Reign of Augustus (30 BC–14 AD)
Roman Bridge is located in France
Roman Bridge
Roman Bridge
Location in France

The Roman Bridge at Saint-Thibéry (French: Pont romain de Saint-Thibéry) was a Roman segmental arch bridge on the Via Domitia in southern France.[1] The partly surviving structure crossed the river Hérault in Saint-Thibéry, 17 km east of Béziers.[2]


Nearby water mill

The ancient bridge had nine arches with spans of 10–12 m. The roadway rested on wide piers, which were protected on both sides by arched floodways and large cutwaters.[2] The original length of the structure is estimated as 150 m, its road width as 4 m.[2] The missing spans are known to have been destroyed by flood some time before 1536.[2]

The remaining arches, with a span to rise ratio of 3.3:1 (115°) or more, show a visibly flatter profile than the semi-circular arches usually preferred by Roman engineers (180°).[1][2] The rib thickness varies between one-tenth to one-twentieth of the span, corresponding to a common ratio also observed at a number of other Roman stone bridges.[3] The structure is dated to the reign of emperor Augustus (30 BC–14 AD). Immediately upstream an old water mill and its millrace is located.[2]

See also


  1. 1.0 1.1 O’Connor 1993, p. 171
  2. 2.0 2.1 2.2 2.3 2.4 2.5 O’Connor 1993, pp. 98–99
  3. O’Connor 1993, p. 169f.


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External links

Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons

  • s0002566 at StructuraeLua error in Module:WikidataCheck at line 28: attempt to index field 'wikibase' (a nil value).
  • Traianus – Technical investigation of Roman public works