Alcántara Bridge.html |
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| Alcántara Bridge | |
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| Crosses | Tagus River |
| Locale | Alcántara, Spain |
| Designer | Caius Julius Lacer |
| Design | Roman arch bridge |
| Material | stone |
| Number of spans | 6 |
| Longest span | 28.8 metres (94 ft)1 |
| Total length | 194 metres (640 ft)1 |
| Width | 8 metres (26 ft)1 |
| Height | 71 metres (230 ft)1 |
| Beginning date of construction | 104 C.E. |
| Completion date | 106 C.E. |
| Coordinates | Coordinates: |
The Alcántara Bridge (aka Puente Trajan at Alcantara) is a Roman stone arch bridge built over the Tagus River at Alcántara, Spain between 104 and 106 C.E. by an order of the Roman Emperor Trajan in 98 C.E.2. It bears the inscription Pontem perpetui mansurum in saecula on the archway over the central pier.2
Contents |
History
The Alcántara Bridge has taken more damage from war than from the elements. The Moors destroyed the smallest arch on one side in 1214. This was rebuilt in 1543 with stone from the original quarries. The second arch on the the other side was destroyed by the Spanish to stop the Portuguese, and was repaired in 1762 by Charles III, only to be blown up again in 1809 to stop the French. Temporary repairs made in 1819 were replaced in 1860 with mortared masonry.2
References
- ^ a b c d Alcantara Bridge in the Structurae database
- ^ a b c Whitney, Charles S. [1929] (2003). Bridges of the World: Their Design and Construction (in English). Mineola, New York: Dover Publications, pp.75-79. ISBN 0-486-42995-4.
Further reading
- O’Connor, Colin (1993). Roman Bridges. Cambridge University Press. ISBN 0-521-39326-4.
See also
External links
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