Alcántara Bridge [SEP] material used
Alcántara Bridge
The Alcántara Bridge (also known as Trajan's Bridge at Alcantara) is a Roman bridge at Alcántara, in Extremadura, Spain. Alcántara is from the Arabic word "al-QanTarah" (القنطرة) meaning "the bridge". The stone arch bridge was built over the Tagus River between 104 and 106 AD by an order of the Roman emperor Trajan in 98.
Construction.
The bridge's construction occurred in the ancient Roman province of Lusitania. In Ancient Rome, the costs of building
in the greatest civil engineering achievement of its time, Trajan's Bridge, which rested on twenty huge concrete piers and was used during the Dacian Wars for moving troops across the more than wide Danube.
Moorish geographers make no mention of the Alconétar Bridge, even though they praise the Roman bridge of Alcántara which also leads across the Tagus. There is some evidence that a community called Alconétar, Alconétara or Alcontra (Arabic: "small bridge") existed at least temporarily – probably an indirect reference to the high-rising