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Roman bridge

Roman bridge

:"For a list of all known Roman bridges, see List of Roman bridges":"For the railway station in Wales, see Roman Bridge railway station"

Roman bridges, built by ancient Romans, were the first large and lasting bridges built.

Roman bridges were built with stone and had the arch as its basic structure. Most utilized concrete as well.

Built in 142 BC, the Pons Aemilius, later named "Ponte Rotto" (broken bridge) is the oldest Roman stone bridge in Rome, Italy.

The biggest Roman bridge was Trajan's bridge over the lower Danube, constructed by Apollodorus of Damascus, which remained for over a millennium the longest bridge to have been built both in terms of overall and span length. They were most of the time at-least 60 ft above the body of water.

The longest Roman stone arch was probably Severan Bridge of 34 m, but there are indications of longer arches. An example of temporary military bridge construction are the two Caesar's Rhine bridges.

Usual characteristics of Roman Bridges

* Many are more than 5 meters wide
* Most of them slope slightly
* Many have rustic work
* The stonework has alternating stretcher and header courses ; i.e. one layer of rectangular stones is laid lengthwise, and the next layer has the ends facing outwards
* Stones linked with dovetail joints or metal bars
* Indents in the stones for gripping tools to hold onto(Source [http://traianus.rediris.es/ Traianus] - An endeavour to identify Roman Bridges built in former Hispania)

Gallery

See also

*List of Roman bridges
*Bridges in city of Rome
*Roman architecture
*Roman engineering
*Roman technology

References

* Piero Gazzola, "Ponti romani. Contributo ad un indice sistematico con studio critico bibliografico", Vol. Ponti romani 2, Florence 1963
* Colin O'Connor, "Roman Bridges", Cambridge Univ. Press (1994) ISBN 0-521-39326-4

External links

* [http://traianus.rediris.es/ Traianus] - Technical investigation of Roman public works
* [http://www.iath.virginia.edu/rome/Journal2TaylorNew.pdf The Waters of Rome: Tiber River Bridges and the Development of the Ancient City of Rome]
* [http://www.livius.org/pn-po/pontes_longi/pontes_longi.html Livius.org: Pontes longi] - Roman bog bridges


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