Roman bridge
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The ancient Romans were the first civilization to build large, permanent bridges. Early Roman bridges used techniques introduced by Etruscan immigrants, but the Romans improved those skills, developin
Puente Romano, Mérida, the world's longest (still in use) surviving Roman bridge
Pons Aemilius, the oldest stone bridge in Rome
Ponte Sant'Angelo
Pons Aemilius
Trajan's Bridge
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Trajan's Bridge, also called Bridge of Apollodorus over the Danube, was a Roman segmental arch bridge, on the modern Serbian–Romanian border, the first bridge to be built over the lower Danube and con
Roman bridge
…arch spanning 18.5 metres (61 ft). Wider spans increase the bridge's drainage, reduce water pressure on the spandrels, and reduced the bridge's weight. Trajan's Bridge over the Danube featured open-spandrel segmental arches made of wood (standing on 40 metres (130 ft) high concrete piers). This was to be the longest…
Artistic reconstruction (1907)
Trajan's Bridge northern bank
Remains of Trajan's Bridge on the south bank of the River Danube, Serbia
Relief of the bridge on Trajan's Column showing the unusually flat segmental arches on high-rising concrete piers; in the foreground emperor Trajan sacrificing by the Danube