The Arapsu Bridge is a Roman bridge

Roman bridge

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....

 in Antalya

Antalya

Antalya is a city on the Mediterranean coast of southwestern Turkey. With a population 1,001,318 as of 2010. It is the eighth most populous city in Turkey and country's biggest international sea resort.- History :...

, Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

. The well-preserved footbridge lies in the Arapsuyu district, 5–6 km west to the city center, at the foot of an ancient mound which is associated with the Greek colony of Olbia

Olbia (disambiguation)

Olbia may refer to:* Olbia, in Sardinia* Olbia, Egypt, later called Arsinoe* Olbia, Ukraine * Olbia, Libya, later called Polis Nea Theodorias and Qasr-Libya / Qasr Lebia...

.

Partly submerged by a modern weir

Weir

A weir is a small overflow dam used to alter the flow characteristics of a river or stream. In most cases weirs take the form of a barrier across the river that causes water to pool behind the structure , but allows water to flow over the top...

 about 100 m downstream, the exact form of its masonry arch is difficult to determine. According to Bean, the slightly pointed arch indicates a post-ancient

Byzantine Empire

The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

 construction date. O'Connor, however, classifies the bridge as a Roman segmental arch bridge, examples of which have survived in the neighbouring province

Roman province

In Ancient Rome, a province was the basic, and, until the Tetrarchy , largest territorial and administrative unit of the empire's territorial possessions outside of Italy...

 Lycia

Lycia

Lycia Lycian: Trm̃mis; ) was a region in Anatolia in what are now the provinces of Antalya and Muğla on the southern coast of Turkey. It was a federation of ancient cities in the region and later a province of the Roman Empire...

 (such as the Limyra Bridge

Limyra Bridge

The Limyra Bridge is a late Roman bridge in Lycia, in modern south-west Turkey, and one of the oldest segmented arch bridges in the world. The long bridge is located near the ancient city of Limyra, and spans the Alakır Çayı river over 26 segmental arches...

).