Wikipedia:<br>Very early due to different pole rest finds in the Rhine, the presumption was that, between Koblenz and Ehrenbreitstein, a bridge transition had been built in Roman times. The Capuchin reason, a former Shoal in the Rhine at this point, seemed to offer themselves outright for a bridge. This shoal was leveled in the 19th century to improve the navigation channel. Wooden piles that had been hit in the bottom of the Rhine, were found and lifted. This collection were of piles to be the remains of a Brückenjoches. The occasionally expressed presumption, it was Gaius Julius Caesar's Rhine bridge, which is located at Neuwied, but never been proved, is through the specific constellation of refuted, where the wooden poles were arranged because it does not fit into the traditional descriptions Caesarian bridge over the Rhine.
 
 It came to wars between Germanic tribes and the Romans in the 1st century. Many troops were pulled together for this reason in the Roman Auxiliarlager of Koblenz. The exact time of construction of the bridge is open, probably, but it was built for the supply of the troops on the right side of the Rhine.
 
 Bridge over the Rhine was 350-370 m long, had a height of 8.5 m and was built from oak trunks. 650-750 Tribes about needed for the construction of the bridge. The stakes in the bottom of the Rhine were equipped with iron lace, known as pile shoes. 51 of these piles are still preserved. You could date the case date of oak logs 49 A.d. on the year. [1]
 
 After the limes ready was built out in the 2nd century, the pile bridge over the Rhine their meaning lost. It is not known when the bridge finally was abandoned.