The Agen Aqueduct is an aqueduct

Aqueduct

An aqueduct is a water supply or navigable channel constructed to convey water. In modern engineering, the term is used for any system of pipes, ditches, canals, tunnels, and other structures used for this purpose....

 which carries the canal de Garonne

Canal de Garonne

The Canal de Garonne, formerly known as Canal latéral à la Garonne, is a French canal dating from the 19th century which connects Toulouse to Castets-en-Dorthe. The remainder of the route to Bordeaux uses the Garonne River. It is the continuation of the Canal du Midi which connects the...

 across the Garonne

Garonne

The Garonne is a river in southwest France and northern Spain, with a length of .-Source:The Garonne's headwaters are to be found in the Aran Valley in the Pyrenees, though three different locations have been proposed as the true source: the Uelh deth Garona at Plan de Beret , the Ratera-Saboredo...

. It is located in the Agen

Agen

Agen is a commune in the Lot-et-Garonne department in Aquitaine in south-western France. It lies on the river Garonne southeast of Bordeaux. It is the capital of the department.-Economy:The town has a higher level of unemployment than the national average...

 commune, in the Aquitaine

Aquitaine

Aquitaine , archaic Guyenne/Guienne , is one of the 27 regions of France, in the south-western part of metropolitan France, along the Atlantic Ocean and the Pyrenees mountain range on the border with Spain. It comprises the 5 departments of Dordogne, :Lot et Garonne, :Pyrénées-Atlantiques, Landes...

 region of France.

Description

The aqueduct is a dressed stone masonry structure consisting of 23 arches, each of 20m span, which at the time of its completion was the longest navigable aqueduct in France. It has a length of 539 metres, a width of 12.48m and a canal width of 8.82m.

The width of the channel is insufficient to allow boats to pass each other whilst on the aqueduct. Boats must wait for oncoming traffic to clear the aqueduct before crossing. There is a lock

Lock (water transport)

A lock is a device for raising and lowering boats between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is a fixed chamber in which the water level can be varied; whereas in a caisson lock, a boat lift, or on a canal inclined plane, it is...

 and a canal basin downstream, and a canal basin upstream, of the aqueduct.

History

The aqueduct was built entirely of stone blocks from Quercy

Quercy

Quercy is a former province of France located in the country's southwest, bounded on the north by Limousin, on the west by Périgord and Agenais, on the south by Gascony and Languedoc, and on the east by Rouergue and Auvergne....

, under the direction of the engineer Jean-Baptiste de Baudre. On 25 August 1839 Ferdinand Philippe, Duke of Orléans laid the first stone. In 1841 the building of the Bordeaux

Bordeaux

Bordeaux is a port city on the Garonne River in the Gironde department in southwestern France.The Bordeaux-Arcachon-Libourne metropolitan area, has a population of 1,010,000 and constitutes the sixth-largest urban area in France. It is the capital of the Aquitaine region, as well as the prefecture...

 to Toulouse

Toulouse

Toulouse is a city in the Haute-Garonne department in southwestern FranceIt lies on the banks of the River Garonne, 590 km away from Paris and half-way between the Atlantic Ocean and the Mediterranean Sea...

 railway interrupted work on the canal and the aqueduct was rented to farmers for use as a short cut avoiding the Bridge of Agen. The tolls however, were too high to make this idea work. On the 5th May 1846 the work was ordered to resume by a vote in favour of a government act. The aqueduct finally came into service in 1849.

External links

• The French article from which this article was translated
• Pont-canal d'Agen
• Pont-canal d'Agen, in French