Pont Aval, Concrete bridge in 15th and 16th arrondissements, France.
The Pont Aval is a concrete bridge carrying the Boulevard Périphérique over the Seine between the 15th and 16th arrondissements. It is 312.5 metres long, the longest bridge in Paris, with a flat deck on rectangular piers and shallow arches beneath. It has no official name; "aval" (downstream) was adopted by usage.
The bridge was built in 1968 as part of the Boulevard Périphérique, the ring road that circles Paris. It was constructed to improve traffic flow and connect the western districts more efficiently.
The bridge takes its name from its position as the last crossing point over the Seine within Paris city boundaries. It connects two neighborhoods on the western edge and forms part of the daily commute route for residents and workers in the area.
The bridge is reserved for motor vehicles using the Boulevard Périphérique; pedestrians and cyclists cannot cross it. The nearest métro station is Porte de Saint-Cloud. The deck is a flat concrete span with a low metal railing, and the river and quays are visible from the approaches.
The bridge marks the point where the Seine River leaves Paris city boundaries and flows into the surrounding suburbs. This makes it a geographically important location between the city and the outlying areas.
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