Puente de San Isidro, Madrid, Concrete bridge in Arganzuela district, Madrid, Spain
The Puente de San Isidro is a reinforced concrete bridge spanning the Manzanares River with three main sections. It extends 289 meters across and accommodates both vehicle and pedestrian traffic with a 26-meter-wide roadway.
Designed by prominent Spanish engineers and completed in 1974, the bridge marked a turning point in Madrid's infrastructure development. Its construction improved traffic flow and accessibility between districts that were previously less connected.
The bridge takes its name from San Isidro, Madrid's patron saint, and serves as a physical link between the neighborhoods of Arganzuela and Usera.
The bridge is accessible daily with clearly separated pedestrian pathways distinct from vehicle lanes. Visit during daylight hours to best appreciate the structure and the river views from the walkways.
The bridge employed cutting-edge engineering techniques of the 1970s and demonstrated span solutions considered advanced for that era. Today it stands as a reflection of how infrastructure projects from that period shaped Madrid's urban landscape.
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