In August 2018, a section of the Morandi Bridge in Genoa collapsed in heavy rain, killing 43 people. After the disaster, the company of the high-profile Italian chief designer Renzo Piano was selected to design its alternative. After 15 months of almost uninterrupted construction, the new bridge has now been completed and put into use.
Although the collapse of the Morandi Bridge was a tragedy in the first place, it also represented the loss of a much-needed transportation link in the area. With this in mind, the designer completed its replacement project as soon as possible. The project is now named the San Giorgio Bridge in Genoa. More than 1,000 employees from 40 industries work in shifts day and night, except for Christmas and other days of bad weather, which makes work impossible.
The bridge consists of curved steel decks made of large steel plates, which are then transported to the construction site and welded together. It has a total length of 1,067 meters (3,500 feet) and is supported by 18 reinforced concrete piles. A 2.5 m (8.2 ft) high glass barrier prevents falls and reduces wind on the bridge. Renzo Piano Architecture Studio (RPBW) likens its overall design to a ship hull. From an architectural point of view, the form described on the deck, reminiscent of the hull, is very important. The part facing both ends of the bridge gradually decreases, weakening the visual impact of the new infrastructure. In addition, the use of light colors for the coating of steel components makes the bridge bright and harmonizes its presence in the landscape.
The San Giorgio Bridge in Genoa involves more than 1,000 people in 40 types of work, working uninterrupted and synchronized 24 hours a day. There are integrated solar panels on the edge of the bridge deck, which generate enough energy to keep the bridge's lighting and other systems running day and night. The safety and maintenance of the bridge have also received great attention. Professional dampers can prevent seismic activity, and robots are used to clean glass barriers and solar panels. The robot also monitors the structure of the bridge and adds the collected data to a complex sensor system, including accelerometers, speedometers, inclinometers, and detectors for joint expansion and other potential problems. Everything from the thickness of the paint to the strength of the welds holding the bridge deck together will be closely monitored to ensure that the bridge will continue to operate safely for many years to come.
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