ScienceBridge: closed!To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGabriel Borrud03/23/2015March 23, 2015"Germany's bridges are falling apart," says the German Marshall Fund. About 40 percent need urgent work. But why, and will they be replaced with engineering feats of the future?https://p.dw.com/p/1EvkEAdvertisement Report: Gabriel Borrud, Duisburg