Leiyang Bridge (2 of 3) (IMAGE) University of Southern California Caption The 10 meter long modern bamboo bridge under 8 ton traffic loading testing. Credit Yan Xiao Usage Restrictions Credit USC Viterbii School of Engineering License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.