Research conclusions:China has made the great achievements in the design concepts, construction techniques and carriage and erection technologies for high-speed railway bridge since tackling the key scientific and technological difficulties in the design and construction ofhigh-speed railway bridge by theMinistry ofRailways. Now the 32m span double-line integralbox beam is commonly adopted to the high-speed railway bridge in China, which establishes the uniquemode for construction ofhigh-speed railway bridge with 32 m span 900 tonnage simply-supported box beam and also pushes forward the developmentof a setof technologies forbox beam prefabrication, carriage and erection.