Beijing Capital International Airport’s terminal connecting line and the armed police crossing overpass project. Bridge height: 4.5 meters in height, 3 meters in width, and 32 meters in length. The structure is an all-steel structure. The construction period was 30 days. The construction started on May 1, 2008 and was completed and accepted on May 30, 2008. This bridge is the third-phase supporting project of the airport. It passed the first acceptance and was highly praised by the construction unit.