At 10:00 a.m. on October 28^th, the main line of Chongqing Hongyancun Bridge, which CRBBG participated, was officially opened to traffic.

Chongqing Hongyancun Bridge is a cable-stayed truss bridge with high and low towers and double cable faces, and has a total length of 725 meters and a main pain of 375 meters. The main girder is a plate-truss composite steel truss, and the upper and lower decks are orthotropic decks. The upper deck, with 31m width, is a two-way six-lane urban expressway; the lower deck, with 27m width, is a double line urban traffic rail and two-way four-lane urban branch road. CRBBG undertook the manufacture of 15,100 tons of steel structures including steel trusses and steel anchor boxes.

Hoisting of the first steel truss

Shipment of steel anchor boxes

Closure of a bridge

tercity Railway, which is located 2.3 km upstream of Ma'anshan Yangtze River Highway Bridge on Changhe Expressway. The cross-river section adopts the multi-channel bridge scheme such as "Chao-Ma Intercity Railway + Reserved Rail Transit Line + Urban Expressway". The main channel bridge has a main span of 1,120 meters. It is designed as a three-tower six-span steel truss cable-stayed bridge, with the total length of the main bridge is 3,248m. .