Two steel bridges of Mai Dich Interchange, which is combined of 8 pier-heads and 10 spans each bridge, where the largest piece is 26.5m x 5.5m x 1.3m and weighs 76 tons.

Since the project location is located at an intersection which is a busy traffic center of Hanoi City, the installation work is carried out mainly at night in order not to affect traffic at the interchange.