Dong Tru Bridge is located in Long Bien district (North of Duong River), Hanoi.
Dong Tru Bridge, with 8 lanes over Duong River, has a length of 1.140m. In addition to the both-end path system, the bridge includes 3 main spans, including 2 side spans of 80m long and a span in the middle of the river with the length of 120m. It also is applied new technology called concrete-filled steel tube arch bridge, which is used for the first time in Vietnam. This is the key bidding package of 5 Extended Road projects. According to the contract signed in 2009, the total value of the Dong Tru bridge bidding package is 882 billion VND.