Around noon of 18 April 2010, several spans of the Pháp Vân - Mai Dịch segment (then called Pháp Vân viaduct) collapsed into the below ground. No one was hurt in the incident. An investigation by the Ministry of Transportation concluded that there are several factors leading to the collapse of the span, with the main factors being the improper placement of the collapsed span on elastomeric bearing pads.
