Three people have died in separate crashes.
Three people have died in separate crashes in Auckland and the Waikato overnight.
One person died after a two-vehicle crash at Clendon Park this morning.
Emergency services were called at about 2.50am after reports of a crash between a ute and a motorbike on Roscommon Road.
Police said the motorcyclist had since died.
Emergency services were also called to the suburb of Peacocke in Hamilton at 10pm last night.
A motorist died in a single-vehicle crash on Ohaupo Road, to the south of the city. A crash investigation was ongoing.
In a third incident, a person died after a crash between a motorbike and a car at around 6.50pm last night on Coronation Road, Morrinsville.
Police said the Serious Crash Unit had investigated the scene and an inquiry into the crash was ongoing.
The defect is common with bridges of its type right across the country.