The Waitangi Bridge will be closed for five hours on Friday to allow full load-bearing testing to take place.
Waka Kotahi NZ Transport Agency said the aim of the testing was to open the bridge to two lanes of traffic, as only one is currently open.
The work is set to take place between 10am and 3pm on Friday with a full road closure.
Hawke’s Bay and Gisborne journey manager for Waka Kotahi, Andre Taylor, said the outcome of the test would determine whether the bridge could be opened to two lanes of traffic.