Girders for the new Grafton Bridge project will be delivered to the construction site on the north side of the Clarence River from this Thursday.

Two girders will be delivered on Thursday May 2, three on Friday May 3 and two on Saturday May 4.

The seven girders, pre-cast in Newcastle, will be delivered from the Pacific Highway via the Gwydir Highway, Rogans Bridge Road, Clarence Way, the Summerland Way and make their way to Pound Street site via Turf, Bacon and Breimba streets.

The girders, which are 30 metres long and 2.3 metres wide, will be delivered between 10.30am and 12.30pm each day. Traffic control will be in place at the intersection of Kent and Pound streets, and the delivery vehicles will be under police escort.