Member for Myall Lakes Stephen Bromhead said Roads and Maritime Services carried out investigations at the bridge last year which has helped to determine the program of work and how it will be delivered.

"The outcomes of the investigation helped to finalise the methodology for the installation of the new traffic safety barriers along the full length of the bridge," Mr Bromhead said.

"The proposed work is required to meet current bridge and B-double route standards, reduce future damage to the bridge and address maintenance needs.

"The work is planned to start by mid-2014 and is expected to take about 12 months to complete.

"The work could have noise impacts for nearby properties and every effort will be made to minimise the effect of noise on residents during the work.

"RMS has investigated different options to deliver the new safety barriers to minimise inconvenience to residents, motorists and the general community.

"Two options have been developed and the community is invited to provide feedback and attend a staffed display.

"The scope and method of repair for the trusses damaged by vehicle collisions is yet to be finalised and more information on this part of the program will be provided later this year," Mr Bromhead said.

The community is invited to drop in to a staffed display to be held on April 1, from 4pm to 7pm at the Manning Valley Visitor Information Centre theatre, 21 Manning River Drive, Taree North. Comments are invited by April 11.