Dubbo Regional Council will look at ways to stop the River Street Bridge after a divided vote on Monday night.
An extraordinary meeting of council was held to make a decision on the project after the initial vote in July was deferred.
But after hearing from six speakers at the meeting who were against the bridge, councillors made their choice.
They were voting to say they opposed the bridge and wanted to investigate ways in which it should be stopped.
Councillors Jane Diffey, Kevin Parker and Anne Jones did not agree. However, they were outvoted by the other seven councillors.
There was a large cheer from the gathered crowd as the motion was passed.
A report on ways the River Street Bridge can be stopped will be presented at the December council meeting.
Council will also continue to talk with the NSW government about other traffic issues with the city.
Dubbo Regional councillors will meet on Monday night to decide if actions will be taken to stop the River Street Bridge.
An extraordinary council meeting has been called for 5pm on Monday night to discuss the issue. It was initially raised by councillor John Ryan in July.
He wants council to formally express its opposition to the bridge and look into ways the plans can be stopped.
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The River Street Bridge has been designed to improve freight efficiency on the Newell Highway, reduce traffic congestion and provide an alternative route during a one in 20-year flood.
The discussion about what actions should be taken was put on hold while mayor Ben Shields gathered more information. Cr Shields lined up a meeting with NSW Deputy Premier John Barilaro and other senior ministers to discuss the bridge.
"I'd like to negotiate an outcome that is beneficial to both sides of the debate. Both sides can't bury their head in the sand and say they're entirely right. We need to work out that compromise position," he said at the time.
"That's the best outcome before we get the big stick out."
A councillor workshop was also held to ensure they were all fully briefed on the issue.