Maitland City Council staff have begun to measure the toll this week's flood has had on the region's roads.
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While potholes have appeared on several roads across the city, council experts are not expecting to find significant damage.
More than 220 millimetres of rain pelted down in Maitland on Tuesday and Wednesday.
Eighteen flood-affected roads remained closed across the Maitland area on Thursday afternoon, in Duckenfield, East Maitland, Largs, Oakhampton, Rutherford and South Maitland.
Arguably the most notable of these was Cessnock Road at Testers Hollow.
There was no sign of the road being reopened, with photos circulated on social media showing the floodwater had not receded.
The Mercury understands it could take weeks, even months, for road infrastructure damage from this week's flood to emerge.
Council's infrastructure construction and maintenance manager Ashley Kavanagh said crews would monitor affected roads over the medium to long term for damage.
"Council is not expecting any significant road damage following the weather this week," he said.
"Some minor damage along a number of rural roads has already been identified and council will continue to make assessments of roads still inundated as the water recedes.
"An increased number of work crews will be undertaking pothole repairs in the immediate future.
"There are still a number of local roads closed in Maitland. Residents should take care and avoid driving through floodwater."
The latest weather event came as council workers were still repairing the damage from last April's storm.
Council infrastructure projects and building services manager Graeme Matthews said about $1.5 million had been spent on roads damaged during that natural disaster.
"Repairs to the culvert at Tocal Road are scheduled to begin this month," he said.
"This is the last of the major road works to be undertaken [from last April's floods].
"Work on the last of the building repairs is also scheduled to begin at the end of this month, with work starting on the East Maitland Community Centre."