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‘Be careful out there’: Roading hammered by wet winter

The Central App

Jill Herron

15 August 2022, 6:21 PM

‘Be careful out there’: Roading hammered by wet winterThe power of nature: Erosion caused by high water at the St Bathans Loop Road bridge

Ongoing wet conditions are hampering progress on repairing Central Otago roads hard hit by the recent weather events.


The issue, which will take “some time to fully address”, is particularly serious in the Māniatoto and Omakau areas, the Central Otago District Council (CODC) says. 


“Potholes and mud are a nuisance and can lead to frustration and safety concerns”, CODC infrastructure services manager Quinton Penniall said. 

“They can't all be fixed at once, but the CODC roading team will be doing their best to get the work done in the coming weeks. 


“The issue we have is that if we grade now, we will damage the road. The grader softens up the existing gravel and allows more water to be absorbed, which makes the problem worse.”



Quinton said spot-metalling had the same effect and was not an option until roads dry out.


“We’re asking people to bear with us. Our team is working weekends to keep our roads open and safe. We will focus on repairs once the roads dry out.”

Motorists could help by getting in touch if there was a road in their area that needs attention. 


“If you have a serious safety concern report it to the council and send in a photo.”

Central Otago District Council roading deputy portfolio lead Tracy Paterson acknowledged that people who called in with concerns.

"Thank you to those people who have already contacted us and are patiently waiting,” she said.


“As a rural road user myself I know how important it is that the roads are maintained to a good standard – for productivity and safety. For those of you on roads that are part of the NZTA (main highways) network we are happy to take your calls and will pass them on. In the meantime, be careful out there."


Bridge abutments battered


Meanwhile a weight and speed restriction has been placed on Bridge 93 at St Bathans Loop Road because of fresh erosion.


Following the two recent flooding events, there had been erosion of the clay layer around the bridge abutments and as a result, a heavy vehicle restriction was placed on the bridge as well as a 30km/hr speed limit.



Quinton Penniall said water levels were still high, which was presenting some challenges in managing the erosion level that is occurring.


Council was monitoring the bridge daily and more information will be available as water levels drop and a full assessment can be undertaken.


“We are aware that Saint Bathans Loop Road is a key route, and therefore a high priority that needs attention in case there is another flood event,” Quinton said.

“We are looking at some temporary measures such as dropping large rocks upstream to divert the flow straight down the middle of the bridge away from the western abutment, which is causing the erosion problem.”


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