Seismic strengthening slows traffic

The NZ Transport Agency is advising State Highway 2 at the Whatakao Stream Bridge near Aongatete is being reduced to one lane for three weeks from Sunday, March 20.

NZTA Bay of Plenty state highway manager Rod James says this delay is necessary to further conduct seismic strengthening to the bridge.

The Whakatao Stream Bridge is going to be one lane only for three weeks to enable seismic strengthening work to be conducted on it.

During the three week period, speed will be restricted to 30km/h and Rod recommends road users plan their trip to travel outside of peak times and allow additional time for their trip, or take an alternative route where at all possible.

“Contractors have been working on the $1.2 million project since last July,” says Rod.

“So far, they have built a new substructure of 12 new piles – two for each of the bridge’s four piers and two at each end.

“This stage of work involves ‘tying’ the new piles at each end of the substructure to the existing bridge to form one unit.

“A trench will be dug across the road at each end of the bridge and filled with concrete to effectively ‘tie’ the old bridge to the new piles.

“Traffic must be kept off the area to reduce movement and allow time for the concrete to cure and form a strong, permanent bond.”

Traffic will be under manual traffic control during the day with temporary traffic lights in place overnight.


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