In the video, Transport for NSW also shared images of transporting the huge concrete segments from Mogo to Batemans Bay.

Senior project engineer Jade Bergin said the team performed an in-depth stocktake of materials damaged in the fires, once the site was safe to access.

"We had to re-order some materials from interstate, aswell as overseas, to be air-freighted to site as soon as possible," Mr Bergin said.

"It's pretty important the local community gets as much support as possible so the town continues to grow."

He was proud to recall the moment colleagues assisted a Mogo resident who lost their house in the fires.

"A lot of the labourers on site volunteered to help re-pour a concrete slab for his new temporary house," Mr Bergin said.

"The project actually chipped in aswell, with supplying the concrete for his new slab."

Mr Bergin's role was to ensure the team built segments on time, on budget and to the right quality.

He said the team was tying reinforcement cages that went into concrete segments, and casting segments out of moulds.

Nicholas Harfaut-Etienne, reinforcement engineer on the bridge project, ensured reinforcement was aligned during segment pours.

There were 166 segments in total.

He said even if segments looked the same, almost every one had varied internal reinforcement detail.

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