Little Road Bridge Strategic Asset Management Assessment
Little Road Bridge is a 34-metre, three-span bridge comprising steel girders, timber crossbeams and timber plank decking supported on timber pile piers. Sterling assessed seven long-term strategies to guide safe pedestrian access and heritage asset management.
Challenge
The former road bridge had been retained for pedestrians and cyclists but required a new management strategy before access could be restored. The assessment needed to balance public safety, heritage value, structural condition and the whole-of-life implications of repair, rehabilitation or replacement.
Solution
Sterling prepared a Present Value End of Life (PVEoL) assessment using existing inspection, engineering assessment and load-rating information. The assessment compared seven strategies: continued closure, targeted pedestrian reopening, strengthening, major rehabilitation, a parallel pedestrian bridge and full replacement. It evaluated loading, safety, heritage, risk and service life while incorporating stakeholder feedback on access, timber condition and replacement options.
Deliverables
Deliverables included a strategic options assessment and summary comparing seven intervention pathways, a whole-of-life evaluation of the existing bridge, concept-level scopes for repair, strengthening, rehabilitation and replacement and a preferred strategy supported by loading, risk, heritage and service-life considerations.
Outcome
The assessment identified a three-metre-wide central pedestrian path as the preferred strategy, supported by selected repairs, new surfacing, handrails and protective fencing. This gave the asset owner a pathway to reopen the bridge for pedestrians, preserve its heritage character and defer major rehabilitation or replacement. The strategy included ongoing inspection and maintenance across an indicative 30-year management horizon.
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