The Auckland Harbour Bridge is an eight-lane box truss motorway bridge over the Waitemata Harbour, joining St Marys Bay in Auckland with Northcote in the former North Shore City, New Zealand. It is part of State Highway 1 and the Auckland Northern Motorway. The bridge is operated by the New Zealand Transport Agency (NZTA). It is the second-longest road bridge in New Zealand, and the longest in the North Island.

It has a length of 1,020 m (3,348 ft), with a main span of 243.8 m, rising 43.27 m above high water allowing ships access to the deepwater wharf at the Chelsea Sugar Refinery west of it, one of the few such wharves west of the bridge, a proposed Te Atatu port not having built.

It is an Auckland icon but there has been criticism, from the nickname of 'coathanger’ due to its shape to complaints that it mimics the Sydney Harbour Bridge in copyist fashion. Many also see the original construction of the bridge without walking, cycling and rail facilities as a big oversight.

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