Auckland Harbour Bridge

Auckland Harbour Bridge is a motorway bridge across Waitematā Harbour in Auckland, New Zealand, connecting the city centre with the North Shore.

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Waitematā Harbour: A natural harbour on New Zealand’s North Island, forming the seaward setting of central Auckland. The bridge crosses this harbour between central Auckland and the North Shore.
Cantilever: A beam or structural member fixed at one end and projecting freely at the other. Cantilevers support the original bridge’s main span from its anchored ends.
Auckland Harbour Bridge Authority: The public body established to finance and oversee Auckland Harbour Bridge’s construction. The authority organized the project before ownership passed to national road agencies.
Auckland Northern Motorway: The motorway running north from Auckland Harbour Bridge through the North Shore toward Puhoi. The bridge continues directly into this motorway, extending the route north.
North Shore, New Zealand: The urban area north of Waitematā Harbour, incorporated into Auckland in 2010. The bridge connects central Auckland to this part of the city.
Steel bridge: A bridge whose principal load-bearing structure is made primarily of steel. Steel forms the bridge’s main structural framework and later widening additions.
New Zealand Transport Agency: New Zealand’s government agency responsible for land transport planning, funding and the state highway network. The agency now manages the bridge as part of State Highway 1.
Auckland ferry network: A network of passenger ferry services linking central Auckland with harbour-side communities and islands. Ferries offer a cross-harbour travel alternative that avoids road congestion.
Auckland: New Zealand’s largest urban area, located around two harbours on the North Island. The bridge is a major road link within Auckland’s metropolitan network.
Bridge expansion joint: A device that lets a bridge deck move as materials expand, contract or shift under load. Expansion joints accommodate movement in the bridge’s long steel structure.