Steel and concrete.
name of the materials
The material used to build the bridge was wood and steel
iron, steel, concrete, stone, wood, and composites are the most common materials used in bridge construction!
steel
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Steel
Ponchartrain CausewayChesapeake Bay Bridge
If technology you mean "materials"that was used for the bridge, then I found a good answer on Yahoo! answers, just type in this: "What materials were used to make the golden gate bridge?" The question is answered by Horatio, and he had a pretty good answer.
The current (1973) bridge is a prestressed concete box girder bridge.
The present London Bridge is a pre-stressed concrete box girder bridge.
cheese plastacine and gelatine
Stone and steel.