TBT: The Causeway Bridge, building a concrete marvel - FOX 8 WVUE New Orleans News, Weather, Sports, Social

TBT: The Causeway Bridge, building a concrete marvel


Spanning nearly 24 miles, it's the longest continuous bridge over water in the world.

The Lake Pontchartrain Causeway was completed in 1956, serving as a gateway between communities on the south and north shores. It ultimately allowed for the expansion and development of many communities on the north shore.

The bridge's parallel spans are made of pre­-stressed panels supported by over 9,000 concrete pilings. The first span measures 23.86 miles and opened to the public in 1956. The second opened in 1969 and measures 23.87 miles.

The bridge held a Guinness world record for the world's longest bridge over water since 1969. However, the Jiaozhou Bay Bridge in China opened in China in 2011 and claimed to be longer than the Lake Pontchartrain Causeway.

The Jiaozhou Bay Bridge, however, only spans over water for 16.1 miles. The rest crosses dry land. In response, Guinness created two categories for bridges spanning over water – continuous and aggregate.

The Lake Pontchartrain Causeway holds the title as world's longest continuous bridge over water.

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