Facts about the Lake Pontchartrain Causeway

Ashley | 08 - 17 - 2020
Facts about the Lake Pontchartrain Causeway

Facts about Lake Pontchartrain Causeway

The Lake Pontchartrain Causeway is an impressive engineering feat and a prominent feature in Louisiana, USA. Here are some fascinating facts about the Causeway:

  1. Length: The Causeway is one of the longest continuous bridges in the world, spanning approximately 24 miles (38.42 kilometers). It connects Metairie, a suburb of New Orleans, to the town of Mandeville on the Northshore of Lake Pontchartrain.
  2. Dual Bridges: The Causeway consists of two parallel bridges, one for each direction of travel. The southbound bridge, completed in 1956, was followed by the northbound bridge, finished in 1969.
  3. Overwater Highway: The entire length of the Causeway is built over the waters of Lake Pontchartrain, making it a unique and iconic overwater highway.
  4. Pillars: The Causeway is supported by more than 9,000 concrete pilings driven into the lakebed, providing stability and strength to the structure.
  5. Hurricane Protection: During severe weather events, the Causeway serves as a crucial hurricane evacuation route, aiding residents in reaching safer areas.
  6. Toll Road: The Causeway is a toll road, with motorists required to pay a toll when traveling from the Southshore to the Northshore. The toll is only collected in the northbound direction.
  7. The attraction for Runners: The Causeway is known for hosting an annual running event called the “Causeway Bridge Run.” Participants get a unique opportunity to run or walk across the bridge’s span during the event.
  8. Maintenance and Inspections: Regular maintenance and inspections are conducted to ensure the safety and structural integrity of the Causeway, as it is a vital transportation link for the region.

Overall, the Lake Pontchartrain Causeway stands as an impressive engineering marvel and an essential lifeline for commuters and residents in the New Orleans metropolitan area.


1. How Long Is the Causeway Bridge?
  • A. 23.83 miles
  • B. 24.83 miles
  • C. 25.83 miles
  • D. 26.83 miles
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