Clocking in at 23.87 miles, the Lake Pontchartrain Causeway is the longest bridge in the country. Not only that, but it’s the longest bridge over water in the entire world. While it’s commonly thought that the bridge is the longest bridge in the world, the Danyang-Kunshan Grand Bridge in China is actually the longest bridge in the world (104 miles), but it crosses over both land and water–the Causeway only crosses over water. Seeing that we have this national treasure right in our backyard, let’s take a peek at some of the highlights and history of this impressive feat of engineering.

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Visit the Causeway’s website for daily updates including traffic, construction, and weather as well as information about tolls and passes. The Causeway isn’t Louisiana’s only impressive bridge, the Atchafalaya Basin Bridge is another notable bridge in the Pelican State that’s worthy of a road trip, and it’ll take you through the largest river-swamp in the nation.

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