Modern Marvels

New Episodes Return Sunday, November 28 at 10/9c

Modern Marvels

S 9 E 37

Lake Pontchartrain Causeway

Oct 15, 2003 | 43m 50s | tv-pg | CC

Two ribbons of concrete span the largest inland body of water in Louisiana and serve as the world’s longest automobile bridge. Find out how this engineering marvel was conceived and completed.

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