I-10 Bonnet Carré Spillway Bridge, Twin concrete trestle bridge in St. Charles Parish, Louisiana.
Description
The I-10 Bonnet Carré Spillway Bridge is a twin concrete trestle bridge that crosses the spillway and Lake Pontchartrain. It functions as a major transportation route connecting parishes throughout southern Louisiana.
History
The bridge was completed in 1972 as part of the interstate highway expansion in the South. It marked a significant development in Louisiana's modern transportation infrastructure.
Culture
The bridge links communities across Louisiana, enabling daily travel and trade for people living along the Mississippi River region.
Practical
The bridge is open to vehicle traffic and maintained by the Louisiana Department of Transportation and Development. Drivers should be aware that it crosses long distances over water and plays a role in flood management during high water events.
Did you know?
The bridge serves a dual purpose as both a transportation route and a flood control mechanism. During extreme river levels, Mississippi water is intentionally directed through the spillway system beneath the roadway to protect downstream communities.
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