Interstate 55 in Louisiana
Highway in Louisiana / From Wikipedia, the free encyclopedia
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Interstate 55 (I-55) is a part of the Interstate Highway System that spans 964.25 miles (1,551.81 km) from LaPlace, Louisiana, to Chicago, Illinois.[2] Within the state of Louisiana, the highway travels 66 miles (106 km) from the national southern terminus at I-10 in LaPlace to the Mississippi state line north of Kentwood.[1]
Route information | ||||
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Maintained by Louisiana DOTD | ||||
Length | 66.086 mi[1][lower-alpha 1] (106.355 km) | |||
Existed | 1960–present | |||
Tourist routes |
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NHS | Entire route | |||
Major junctions | ||||
South end | I-10 in LaPlace | |||
Major intersections | ||||
North end | I-55 at Mississippi state line north of Kentwood | |||
Location | ||||
Country | United States | |||
State | Louisiana | |||
Parishes | St. John the Baptist, Tangipahoa | |||
Highway system | ||||
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The route is located in the southeastern portion of Louisiana and parallels the older U.S. Highway 51 (US 51) corridor. While passing through the city of Hammond, I-55 intersects two of the state's major east–west routes, I-12 and US 190. It also serves the smaller city of Ponchatoula, as well as the towns of Amite City and Kentwood.
I-55 is a major highway through the New Orleans metropolitan area, the city being located 20 miles (32 km) east of the junction between I-10 and I-55. It also serves as an important hurricane evacuation route for the region. I-55 was opened in several stages beginning in 1960 with a bypass of Ponchatoula and Hammond. The southern 23 miles (37 km) of I-55, consisting of a twin-span viaduct through the Manchac swamp, was completed in 1979 and is one of the longest bridges in the world.