Interstate 10 or I -10 is an Interstate Highway in the U.S. state of Louisiana. The route runs through the south of the state, parallel to the Gulf of Mexico, connecting the 3 of the 4 largest cities in the state. The highway also runs parallel to the Mississippi River. The landscape is flat and consists mainly of forested swamps and other wetlands. The highway runs through the capital Baton Rouge and the largest city New Orleans, among other things. The stretch in Louisiana is 442 kilometers long.
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Interstate 10 in Texas comes from Houston and crosses the Sabine River at Vinton, which forms the border with Louisiana. I-10 passes through swampland and then enters flat lowlands with meadows. The highway has 2×2 lanes, US 90 runs parallel to I-10. From Vinton, there are 2×3 lanes of traffic and the highway leads through the small urban region surrounding the town of Lake Charles. Around Lake Charles, traffic has two options, I-10 through downtown or Interstate 210 through the south side of town. In Lake Charles, one crosses the Calcasieu River via a narrow 2×2 lane bridge. There is also a connection to US 171 in Lake Charles.
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East of Lake Charles, I-10 again has 2×3 lanes and runs through lowland pastureland to the east. This area has many small villages but few larger towns as far as Lafayette, 100 kilometers to the east. East of US 165, I-10 again has 2×2 lanes. At Jennings one crosses the Mermentau River. I-10 then runs along the north side of the town of Lafayette, where there is an interchange with Interstate 49. In Lafayette, the routes of I-10 and US 90 also split. I-10 then has partial 2×3 lanes and then reaches the large swamps of the Atchafalaya Swamp.
The 30-kilometer-long Atchafalaya Bridge crosses this vast swamp area, and one also crosses the Atchafalaya River, an important branch of the Mississippi River. The section through the Atchafalaya Swamp has 2×2 lanes. One then reaches the capital Baton Rouge from the west. On the west side of Baton Rouge is an interchange with State Route 1, after which the Horace Wilkinson Bridge crosses the Mississippi River at the center of Baton Rouge. This is followed by an interchange with Interstate 110, after which I-10 branches off to the southeast. From I-110, I-10 has 2×3 lanes and runs through the suburbs and suburbs of Baton Rouge. In the east of the city, Interstate 12. splitsoff as a through route east, while I-10 detours through New Orleans.
I-10 at I-310 west of New Orleans.
South of Baton Rouge is a vast suburban area, with I-10 still having 2×3 lanes for quite some time. One then re-enters extensive swamps around Lake Maurepas and Lake Pontchartrain. I-10 again has 2×2 lanes here. US 61 runs parallel to I-10 here as the historic Airline Highway. Near Laplace, Interstate 55 ends at I-10, the highway then has 2×3 lanes and runs on long overpasses over Lake Pontchartrain, the Bonnet Carré Spillway and swamps between Laplace and Kenner. Interstate 310 connects on the west side of Kenner, this interchange is built entirely on overpasses.
The transition from swamps to suburban areas is very abrupt, I-10 then leads through the large suburbs of Kenner and Metairie. I-10 counts first 2×3, later 2×4 lanes through Metairie. There is also a junction to the Lake Pontchartrain Causeway. I-10 then passes on overpasses around Downtown New Orleans, while Interstate 610 forms a bypass of downtown. Near the Louisiana Superdome is the interchange with US 90. I-10 then crosses over Claiborne Avenue through the old neighborhoods of New Orleans. On the east side of New Orleans, traffic from I-610 merges again, the highway then crosses the Industrial Canal via the I-10 High Rise Bridge.
I-10 then continues through a few suburbs, after which the urban area abruptly changes into wetland again. This section of I-10 has continuous 2×3 lanes, and it crosses US 11 just outside New Orleans. Then follows the 9-mile I-10 Twin Span Bridge over the east side of Lake Pontchartrain to the mainland at Slidell. I-10 interchanges with two other Interstate Highways in Slidell. Interstate 12 from Baton Rouge ends here and Interstate 59 to Birmingham begins here. I-10 turns east and crosses the Pearl River swampland, which forms the border with the state of Mississippi. Mississippi ‘s Interstate 10then continues towards Biloxi and Mobile.
Calcasieu River Bridge
The Calcasieu River Bridge is a 2 kilometer long bridge over the Calcasieu River in the city of Lake Charles. The steel arch bridge dates from 1952 and will be replaced by a new bridge. The bridge was originally constructed as part of US 90 and later became part of I-10.
Atchafalaya Basin Bridge
De Atchafalaya Basin Bridge.
See also Atchafalaya Bridge.
There is a low 29,290 meter long bridge over the Atchafalaya Swamp, a large swamp that surrounds the Atchafalaya River. The Atchafalaya is a major tributary of the Mississippi River. The bridge is located between Lafayette and Baton Rouge, and consists of two adjacent bridges, each over 18 miles long. There are several connections on the route through the Atchafalaya Swamp, which are also elevated. The Atchafalaya Basin Bridge is the ninth longest road bridge in the world. Opened in 1973, the bridge is somewhat substandard due to the lack of emergency lanes and heavy traffic. The speed limit was therefore lowered from 70 to 60 MPH in 1999. There is also a ban on overtaking for trucks.
Horace Wilkinson Bridge
The Horace Wilkinson Bridge spans the Mississippi River near the capital city of Baton Rouge. This is a 1.4 kilometer long half- timbered bridge from 1968.
I-10 Twin Span Bridge
See also I-10 Twin Span Bridge.
Northeast of New Orleans is the I-10 Twin Span Bridge, which spans Lake Pontchartrain, actually part of the Gulf of Mexico. The original bridge was destroyed by Hurricane Katrina in 2005. It was then temporarily rebuilt, and later permanently replaced. The bridge was opened in two phases in 2009 and 2010. The new bridge has a higher underpass for shipping and also has 6 instead of 4 lanes. The highest point of the bridge is 24 meters above sea level.