Louisiana Highway 47
Encyclopedia
Louisiana Highway 47 is a state highway
in Louisiana
that serves Orleans and St. Bernard Parishes. It spans 16.19 in a southeast to northwest direction, although it is designated as a south/north route. It is known locally as Paris Road and Hayne Boulevard.
(St. Bernard Highway) in Chalmette
just north of the Chalmette Ferry
landing. Continuing north, the highway passes LA 39
(Judge Perez Drive) before heading across Bayou Bienvenue
and into Orleans Parish/New Orleans East. Shortly thereafter, it crosses the Mississippi River Gulf Outlet via the Paris Road Bridge or the "Green" Bridge. At the opposite end of the bridge, Interstate 510
begins, eventually passing US 90
. The two highways overlap until they meet Interstate 10
at Exit 246-AB. From there, LA 47 continues northward to the south shore of Lake Pontchartrain
. At that point, the highway turns west-southwesterly and becomes Hayne Boulevard. It runs along the shore of Lake Pontchartrain
before ending at the intersection with Downman Road.
LA 47 is an undivided, five-lane roadway (with middle turning lane) from LA 46
to north of Chalmette
. It then changes to a divided, four-lane until the south foot of the Paris Road Bridge where it becomes a controlled access highway as part of Interstate 510
. Just north of Interstate 10
and the northern terminus of Interstate 510
, LA 47 again becomes a divided, four-lane highway. Finally, it becomes an undivided, four-lane highway from the Paris Road/Hayne Boulevard intersection to its terminus at the Downman Road/Hayne Boulevard intersection.
State highway
State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...
in Louisiana
Louisiana
Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...
that serves Orleans and St. Bernard Parishes. It spans 16.19 in a southeast to northwest direction, although it is designated as a south/north route. It is known locally as Paris Road and Hayne Boulevard.
Route description
From the south, LA 47 (Paris Road) begins at an intersection with LA 46Louisiana Highway 46
Louisiana Highway 46 is a state highway in Louisiana that serves Orleans and St. Bernard Parishes. It runs a west to east direction for a total length of . It is demarcated as Elysian Fields Avenue and St. Claude Avenue in the city of New Orleans and as St. Bernard Highway, Bayou Road, East Judge...
(St. Bernard Highway) in Chalmette
Chalmette, Louisiana
Chalmette is a census-designated place in and the parish seat of St. Bernard Parish, Louisiana, United States. The population was 32,069 at the 2000 census. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area...
just north of the Chalmette Ferry
Chalmette-Lower Algiers Ferry
The Chalmette – Lower Algiers Ferry is a ferry across the Mississippi River in the U.S. state of Louisiana, connecting Chalmette and Algiers.-External links:**Louisiana Department of Transportation and Development,...
landing. Continuing north, the highway passes LA 39
Louisiana Highway 39
Louisiana Highway 39 is a state highway in Louisiana that serves Orleans, St. Bernard, and Plaquemines Parishes. In New Orleans, LA 39 is referred to as North Claiborne Avenue, while in St. Bernard Parish, it is known as Judge Perez Drive...
(Judge Perez Drive) before heading across Bayou Bienvenue
Bayou Bienvenue
Bayou Bienvenue is a bayou in southeastern Louisiana. It runs along the political border between Orleans Parish and St. Bernard Parish to the east of New Orleans....
and into Orleans Parish/New Orleans East. Shortly thereafter, it crosses the Mississippi River Gulf Outlet via the Paris Road Bridge or the "Green" Bridge. At the opposite end of the bridge, Interstate 510
Interstate 510
Interstate 510 is a short spur route of Interstate 10 within in eastern New Orleans, Louisiana, United States. It runs south from Interstate 10, intersects with U.S. Highway 90, and ends at the Almonaster Boulevard interchange, near the NASA Michoud Assembly Facility...
begins, eventually passing US 90
U.S. Route 90
U.S. Route 90 is an east–west United States highway. Despite the "0" in its route number, U.S. 90 never was a full coast-to-coast route; it has always ended at Van Horn, Texas. A short-lived northward extension to U.S...
. The two highways overlap until they meet Interstate 10
Interstate 10
Interstate 10 is the fourth-longest Interstate Highway in the United States, after I-90, I-80, and I-40. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4 and I-8 are further south. It stretches from the Pacific Ocean at State Route 1 in Santa Monica,...
at Exit 246-AB. From there, LA 47 continues northward to the south shore of Lake Pontchartrain
Lake Pontchartrain
Lake Pontchartrain is a brackish estuary located in southeastern Louisiana. It is the second-largest inland saltwater body of water in the United States, after the Great Salt Lake in Utah, and the largest lake in Louisiana. As an estuary, Pontchartrain is not a true lake.It covers an area of with...
. At that point, the highway turns west-southwesterly and becomes Hayne Boulevard. It runs along the shore of Lake Pontchartrain
Lake Pontchartrain
Lake Pontchartrain is a brackish estuary located in southeastern Louisiana. It is the second-largest inland saltwater body of water in the United States, after the Great Salt Lake in Utah, and the largest lake in Louisiana. As an estuary, Pontchartrain is not a true lake.It covers an area of with...
before ending at the intersection with Downman Road.
LA 47 is an undivided, five-lane roadway (with middle turning lane) from LA 46
Louisiana Highway 46
Louisiana Highway 46 is a state highway in Louisiana that serves Orleans and St. Bernard Parishes. It runs a west to east direction for a total length of . It is demarcated as Elysian Fields Avenue and St. Claude Avenue in the city of New Orleans and as St. Bernard Highway, Bayou Road, East Judge...
to north of Chalmette
Chalmette, Louisiana
Chalmette is a census-designated place in and the parish seat of St. Bernard Parish, Louisiana, United States. The population was 32,069 at the 2000 census. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area...
. It then changes to a divided, four-lane until the south foot of the Paris Road Bridge where it becomes a controlled access highway as part of Interstate 510
Interstate 510
Interstate 510 is a short spur route of Interstate 10 within in eastern New Orleans, Louisiana, United States. It runs south from Interstate 10, intersects with U.S. Highway 90, and ends at the Almonaster Boulevard interchange, near the NASA Michoud Assembly Facility...
. Just north of Interstate 10
Interstate 10
Interstate 10 is the fourth-longest Interstate Highway in the United States, after I-90, I-80, and I-40. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4 and I-8 are further south. It stretches from the Pacific Ocean at State Route 1 in Santa Monica,...
and the northern terminus of Interstate 510
Interstate 510
Interstate 510 is a short spur route of Interstate 10 within in eastern New Orleans, Louisiana, United States. It runs south from Interstate 10, intersects with U.S. Highway 90, and ends at the Almonaster Boulevard interchange, near the NASA Michoud Assembly Facility...
, LA 47 again becomes a divided, four-lane highway. Finally, it becomes an undivided, four-lane highway from the Paris Road/Hayne Boulevard intersection to its terminus at the Downman Road/Hayne Boulevard intersection.
Junction list
| Parish | Location | Mile | # Exit number An exit number is a number assigned to a road junction, usually an exit from a freeway. It is usually marked on the same sign as the destinations of the exit, as well as a sign in the gore.... |
Junction | Notes | |
|---|---|---|---|---|---|---|
| St. Bernard St. Bernard Parish, Louisiana St. Bernard Parish is a parish located southeast of New Orleans in the U.S. state of Louisiana. The parish seat is Chalmette, the largest city in the parish. As of 2000, its population was 67,229. It has been ranked the fastest-growing county in the United States from 2007 to 2008 by the U.S.... |
Chalmette Chalmette, Louisiana Chalmette is a census-designated place in and the parish seat of St. Bernard Parish, Louisiana, United States. The population was 32,069 at the 2000 census. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area... |
Southern terminus of  LA 47 |
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| 0.00 | N/A |  LA 46Louisiana Highway 46 Louisiana Highway 46 is a state highway in Louisiana that serves Orleans and St. Bernard Parishes. It runs a west to east direction for a total length of . It is demarcated as Elysian Fields Avenue and St. Claude Avenue in the city of New Orleans and as St. Bernard Highway, Bayou Road, East Judge... (St. Bernard Highway) |
Just north of the Chalmette Ferry Chalmette-Lower Algiers Ferry The Chalmette – Lower Algiers Ferry is a ferry across the Mississippi River in the U.S. state of Louisiana, connecting Chalmette and Algiers.-External links:**Louisiana Department of Transportation and Development,... landing |
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| 0.4 | N/A |  LA 39Louisiana Highway 39 Louisiana Highway 39 is a state highway in Louisiana that serves Orleans, St. Bernard, and Plaquemines Parishes. In New Orleans, LA 39 is referred to as North Claiborne Avenue, while in St. Bernard Parish, it is known as Judge Perez Drive... (Judge Perez Drive Judge Perez Drive Judge Perez Drive is a major, four-lane thoroughfare located in St. Bernard Parish, Louisiana. The road was originally named Goodchildren Drive, but was renamed in 1972 for former political boss of St. Bernard and Plaquemines Parishes, Judge Leander Perez . However, in the late 1990s, St... ) |
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| Orleans | New Orleans New Orleans, Louisiana New Orleans is a major United States port and the largest city and metropolitan area in the state of Louisiana. The New Orleans metropolitan area has a population of 1,235,650 as of 2009, the 46th largest in the USA. The New Orleans – Metairie – Bogalusa combined statistical area has a population... |
Green Bridge over the Gulf Intracoastal Waterway Gulf Intracoastal Waterway The Gulf Intracoastal Waterway is the portion of the Intracoastal Waterway located along the Gulf Coast of the United States. It is a navigable inland waterway running approximately 1700 kilometers from Carrabelle, Florida, to Brownsville, Texas.The waterway provides a channel with a controlling... /Mississippi River-Gulf Outlet |
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Begin  concurrency |
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| 5.9 | 2C | Almonaster Boulevard To Old Gentilly Road |
Diamond Interchange | |||
| 6.5 | 2B |  US 90U.S. Route 90 U.S. Route 90 is an east–west United States highway. Despite the "0" in its route number, U.S. 90 never was a full coast-to-coast route; it has always ended at Van Horn, Texas. A short-lived northward extension to U.S... East (Chef Menteur Highway) |
Northbound Only | |||
| 6.5 | 2A | US 90 U.S. Route 90 U.S. Route 90 is an east–west United States highway. Despite the "0" in its route number, U.S. 90 never was a full coast-to-coast route; it has always ended at Van Horn, Texas. A short-lived northward extension to U.S... West (Chef Menteur Highway) |
Northbound Only | |||
| 6.5 | 2A | US 90 U.S. Route 90 U.S. Route 90 is an east–west United States highway. Despite the "0" in its route number, U.S. 90 never was a full coast-to-coast route; it has always ended at Van Horn, Texas. A short-lived northward extension to U.S... (Chef Menteur Highway) |
Southbound Only | |||
| 7.6 | 1B | Lake Forest Boulevard | Diamond Interchange | |||
| 8.9 | 1A |  I-10Interstate 10 Interstate 10 is the fourth-longest Interstate Highway in the United States, after I-90, I-80, and I-40. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4 and I-8 are further south. It stretches from the Pacific Ocean at State Route 1 in Santa Monica,... New Orleans/Slidell Slidell, Louisiana Slidell is a city situated on the northeast shore of Lake Pontchartrain in St. Tammany Parish, Louisiana, United States. The population was 25,695 at the 2000 census. The Greater Slidell Community has a population of about 90,000... |
Northbound Only | |||
| 8.9 | 1A | I-10 Interstate 10 Interstate 10 is the fourth-longest Interstate Highway in the United States, after I-90, I-80, and I-40. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4 and I-8 are further south. It stretches from the Pacific Ocean at State Route 1 in Santa Monica,... East - Slidell Slidell, Louisiana Slidell is a city situated on the northeast shore of Lake Pontchartrain in St. Tammany Parish, Louisiana, United States. The population was 25,695 at the 2000 census. The Greater Slidell Community has a population of about 90,000... |
Southbound Only | |||
| 8.9 | 0 | I-10 Interstate 10 Interstate 10 is the fourth-longest Interstate Highway in the United States, after I-90, I-80, and I-40. It is the southernmost east–west, coast-to-coast Interstate Highway, although I-4 and I-8 are further south. It stretches from the Pacific Ocean at State Route 1 in Santa Monica,... West - New Orleans New Orleans, Louisiana New Orleans is a major United States port and the largest city and metropolitan area in the state of Louisiana. The New Orleans metropolitan area has a population of 1,235,650 as of 2009, the 46th largest in the USA. The New Orleans – Metairie – Bogalusa combined statistical area has a population... |
Southbound Only | |||
| End concurrency |
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| 16.19 | N/A | Downman Road | ||||
| Northern terminus of LA 47 |
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