Louisiana Highway 433 (LA 433) is a

state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

that serves

St. Tammany Parish St. Tammany Parish (french: Paroisse de Saint-Tammany) is a parish located in the U.S. state of Louisiana named after Tamanend, the legendary Lenape Chief of Chiefs and the "Patron Saint of America." At the 2020 census, the population was 2 ...

. It spans in a west to east direction. It is known at various points as Thompson Road, Bayou Liberty Road, Pontchartrain Drive, Old Spanish Trail, and Rigolets Road.

Route description

From the west, LA 433 begins at a junction with

U.S. Route 190 U.S. Route 190 (US 190) is an east–west United States Highway in Louisiana and Texas. Segments of US 190 will be upgraded to Interstate 14 (I-14); the first segment was opened on January 26, 2017. Route description , - , TX , , - , ...

(US 190) near the

North Shore Square North Shore Square was a shopping mall located in Slidell, Louisiana, United States. It was the largest mall on the north shore of Lake Pontchartrain, the 5th largest mall in the New Orleans area, and the 11th largest mall in Louisiana. The mal ...

mall and heads south. At this point, the roadway is also known as Thompson Road. After about , the road crosses

Bayou Liberty In usage in the Southern United States, a bayou () is a body of water typically found in a flat, low-lying area. It may refer to an extremely slow-moving stream, river (often with a poorly defined shoreline), marshy lake, wetland, or creek. They ...

and turns eastward, becoming Bayou Liberty Road. As the road nears downtown Slidell, it crosses Bayou Bonfouca via a drawbridge and becomes a four-lane divided highway. Shortly thereafter, the road

joins Join may refer to: * Join (law), to include additional counts or additional defendants on an indictment *In mathematics: ** Join (mathematics), a least upper bound of sets orders in lattice theory ** Join (topology), an operation combining two topo ...

US 11 {{Infobox road , country=USA , type=US , route=11 , map={{maplink, frame=yes, plain=yes, frame-align=center, frame-width=290, frame-height=330, type=line, from=U.S. Route 11.map , map_custom=yes , map_notes=US 11 in red, US 11E in blue, US 11W in ...

and heads southward for about a quarter of a mile before departing eastward along the Old Spanish Trail. LA 433 then intersects

Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...

via a diamond interchange (exit 263). Afterward it narrows to two lanes and winds through the swamps of southeast St. Tammany Parish. Heading southeastward, the highway is duly known as Rigolets Road and the Old Spanish Trail at this point. LA 433 ends at a junction with

US 90 U.S. Route 90 or U.S. Highway 90 (US 90) is an east–west major United States highway in the Southern United States. Despite the "0" in its route number, US 90 never was a full coast-to-coast route. With the exception of a short-lived ...

just north of the

Rigolets Rigolets is a 12.9 kilometer (8 mi) long deepwater strait in Louisiana. "Rigolets" comes from the word ''rigole'', French language, French for 'trench' or 'gutter'. The name is now locally pronounced "RIG-uh-leez". The strait begins at and ...

. LA 433 is an undivided, two-lane highway from US 190 to US 11. The route then widens to an undivided, five-lane roadway (with a middle turning lane) while concurrent with US 11. LA 433 narrows slightly to a divided, four-lane road from US 11 to just east of I-10. From just east of I-10 to its terminus at US 90, LA 433 is an undivided, two-lane highway.

Major junctions

External links

{{Attached KML, display=title,inline
LADOTD Official Control Section Map - District 62

Eastern St. Tammany Parish Highway Map
0433 Transportation in St. Tammany Parish, Louisiana Slidell, Louisiana