Louisiana Highway 433
From Wikipedia, the free encyclopedia
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| Louisiana Highway 433 |
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| Length: | 14.86 mi (23.91 km) | ||||||||
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| West end: |  US 190 west of Slidell |
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| Major junctions: |
 US 11 in Slidell I-10 (Exit 263) in Slidell |
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| East end: |  US 90 east of Slidell |
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Louisiana Highway 433 (LA 433) is a state highway in Louisiana that serves St. Tammany Parish. It spans 14.86 miles 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.
[edit] Route description
From the west, LA 433 begins at a junction with US 190 and heads south. At this point, the roadway is also known as Thompson Road. After about two miles, the road crosses Bayou Liberty and turns eastward, becoming Bayou Liberty Road. As the road nears downtown Slidell, it crosses Bayou Bonfouca via a drawbridge. Shortly thereafter, the road joins US 11 and heads southward for about a quarter of a mile before departing eastward along the Old Spanish Trail. LA 433 then intersects Interstate 10 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 just north of the Rigolets.
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 434 narrows slightly to a divided, four-lane road from US 11 to just east of Interstate 10. From just east of Interstate 10 to its terminus at US 90, LA 433 is an undivided, two-lane highway.
[edit] Junction list
| Parish | Location | Mile | Junction | Notes |
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| St. Tammany | Slidell | Western terminus of  LA 433 |
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| 0.00 |  US 190 (Gause Boulevard West) |
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| 6.5 | US 11 (Front Street to the north) (Pontchartrain Drive to the south) |
US 11 departs to the north LA 433 turns onto Pontchartrain Drive |
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| Begin concurrency |
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| 6.8 | US 11 (Pontchartrain Drive) |
US 11 departs to the south LA 433 turns onto Old Spanish Trail |
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| End concurrency |
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| 8.6 | I-10 |
Exit 263/Diamond Interchange | ||
| 14.86 | US 90 |
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| Eastern terminus of LA 433 |
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