This articleneeds additional citations forverification. Please helpimprove this article byadding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Louisiana Highway 574" – news ·newspapers ·books ·scholar ·JSTOR(February 2015) (Learn how and when to remove this message)

Louisiana Highway 574
Routes of the current sections of LA 574 in red
Route information
Maintained byLouisiana DOTD
Existed	1955 renumbering–present
Location
Country	United States
State	Louisiana
Parishes	Jefferson
Highway system
Louisiana State Highway System Interstate US State Scenic
←LA 573 →LA 575

Louisiana Highway 574 (LA 574) is a collection of eight current and four former state-maintained streets inGrand Isle, located in lowerJefferson Parish. All twelve routes were established with the1955 Louisiana Highway renumbering.

Louisiana Highway 574-1
Location	Grand Isle
Length	0.66 mi[1][better source needed] (1,060 m)
Existed	1955–present

Louisiana Highway 574-1 (LA 574-1) spans 0.66 miles (1.06 km) from south to north along Central Avenue. While in theGrand Isle city limits, the route is actually onCheniere Caminada, the last part of the mainland approaching the bridge to Grand Isle. Ending at dead ends in both directions, LA 574-1 crossesLA 1 immediately to the west of theCaminada Pass bridge.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	Dead end at canal southwest of Collins Lane	Southern terminus
0.30	0.48	LA 1
0.66	1.06	Dead end atCaminada Bay	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-3
Location	Grand Isle
Length	0.41 mi[1] (660 m)
Existed	1955–present

Louisiana Highway 574-3 (LA 574-3) spans 0.41 miles (0.66 km) from south to north along Santiny Lane. From the south, LA 574-3 begins at an intersection withLA 1 and ends at a dead end just to the north.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.41	0.66	Dead end at canal south ofBayou Rigaud	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-4
Location	Grand Isle
Length	0.40 mi[1] (640 m)
Existed	1955–present

Louisiana Highway 574-4 (LA 574-4) spans 0.40 miles (0.64 km) from south to north along Chighizola Lane. From the south, LA 574-4 begins at an intersection withLA 1 and ends at a dead end just to the north.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.40	0.64	Dead end at canal south ofBayou Rigaud	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-5
Location	Grand Isle
Length	0.31 mi[1] (500 m)
Existed	1955–present

Louisiana Highway 574-5 (LA 574-5) spans 0.31 miles (0.50 km) from south to north along Ludwig Lane. From the south, LA 574-5 begins at an intersection withLA 1 and proceeds north to Medical Avenue.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.31	0.50	Medical Avenue	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-6
Location	Grand Isle
Length	0.31 mi[1] (500 m)
Existed	1955–present

Louisiana Highway 574-6 (LA 574-6) spans 0.31 miles (0.50 km) from south to north along Naccari Lane. From the south, LA 574-6 begins at an intersection withLA 1 and ends at a dead end just to the north.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.31	0.50	Dead end at canal south ofBayou Rigaud	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-7
Location	Grand Isle
Length	0.25 mi[1] (400 m)
Existed	1955–present

Louisiana Highway 574-7 (LA 574-7) spans 0.25 miles (0.40 km) from south to north along Hector Lane. From the south, LA 574-7 begins at an intersection withLA 1 and ends at a dead end just to the north.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.25	0.40	Dead end south of Louisiana Avenue	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-8
Location	Grand Isle
Length	0.28 mi[1] (450 m)
Existed	1955–present

Louisiana Highway 574-8 (LA 574-8) spans 0.28 miles (0.45 km) from south to north along Landry Lane. From the south, LA 574-8 begins at an intersection withLA 1 and ends at a dead end just to the north.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.28	0.45	Dead end south of Louisiana Avenue	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-9
Location	Grand Isle
Length	0.18 mi[1] (290 m)
Existed	1955–present

Louisiana Highway 574-9 (LA 574-9) spans 0.18 miles (0.29 km) from south to north along Cemetery Lane. From the south, LA 574-9 begins at an intersection withLA 1 and ends at a dead end just to the north.

The entire highway is inGrand Isle,Jefferson Parish.

mi[1]	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.18	0.29	Dead end near Wolkpak Avenue	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-2
Location	Grand Isle
Length	0.1 mi (160 m)
Existed	1955–1987

Louisiana Highway 574-2 (LA 574-2) spanned 0.1 miles (0.16 km) from south to north along Burnett Lane. It began at the shore of theGulf of Mexico and proceeded north to an intersection withLA 1 immediately to the southeast of theCaminada Pass bridge.

The route was deleted and returned to local control in 1987.

The entire highway was inGrand Isle,Jefferson Parish.

mi	km	Destinations	Notes
0.00	0.00	Dead end atGulf of Mexico	Southern terminus
0.10	0.16	LA 1	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-10
Location	Grand Isle
Length	0.29 mi (470 m)
Existed	1955–1972

Louisiana Highway 574-10 (LA 574-10) spanned 0.29 miles (0.47 km) from south to north along Minnich Lane. It began at an intersection withLA 1 and proceeded north to Louisiana Avenue.

LA 574-10 was renumbered toLA 3150 in 1972.

The entire highway was inGrand Isle,Jefferson Parish.

mi	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.29	0.47	Louisiana Avenue	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-11
Location	Grand Isle
Length	1.1 mi (1.8 km)
Existed	1955–1972

Louisiana Highway 574-11 (LA 574-11) spanned 1.1 miles (1.8 km) from south to north along Humble Lane. It began at an intersection withLA 1 at theGulf of Mexico, proceeded northeast parallel to LA 1, and ended at a second intersection with LA 1.

LA 574-11 was renumbered toLA 3151 in 1972.

The entire highway was inGrand Isle,Jefferson Parish.

mi	km	Destinations	Notes
0.0	0.0	LA 1	Southern terminus
1.1	1.8	LA 1	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 574-12
Location	Grand Isle
Length	0.90 mi (1,450 m)
Existed	1955–?

Louisiana Highway 574-12 (LA 574-12) spanned 0.90 miles (1.45 km) from south to north along Admiral Craik Drive. It began at an intersection withLA 1 and proceeded north to a dead end atBarataria Pass.

LA 574-12 has been returned to local control.

The entire highway is inGrand Isle,Jefferson Parish.

mi	km	Destinations	Notes
0.00	0.00	LA 1	Southern terminus
0.90	1.45	Dead end atBarataria Pass	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

• La DOTD State, District, and Parish Maps
  • District 02
  • Jefferson Parish (South Section)

• State highways in Louisiana
• Transportation in Jefferson Parish, Louisiana

• Articles with short description
• Short description is different from Wikidata
• Use American English from May 2025
• All Wikipedia articles written in American English
• Use mdy dates from January 2025
• Articles needing additional references from February 2015
• All articles needing additional references
• Infobox road instances in Louisiana
• All articles lacking reliable references
• Articles lacking reliable references from February 2015
• Pages using gadget WikiMiniAtlas
• Articles using KML from Wikidata