INTERSTATE 10 IN LOUISIANA

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Interstate 10, a major transcontinental Interstate Highway in the Southern U.S., runs across the southern part of the U.S. state of Louisiana. It passes through New Orleans and Baton Rouge as well as through smaller cities such as Lake Charles and Lafayette. It dips south of Lake Pontchartrain to serve New Orleans, while Interstate 12 provides a shortcut to the north of the lake for through traffic.
From Texas to Lafayette, I-10 parallels the older U.S. Route 90 corridor. From Lafayette, the highway heads east-northeast toward Baton Rouge via the 'Atchafalaya Swamp Freeway', an 18.2-mile (nearly 30 km) bridge across the Atchafalaya River and its accompanying swamp. Between the two cities, I-10 parallels U.S. Route 190, which runs from Opelousas to Baton Rouge.
In the Capital City, U.S. 190 continues east alongside Interstate 12 to Hammond and Slidell while I-10 turns southeastward and parallels U.S. Route 61 (Airline Highway) to New Orleans. In the Crescent City, I-10 rejoins U.S. 90 (and later U.S. Route 11) as it heads toward Slidell. In Slidell, U.S. 11 continues northeastward toward Hattiesburg, Mississippi while I-10 and U.S. 90 turn eastward toward coastal Mississippi.
Major bridges on I-10 in Louisiana include the Sabine River bridge (ca. 1952, replaced 2003), the Calcasieu River Bridge (1952), the Atchafalaya Swamp Freeway (1973), the Horace Wilkinson Bridge over the Mississippi River (1968), the Bonnet Carré Spillway bridge (ca. 1972), the Industrial Canal Bridge (ca. 1960), the Twin Spans (1965), and the Pearl River bridge (ca. 1970).

Contents

Major cities

Spur routes

History

Exit list

See also

References

Major cities

Bolded cities are officially-designated control cities for signs.^[2]

★ 'Beaumont, Texas'

★ Sulphur

★ 'Lake Charles'

★ Jennings

★ Crowley

★ Rayne

★ 'Lafayette'

★ 'Baton Rouge'

★ Gonzales

★ Laplace

★ Kenner

★ Metairie

★ 'New Orleans'

★ 'Slidell'

★ 'Bay St. Louis, Mississippi'

Spur routes

★ Interstate 110 is a spur northward through downtown Baton Rouge toward the northern part of the city. It was not in the original plans, but was added in the 1960s to replace the cancelled Interstate 410.

★ Interstate 210 is a bypass around the south side of Lake Charles. It was added in September 1955.^[3]

★ Interstate 310 is a spur from I-10 west of New Orleans south to U.S. Highway 90 (future Interstate 49). It was part of a longer Interstate 410 from 1969 to 1977.^[4]

★
★ A previous Interstate 310 was added in 1964 and cancelled in 1969. It would have run from I-10 east of downtown New Orleans south and southwest through the French Quarter to the Greater New Orleans Bridge.

★ The first Interstate 410 was a northern bypass of Baton Rouge along the Airline Highway (U.S. Highway 61/190) corridor. It was added in September 1955 and removed by the late 1960s.

★
★ The second Interstate 410 was defined in 1969 as a southern bypass of New Orleans, as a sort of replacement for the cancelled Interstate 310. The southern section of I-410 was cancelled in 1977, and the west and east legs became Interstate 310 and Interstate 510, respectively.

★

25 px

Interstate 510 is a spur from I-10 in eastern New Orleans south to the Paris Road Bridge over the Gulf Intracoastal Waterway/(Mississippi River-Gulf Outlet Canal). It was part of a longer Interstate 410 from 1969 to 1977.

★

25 px

Interstate 610 is a bypass for through traffic north of downtown New Orleans. It was added in September 1955.

★

25 px

Interstate 910 is a piece of future Interstate 49 from downtown New Orleans south and west to Marrero. The temporary designation was assigned by the Federal Highway Administration and American Association of State Highway Officials in 1999, but is not signed and has not been accepted by the Louisiana Department of Transportation and Development.

History

Until around 1960, Interstates 10 and 59 would have split near the present I-510 interchange in eastern New Orleans.

By the beginning of planning for the Interstate Highway System in 1939 (then called the Interregional Highway System), the Houston-New Orleans-Mobile corridor was part of the system. Preliminary plans took it along U.S. 90 all the way through Louisiana, serving Lake Charles and Lafayette but not Baton Rouge.^[5] By ca. 1943, it had been shifted to the north west of New Orleans, using the Louisiana Highway 12, U.S. 190 and U.S. 61 corridors, and serving Baton Rouge but not Lake Charles or Lafayette.^[6] The 1947 plan shifted it to roughly the current alignment, including the long stretch of new corridor across the Atchafalaya Swamp.^[7] The corridor was assigned the Interstate 10 designation in mid-1957.^[8]
Prior to the gaining of federal funding for the Interstate System in the late 1950s, a toll road - the Acadian Thruway - had been proposed between Lafayette and a point near Gramercy on Airline Highway (U.S. 61). This would have provided a shorter route than I-10, bypassing Baton Rouge to the south. The Gramercy Bridge was later built along its planned alignment, with Louisiana Highway 3125 connecting to Gramercy, but no road extends west from the bridge across the Atchafalaya Swamp to Lafayette.
Interstate 12, serving as a bypass of New Orleans around the north side of Lake Pontchartrain, was not added until October 17, 1957. At the time, I-10 and Interstate 59 split in eastern New Orleans, with I-59 following present I-10 and I-10 following the U.S. 90 corridor into Mississippi, and so I-12 only ran to I-59 north of Slidell.^[9] By the mid-1960s, the routes had been realigned to their current configuration, with I-12 and I-59 both ending at I-10 near Slidell.^[10]
The Atchafalaya Swamp Freeway opened in March 1973.^[11]

Exit list

Parish	Location	Exit #	Destinations	Notes
2 px 20 px crosses the Sabine River Orange County, Texas-Calcasieu Parish, Louisiana Border
Calcasieu		1	Sabine River Turnaround	Westbound exit and eastbound entrance only.
		4	25 px 2 px 25 px 2 px 25 px U.S. Route 90 East/ LA 109 - Toomey, Starks	U.S. 90 joins westbound and leaves eastbound.
		7	LA 3063 - Vinton
		8	25 px LA 108 - Vinton
		20	25 px 25 px LA 27 - Sulphur, Cameron
		21	25 px LA 27 - DeQuincy
		23	25 px LA 108 - Industries, Sulphur
		25	I-210 East - Lake Charles Loop
		26	U.S. 90 West (Columbia Southern Road)	U.S. 90 joins eastbound and leaves westbound.
		27	25 px LA 378 - Westlake
	20 px crosses Lake Charles/Calcasieu River
	Lake Charles	29	25 px LA 385 South - Business District, Tourist Bureau	Eastbound exit and westbound entrance only.
		30A	25 px 25 px LA 385 (North Lakeshore Drive)
		30B	Ryan Street, Business District	Westbound exit and eastbound entrance only.
		31A	U.S. 90 (Enterprise Boulevard)
		31B	Shattuck Street	westbound exit and eastbound entrance
		31B	20 px 2 px 20 px 2 px 20 px U.S. 90 East/ LA 14 (Fruge Street)	Eastbound exit and westbound entrance. U.S. 90 joins westbound and leaves eastbound
		32	Opelousas Street
		33	2 px 25 px U.S. Route 171 North/LA 14 South (Martin Luther King Jr. Highway) - DeRidder
		34	I-210 West - Lake Charles Loop
		36	25 px LA 397 - Creole, Cameron
		43	25 px LA 383 - Iowa
Jefferson Davis		44	U.S. Route 165 - Alexandria
		48	25 px LA 101 - Lacassine
		54	25 px LA 99 - Welsh
		59	25 px LA 395 - Roanoke
		64	LA 26 - Elton, Jennings
		65	25 px LA 97 - Evangeline, Jennings
Acadia		72	Egan
		76	25 px LA 91 - Iota, Estherwood
		80	LA 13 - Eunice, Crowley
		82	LA 1111 - East Crowley
		87	25 px LA 35 - Church Point, Rayne
		92	25 px LA 95 - Mire, Duson
Lafayette		97	25 px LA 93 - Cankton, Scott
	Lafayette	100	LA 3184 (Ambassador Caffery Parkway)
		101	25 px LA 182 (North University Avenue)
		103A	U.S. Route 167 South - Lafayette	Exit to reach U.S. 90 and Morgan City.
		103B	20 px 2 px I-49 North/U.S. 167 North - Opelousas
		104	Louisiana Avenue, Johnston Street
Saint Martin		109	25 px LA 328 - Breaux Bridge
		115	25 px LA 347 - Cecilia, Henderson
	20 px begins crossing the Atchafalaya River Basin and Swamp via the Atchafalaya Swamp Freeway
		121	25 px LA 105/LA 3177 - Butte La Rose
Iberville		127	Louisiana Highway 975 - Whiskey Bay
		135	LA 3000 - Ramah, Maringouin
	The Atchafalaya Swamp Freeway ends on 20 px
		139	25 px LA 77 - Rosedale, Grosse Tete
West Baton Rouge		151	25 px 2 px 25 px 25 px 2 px 25 px LA 415/ U.S. Route 190 - Lobdell
		153	LA 1 - Port Allen, Plaquemine
West Baton Rouge-East Baton Rouge parish line		Horace Wilkinson Bridge over the Mississippi River
East Baton Rouge	Baton Rouge	155A	25 px LA 30 (Nicholson Drive) - LSU, Highland Road	Eastbound exit and westbound entrance only.
		155B	I-110 North - Business District, Metro Airport
		156C	Louise Street	Westbound exit and eastbound entrance only.
		156A	Washington Street	Eastbound exit and westbound entrance only.
		156B	Dalrymple Drive, LSU	No eastbound entrance.
		20 px crosses City Park Lake
		157A	Perkins Road	Eastbound exit and westbound entrance only.
		157B	25 px LA 427 (Acadian Thruway) - LSU
		158	College Drive
		159	20 px I-12 East - Hammond
		160	LA 3064 (Essen Lane)
		162A	LA 1248 (Bluebonnet Road)
		162B	Picardy Avenue
		163	LA 3246 (Siegen Lane)
		166	25 px 2 px 25 px LA 42/LA 427 (Highland Road) - Perkins Road
East Baton Rouge-Ascension parish line		20 px crosses Bayou Manchac
Ascension		173	25 px LA 73 - Prairieville, Geismar
		177	25 px LA 30 - Gonzales, St. Gabriel
		179	25 px LA 44 - Gonzales, Burnside
		182	LA 22 - Sorrento, Donaldsonville
		187	U.S. Route 61 South - Gramercy	Eastbound exit and eastbound entrance from U.S. 61 South ONLY. Also known as Airline Highway.
		187	U.S. 61 North - Sorrento	Westbound exit and westbound entrance from U.S. 61 north ONLY.
Saint James		194	LA 641 South - Gramercy
Saint John the Baptist		206	LA 3188 South - Laplace
		209	U.S. Route 51 20 px 20 px I-55 North - Hammond, Laplace
		210	I-55 North - Hammond	Westbound exit and eastbound entrance only.
Bonnet Carré Spillway Bridge begins over Lake Pontchartrain and the Bonnet Carré Spillway
Saint Charles		220	I-310 South - Boutte, Houma
The Bonnet Carré Spillway Bridge ends on 20 px as it crosses the Saint Charles-Jefferson parish line
Jefferson	Kenner	221	Loyola Drive
		223	25 px LA 49 (Williams Boulevard) - N.O. Int'l Airport	Eastbound exit.
		223A	N.O. International Airport	Westbound exit and eastbound entrance only. Airport traffic only.
		223B	25 px LA 49 (Williams Boulevard) - 32nd Street	Westbound exit.
	Metairie	224	Power Boulevard	Westbound exit and eastbound entrance.
		225	Veterans Boulevard
		226	Clearview Parkway, Huey P. Long Bridge
		228	Causeway Boulevard, Mandeville	Use exit 228 to reach the Lake Pontchartrain Causeway. Interstate 10 is under major construction from Exit 228 to the 17th Street Canal Bridge through at least 2008.[12]
		229	Bonnabel Boulevard
		230	I-610 East - Slidell	No westbound exit at exit 230.
Jefferson-Orleans parish line		17th Street Canal Bridge over the 17th Street Canal
Orleans	New Orleans	231B	Florida Boulevard, West End Boulevard	Westbound exit only. Entrance from Pontchartrain Boulevard. I-10 is named the Pontchartrain Expressway from Exit 231B to Exit 234A.
		231A	City Park Avenue, Metairie Road
		232	U.S. 61 (Airline Highway/Tulane Avenue) - Carrollton Avenue
		234A	2 px 2 px U.S. 90/U.S. 90 Business - Superdome, (Claiborne Avenue) - Westbank	Eastbound exit and westbound entrance only.
		234B	Poydras Street - Superdome	Eastbound exit and westbound entrance only. Exit is from left lane.
		234 C	20 px 2 px 20 px 20 px 2 px 20 px U.S. 90 Business West/U.S. 90 West - Westbank - (Claiborne Avenue)	Westbound exit and east/west entrances.
		235B	Canal Street, Superdome	Westbound exit. Eastbound entrance from northbound Tulane Avenue.
		235A	Orleans Avenue, Vieux Carre	No eastbound entrance.
		236A	Esplanade Avenue	Eastbound exit and eastbound entrance only.
		236B	LA 39 (North Claiborne Avenue)	Eastbound exit and westbound entrance only. Exit to reach Chalmette.
		236C	Saint Bernard Avenue	Westbound exit and eastbound entrance only. Exit to reach North Claiborne Avenue.
		237	25 px LA 3021 (Elysian Fields Avenue)
		238B	I-610 West - N.O. Int'l Airport, Baton Rouge	Westbound exit and eastbound entrance only.
		238A	Franklin Avenue	Westbound exit and eastbound entrance only.
		239	Louisa Street, Almonaster Boulevard	Westbound exit and entrance.
		239A	Louisa Street South, Almonaster Boulevard East	Eastbound exit and entrance
		239B	Louisa Street North, Almonaster Boulevard West	Eastbound exit and entrance.
		I-10 High Rise Bridge over the Inner Harbor Navigational Canal
		240A	Downman Road	Eastbound exit and westbound entrance only.
		240B	U.S. 90 East (Chef Highway)	Eastbound exit and east/west entrances.
		240B	20 px U.S. 90 West (Chef Highway)	Westbound exit and west/east entrances.
		241	Morrison Road
		242	Crowder Boulevard
		244	Read Boulevard
		245	Bullard Avenue
		246A	2 px 25 px I-510 South/LA 47 South - Chalmette
		246B	25 px LA 47 North - Little Woods
		248	Michoud Boulevard
		251	Bayou Sauvage National Wildlife Refuge	as of January 2007, presumably due to Hurricane Katrina damage.
		254	U.S. Route 11 - Irish Bayou, North Shore
Orleans-Saint Tammany parish line			I-10 Twin Span Bridge over Lake Pontchartrain The Twin Spans are under major construction through 2011[13]
Saint Tammany		261	Oak Harbor Boulevard, Eden Isles
	Slidell	263	25 px LA 433 - Slidell	Locally known as Old Spanish Trail.
		Future exit	25 px 25 px U.S. 190 Business (Fremaux Avenue) - Slidell Business District	Currently under construction.
		266	U.S. Route 190 (Gause Boulevard) - Slidell
		267A	I-59 North - Hattiesburg
		267B	I-12 West - Hammond, Baton Rouge
	I-10 crosses the West Pearl River
20 px crosses the East Pearl River Saint Tammany Parish, Louisiana-Hancock County, Mississippi Border I-10 continues eastward into Mississippi

See also

★ Airline Highway

★ Acadian Thruway

References

1. Louisiana Interstate Highway Log
2. List of Control Cities for Use in Guide Signs on Interstate Highways
3.
4. Richard F. Weingroff, The Second Battle of New Orleans - Vieux Carré Riverfront Expressway (I-310)
5. , 1939
6. , ca. 1943
7. , August 2, 1947
8. , August 14, 1957
9. , October 17, 1957
10. , ca. 1963
11. Richard F. Weingroff, Dwight D. Eisenhower System of Interstate and Defense Highways - Engineering Marvels
12. Rainey, Richard. "Choke Point". Page 1A of The (New Orleans) Times-Picayune, Wednesday, April 25, 2007. Accessed online April 28, 2007.
13. "Twin Span Bridge Replacement Project" Louisiana Department of Transportation and Development's Web site. Accessed April 29, 2007.