Interstate 10 in Louisiana

This article is about the section of Interstate 10 in Louisiana. For the entire route, see Interstate 10.

Interstate 10 marker

Interstate 10

Route information

Maintained by Louisiana DOTD

Length:

274.42 mi^[1] (441.64 km)

Existed:

1939 (planned);
1957 (numbered);
1978 (completed)^[2] – present

Major junctions

West end:

I-10 / US 90 at Texas state line

I‑49 in Lafayette

I‑12 in Baton Rouge

I‑55 near LaPlace

US 90 / US 90 Bus. in New Orleans

I‑12 / I‑59 near Slidell

East end:

I-10 at Mississippi state line

Highway system

Interstate Highway System

Louisiana Highway System

← LA 9		LA 10 →
← LA 3026	3027	LA 3028 →

Interstate 10 (I-10), a major transcontinental Interstate Highway in the Southern United States, runs across the southern part of Louisiana for 274.42 miles (441.64 km).^[1]^[3] It passes through Lake Charles, Lafayette, and Baton Rouge before dipping south of Lake Pontchartrain to serve the New Orleans metropolitan area before leaving the state.

In August 2005, the I-10 Twin Span Bridge was severely damaged by Hurricane Katrina, rendering it unusable. Initially, the bridge was repaired through a $30.9 million contract with Boh Brothers Construction Company. However, Louisiana has since replaced the bridge with two higher elevation spans in 2009 and 2010.

Route description

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. This route has signs and is designated as an alternate I-10 by-pass that runs from I-10/I-49 north to U.S. 190(exit 19B at Opelousas) then east across to Baton Rouge and back down to I-10 via I-110 south. Traffic can be diverted both ways along this route should there be the necessity to close I-10 across the Atchafalaya Swamp Freeway and is also used as a hurricane evacuation route.

I-10 running west of New Orleans, spans the Bonnet Carre Spillway at Lake Pontchartrain

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 (c. 1952, replaced 2003), the Lake Charles I-10 Bridge (1952), the Atchafalaya Swamp Freeway (1973), the Horace Wilkinson Bridge over the Mississippi River (1968), the Bonnet Carré Spillway Bridge (c. 1972), the Industrial Canal Bridge (c. 1960), Frank Davis "Naturally N'Awlins" Memorial Bridge (1965, replaced 2010), and the Pearl River Bridge (c. 1970).

Interstate 10 eastbound passing over Lake Charles/Calcasieu River near Lake Charles

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.^[4] By c. 1943, it had been shifted to the north west of New Orleans, using the Louisiana Highway 12 (LA 12), U.S. 190 and US 61 corridors, and serving Baton Rouge but not Lake Charles or Lafayette.^[5] The 1947 plan shifted it to roughly the current alignment, including the long stretch of new corridor across the Atchafalaya Swamp.^[6] The corridor was assigned the Interstate 10 designation in mid-1957.^[7]

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 (US 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 LA 3125 connecting to Gramercy, but no road extends west from the bridge across the Atchafalaya Swamp to Lafayette.

Atchafalaya Swamp Freeway in Iberville Parish

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.^[8] 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.^[9]

Construction of the Interstate Highway System in Louisiana began in 1957.^[10] Early I-10 contracts were done under the route designation LA 3027. Much of the early construction on the I-10 corridor was concentrated on relieving traffic problems in urban centers. Several such projects were already underway and were incorporated into the route of I-10 during construction, such as the Pontchartrain Expressway in New Orleans. In addition, the two major bridges on the route in Calcasieu Parish between the Texas state line and Lake Charles were built for U.S. 90 in the early 1950s and retrofitted for I-10 traffic. Sections of I-10 through rural areas and/or those sections already served adequately by existing highways, such as Airline Highway (US 61) between Baton Rouge and New Orleans, were constructed later in the program. By the spring of 1975, the entire route of I-10 had been opened across Louisiana except for a problem 5.5 mile section between Gonzales and Sorrento that was not completed for another three years.

Segment	Year Opened
Sabine River Bridge (Texas-Louisiana state line):	Existing U.S. 90 bridge opened May 11, 1954^[11]
Sabine River to Vinton	Existing U.S. 90 opened May 11, 1954; upgraded to interstate standards and opened February 24, 1967^[12]
Vinton to Sulphur	September 21, 1965^[13]
Sulphur to Westlake:	April 16, 1962^[14]
Calcasieu River Bridge (Westlake-Lake Charles)	Existing U.S. 90 bridge, opened September 28, 1951^[15]
Calcasieu River to U.S. 171 (Lake Charles):	April 3, 1963^[16]
U.S. 171 (Lake Charles) to U.S. 165 (Iowa):	February 17, 1964^[17]
U.S. 165 (Iowa) to Welsh	December 9, 1964^[18]
Welsh to Jennings:	Spring 1965^[18]
Jennings to Crowley:	March 28, 1963^[19]
Crowley to Duson	December 19, 1966^[20]
Duson to U.S. 167 (Lafayette):	October 30, 1968^[21]
U.S. 167 (Lafayette) to Grosse Tete (including Atchafalaya Basin Bridge):	March 12, 1973^[22]
Grosse Tete to Lobdell:	March 28, 1974^[23]
Lobdell to Port Allen:	November 7, 1970^[24]
Baton Rouge: Mississippi River Bridge (Port Allen-Baton Rouge)	April 10, 1968^[25]
Baton Rouge: Mississippi River to Perkins Road:	September 18, 1964^[26]
Baton Rouge: Perkins Road to College Drive	October 1965^[27]
Baton Rouge: College Drive to Highland Road	May 31, 1974^[28]
Highland Road to Gonzales	December 19, 1974^[29]
Gonzales to Sorrento	May 5, 1978^[30]
Sorrento to LaPlace:	April 16, 1975^[31]
Laplace to Williams Boulevard (Kenner) (including Bonnet Carré Spillway Bridge)	December 17, 1971^[32]
Jefferson Parish: Williams Boulevard to Veterans Highway (Metairie):	May 17, 1968^[33]
Jefferson Parish: Veterans Memorial Blvd to Causeway Boulevard (Metairie):	December 1967^[34]
Jefferson Parish: Causeway Boulevard Metairie to Pontchartrain Expressway (New Orleans):	March 26, 1965^[35]
New Orleans: Ponchartrain Expressway from Florida Avenue to Mound Avenue	October 4, 1962^[36]
New Orleans: Ponchartrain Expressway from Mound Avenue to Airline Highway (US 61):	February 16, 1962^[37]
New Orleans: Ponchartrain Expressway from Airline Highway (US 61) to Claiborne Avenue (U.S. 90):	February 19, 1960^[38]
New Orleans: Claiborne Expressway from Ponchartrain Expressway to Tulane Avenue:	December 8, 1972^[39]
New Orleans: Claiborne Expressway from Tulane Avenue to Orleans Avenue:	June 16, 1969^[40]
New Orleans: Claiborne Expressway from Orleans Avenue to St. Bernard Avenue	March 14, 1968^[41]
New Orleans: Claiborne Expressway from St. Bernard Avenue to Franklin Avenue	February 27, 1968^[42]
New Orleans: Claiborne Expressway from Franklin Avenue to Industrial Canal	April 1966^[43]
New Orleans: Industrial Canal Bridge	December 21, 1965^[44]
New Orleans: Industrial Canal to Morrison Road:	December 8, 1966^[45]
New Orleans: Morrison Road to Paris Road	October 18, 1972^[46]
New Orleans: Paris Road to U.S. 11	April 24, 1967^[47]
U.S. 11 (New Orleans) to I-12/I-59 (Slidell) (including Lake Pontchartrain Twin Span Bridge)	December 21, 1965^[48]
I-12/I-59 (Slidell) to East Pearl River:	February 16, 1971^[49]
Pearl River Bridge (Louisiana-Mississippi state line)	February 16, 1971^[49]

In the aftermath of Hurricane Katrina, the I-10 Twin Span Bridge, a portion of I-10 between New Orleans and Slidell, spanning the eastern end of Lake Pontchartrain, was severely damaged, causing a break in I-10 at that point. Unlike the Escambia Bay Bridge (east of Pensacola, Florida and damaged by Hurricane Ivan) which is a major artery, I-12 is available to bypass New Orleans. Taking I-12 to the Lake Ponchartrain Causeway allowed entry and exit to and from the Greater New Orleans area from the East. On October 14, 2005 at 3:00 PM, the eastbound span was reopened to two way traffic. On January 6, 2006 at 6:00 AM, both lanes of the westbound span were reopened to traffic using temporary metal trusses and road panels to replace damaged sections.^[50] This restored all four lanes of the I-10 Twin Span for normal traffic with a 45 mph (70 km/h) speed limit for the westbound lanes and 60 mph (100 km/h) for the eastbound lanes. Oversized and overweight traffic was prohibited until a new permanent six-lane span replaced the two temporarily repaired spans. The eastbound span opened to traffic on July 9, 2009, and the westbound span opened on April 7, 2010, with the old bridge being permanently closed.^[51]^[52]^[53]^[54] The approaches to the westbound lanes were completed with a ribbon cutting ceremony on September 8, 2011 and the opening of all 6 lanes the next morning.^[55] The old Twin Span will be demolished in the near future.^[56] In 2014, the Louisiana State Legislature officially named the Twin Span as the Frank Davis "Naturally N'Awlins" Memorial Bridge.^[57]

A S68.9 million, three-year construction project was completed between Causeway Boulevard and the 17th Street Canal in Metairie, Louisiana. It added new lanes in both directions and improve the exit and entrance ramps at Causeway and Bonnabel Blvd.

In 2012, the state completed a widening project between Causeway and Clearview Pkwy and between the I-10/I-610 split and Airline Highway (US 61).^[58] In 2015, the additional lanes were extended in Metairie, from Clearview Pkwy west to Veterans Blvd.

I-10 was widened to three lanes in each direction from the I-10/I-12 split to Highland Road (Exit 166) from late 2008 to Spring 2013.

Future

In 2016, I-10 will be reconstructed between I-49 (Exit 103) to Henderson (Exit 115). A center concrete barrier will be constructed, road repaved, and an extra travel lane will be constructed, making I-10 three lanes in each direction.

There are also calls to remove the I-10 Claiborne Expressway in New Orleans and rename I-610 to I-10.^[59] The entire length of the Pontchartrain Expressway would likely be renamed as I-910 or I-49.

Exit list

Parish	Location	mi^[3]	km	Exit	Destinations	Notes
Calcasieu		0.0	0.0		I-10 / US 90 west – Beaumont	Texas–Louisiana state line
		0.0– 0.5	0.0– 0.8	Bridge over Sabine River
		0.6	1.0	1	Sabine River Turnaround	Eastbound entrance and westbound exit
	Toomey	4.0– 4.4	6.4– 7.1	4	US 90 east to LA 109 – Toomey, Starks	East end of US 90 concurrency
	Vinton	7.4– 7.8	11.9– 12.6	7	LA 3063 – Vinton	Southern terminus of LA 3063
	Vinton	8.7– 9.3	14.0– 15.0	8	LA 108 – Vinton	Western terminus of LA 108
	Sulphur	20.3– 21.0	32.7– 33.8	20	LA 1256 to LA 27 – Sulphur, Cameron
		21.4– 21.9	34.4– 35.2	21	LA 27 – DeQuincy
		23.4– 23.9	37.7– 38.5	23	LA 108 – Industries, Sulphur
		24.9– 25.7	40.1– 41.4	25	I‑210 east (Lake Charles By-Pass)	Western terminus of I-210 (exit 1B on I-210 to I-10 east)
		26.1– 27.1	42.0– 43.6	26	US 90 west / PPG Drive, Trousdale Road (westbound) PPG Drive (eastbound)	West end of US 90 concurrency
	Westlake	27.7– 28.0	44.6– 45.1	27	LA 378 – Westlake	Southern terminus of LA 378
	Westlake–Lake Charles line	28.0– 29.3	45.1– 47.2	Bridge over Calcasieu River
	Lake Charles	29.5– 30.2	47.5– 48.6	29	LA 1262 (Lakeshore Drive) – Downtown Area	Northern terminus of LA 1262; signed as exit 30A westbound
		30.4– 30.7	48.9– 49.4	30B	Ryan Street – Downtown Area	Eastbound entrance and westbound exit
		31.0– 31.5	49.9– 50.7	31A	US 90 Bus. (Enterprise Boulevard)	Western terminus of US 90 Bus.
		31.7– 32.0	51.0– 51.5	31B	US 90 east to LA 14 (eastbound) Shattuck Street (westbound)	East end of US 90 concurrency
		32.4– 32.7	52.1– 52.6	32	Opelousas Street	No eastbound entrance
		32.7– 33.3	52.6– 53.6	33	US 171 north – DeRidder, Shreveport To LA 14 – Cameron (westbound only)
		33.8– 34.4	54.4– 55.4	34	I‑210 west (Lake Charles By-Pass)	Eastern terminus of I-210 (exit 12 on I-210 to I-10 west)
		35.8– 36.4	57.6– 58.6	36	LA 397 – Creole, Cameron
	Iowa	42.8– 43.1	68.9– 69.4	43	LA 383 – Iowa
Jefferson Davis		44.3– 44.6	71.3– 71.8	44	US 165 – Kinder, Alexandria
	Lacassine	47.9– 48.2	77.1– 77.6	48	LA 101 – Lacassine
	Welsh	54.3– 54.6	87.4– 87.9	54	LA 99 – Welsh
	Roanoke	59.1– 59.5	95.1– 95.8	59	LA 395 – Roanoke
	Jennings	63.6– 64.1	102.4– 103.2	64	LA 26 – Elton, Jennings
	Jennings	65.7– 66.1	105.7– 106.4	65	LA 97 – Evangeline, Jennings
Acadia		71.8– 72.2	115.6– 116.2	72	Egan	To LA 91/LA 100 via Trumps Road (not signed)
		75.8– 76.2	122.0– 122.6	76	LA 91 – Iota, Estherwood
	Crowley	80.4– 81.0	129.4– 130.4	80	LA 13 – Eunice, Crowley
	Crowley	81.8– 82.3	131.6– 132.4	82	LA 1111 – East Crowley
	Rayne	87.5– 88.0	140.8– 141.6	87	LA 35 / LA 98 – Church Point, Rayne
	Duson	92.2– 92.6	148.4– 149.0	92	LA 95 – Mire, Duson
Lafayette	Scott	97.3– 97.7	156.6– 157.2	97	LA 93 – Cankton, Scott
	Lafayette	99.7– 100.2	160.5– 161.3	100	LA 3184 (Ambassador Caffery Parkway)	Northern terminus of LA 3184
		101.6– 102.2	163.5– 164.5	101	LA 182 (North University Avenue)
		102.9– 103.5	165.6– 166.6	103	I‑49 / US 167 north – Opelousas US 167 south to US 90 – Morgan City	Southern terminus of I-49 (exit 1 on I-49); signed as exit 103A to US 167 south and 103B to I-49/US 167 north; US 167 south is Evangeline Thruway (not signed)
		104.1– 105.0	167.5– 169.0	104	Louisiana Avenue
St. Martin	Breaux Bridge	109.4– 109.9	176.1– 176.9	109	LA 328 – Breaux Bridge
		114.6– 115.2	184.4– 185.4	115	LA 347 – Cecilia, Henderson
	Henderson	117.3	188.8	West end of Louisiana Airborne Memorial Bridge over Atchafalaya Basin
		121.4– 121.7	195.4– 195.9	121	LA 3177 – Butte LaRose	Northern terminus of LA 3177
		121.9	196.2	Bridge over Atchafalaya River
Iberville		126.9	204.2	Bridge over Whiskey Bay Pilot Channel
		127.3– 127.6	204.9– 205.4	127	LA 975 – Whiskey Bay	Southern terminus of LA 975
	Ramah	135.1	217.4	East end of Louisiana Airborne Memorial Bridge over Atchafalaya Basin
	Ramah	135.2– 135.5	217.6– 218.1	135	LA 3000 – Ramah, Maringouin	Southern terminus of LA 3000; to LA 76 (not signed)
	Grosse Tete	139.3– 139.9	224.2– 225.1	139	LA 77 – Rosedale, Grosse Tete
West Baton Rouge		151.1– 151.7	243.2– 244.1	151	LA 415 to US 190 – Lobdell	Southern terminus of LA 415
West Baton Rouge	Port Allen	153.2– 153.8	246.6– 247.5	153	LA 1 – Port Allen, Plaquemine
Mississippi River		153.4– 155.0	246.9– 249.4	Horace Wilkinson Bridge
East Baton Rouge	Baton Rouge	154.8	249.1	155A	LA 30 (Nicholson Drive) / Highland Road – LSU	Eastbound exit and westbound entrance
		155.1– 155.6	249.6– 250.4	155B	I‑110 north – Downtown, Metro Airport	Southern terminus of I-110 (exit 1I–J on I-110)
		155.9	250.9	155C	Louise Street	Eastbound entrance and westbound exit
		155.7	250.6	156A	Washington Street	Eastbound exit and westbound entrance
		156.2	251.4	156B	Dalrymple Drive – LSU	No eastbound entrance
		156.9– 157.1	252.5– 252.8	157A	Perkins Road	Eastbound exit and westbound entrance
		257.2– 157.7	413.9– 253.8	157B	Acadian Thruway – LSU	Acadian Thruway is LA 427 (not signed)
		157.9– 158.3	254.1– 254.8	158	College Drive
		159.3– 160.0	256.4– 257.5	159	I‑12 east – Hammond	Western terminus of I-12 (exit 1A on I-12)
		160.4– 161.0	258.1– 259.1	160	LA 3064 (Essen Lane)
		161.6– 163.3	260.1– 262.8	162	LA 1248 (Bluebonnet Boulevard) Mall of Louisiana Boulevard	Northern terminus of LA 1248; signed as exit 162A to LA 1248 and 162B to Mall of Louisiana
		162.9– 163.8	262.2– 263.6	163	LA 3246 (Siegen Lane)
	Kleinpeter	166.5– 167.1	268.0– 268.9	166	LA 42 (Highland Road) LA 427 (Perkins Road)
Ascension	Prairieville	172.6– 173.2	277.8– 278.7	173	LA 73 – Prairieville, Geismar	LA 73 is Old Jefferson Highway (not signed)
	Gonzales	177.2– 177.9	285.2– 286.3	177	LA 30 – Gonzales, St. Gabriel
	Gonzales	179.3– 180.0	288.6– 289.7	179	LA 44 – Gonzales, Burnside
	Sorrento	182.3– 183.0	293.4– 294.5	182	LA 22 – Sorrento, Donaldsonville
		186.9– 187.5	300.8– 301.8	187	US 61 south – Gramercy (eastbound) US 61 north – Sorrento (westbound)	Directional access (eastbound/southbound or westbound/northbound) only; US 61 is Airline Highway (not signed)
St. James		194.5– 195.1	313.0– 314.0	194	LA 641 south – Gramercy, Lutcher	Northern terminus of LA 641
St. John the Baptist	LaPlace	205.6– 206.3	330.9– 332.0	206	LA 3188 south – LaPlace	Northern terminus of LA 3188
		209.1– 209.8	336.5– 337.6	209	US 51 to I‑55 north – Hammond, LaPlace	To I-55 signed eastbound only
		209.2	336.7	West end of bridge over Bonnet Carré Spillway / LaBranche Wetlands
		210.1	338.1	210	I‑55 north – Hammond	Southern terminus of I-55 (exit 1 on I-55); eastbound entrance and westbound exit
St. Charles		219.6– 220.8	353.4– 355.3	220	I‑310 south – Boutte, Houma	Northern terminus of I-310 (exit 1, 1A on I-310)
Jefferson	Kenner	221.1	355.8	East end of bridge over Bonnet Carré Spillway / LaBranche Wetlands
		221.2– 222.0	356.0– 357.3	221	Loyola Drive
		223.1– 224.0	359.0– 360.5	223	LA 49 (Williams Boulevard) / 32nd Street N. O. Int'l Airport	Signed as exit 223A to Williams Blvd./32nd St. and 223B to Airport; 32nd Street (westbound exit only), Airport (eastbound entrance and westbound exit)
	Metairie	224.5– 224.7	361.3– 361.6	224	Power Boulevard	Eastbound entrance and westbound exit
		224.9– 225.5	361.9– 362.9	225	Veterans Boulevard
		226.5– 227.2	364.5– 365.6	226	Clearview Parkway – Huey Long Bridge	Northern terminus of LA 3152 (not signed)
		228.1– 229.0	367.1– 368.5	228	Causeway Boulevard – Mandeville Bonnabel Boulevard (eastbound only)	To Mandeville via Lake Pontchartrain Causeway
		229.5– 229.7	369.3– 369.7	229	Bonnabel Boulevard	Eastbound entrance and westbound exit (other movements via exit 228)
Jefferson–Orleans line	Metairie–New Orleans line	230.3– 231.1	370.6– 371.9	230	I‑610 east – Slidell	Western terminus of I-610 (exit 1B on I-610); no westbound exit
Orleans	New Orleans	230.7– 231.1	371.3– 371.9	231B	Florida Boulevard, West End Boulevard	Eastbound exit via exit 1A on I-610; Florida Boulevard only accessed from westbound exit
		231.3– 232.0	372.2– 373.4	231A	City Park Avenue, Metairie Road	Eastern terminus of LA 611-9 (not signed)
		231.9– 233.3	373.2– 375.5	232	US 61 (Airline Highway, Tulane Avenue) Carrollton Avenue
		233.8– 234.1	376.3– 376.7	234A	US 90 (Claiborne Avenue) – Superdome US 90 Bus. – Westbank	Eastern terminus of US 90 Bus.; eastbound exit and westbound entrance
		234.3	377.1	234B	Poydras Street – Superdome	Eastbound exit and westbound entrance
		234.5– 234.8	377.4– 377.9	234C	US 90 west (Claiborne Avenue) US 90 Bus. west – Westbank	Eastbound entrance and westbound exit
		235.0	378.2	235B	Canal Street – Superdome	Eastbound entrance and westbound exit
		235.4– 235.9	378.8– 379.6	235A	Orleans Avenue – Vieux Carré
		235.6	379.2	236A	Esplanade Avenue	Eastbound exit only
		236.0– 236.2	379.8– 380.1	236B	LA 39 (North Claiborne Avenue)	Northern terminus of LA 39; eastbound exit and westbound entrance
		236.4	380.4	236C	St. Bernard Avenue	Eastbound entrance and westbound exit
		236.7– 237.2	380.9– 381.7	237	Elysian Fields Avenue	Elysian Fields Avenue is LA 3021 (not signed)
		238.0– 238.3	383.0– 383.5	238B	I‑610 west – N.O. Int'l Airport, Baton Rouge	Eastern terminus of I-610; eastbound entrance and westbound exit
		238.2	383.3	238A	Franklin Avenue	Eastbound entrance and westbound exit
		238.5– 239.2	383.8– 385.0	239A	Louisa Street (north/south) Almonaster Boulevard (east/west)	Signed eastbound as exit 239A (south/east) and 239B (north/west), westbound as exit 239 (Almonaster not signed)
		238.9– 240.2	384.5– 386.6	High Rise Bridge over Inner Harbor Navigation Canal (or Industrial Canal)
		239.8– 240.0	385.9– 386.2	240A	Downman Road	Eastbound exit and westbound entrance
		240.4– 240.8	386.9– 387.5	240B	US 90 (Chef Highway)
		241.5– 241.9	388.7– 389.3	241	Morrison Road	Eastern terminus of LA 1253 (not signed)
		242.6– 243.0	390.4– 391.1	242	Crowder Boulevard
		243.6– 244.2	392.0– 393.0	244	Read Boulevard
		244.8– 245.3	394.0– 394.8	245	Bullard Avenue
		246.3– 247.0	396.4– 397.5	246	I‑510 / LA 47 south – Chalmette LA 47 north – Little Woods	Northern terminus of I-510 (exit 1A on I-510); signed as exit 246A to I-510/LA 47 south and 246B to LA 47 north
		247.9– 248.5	399.0– 399.9	248	Michoud Boulevard
		249.3– 249.8	401.2– 402.0	249	–	Abandoned (connecting road never constructed)
		250.7– 251.3	403.5– 404.4	251	–	Abandoned (serves gravel road open to authorized traffic only)
		254.2– 254.9	409.1– 410.2	254	US 11 – North Shore, Irish Bayou
Lake Pontchartrain		254.8– 260.4	410.1– 419.1	Frank Davis "Naturally N'Awlins" Memorial Bridge (or I-10 Twin Span Bridge)
St. Tammany		260.9– 261.7	419.9– 421.2	261	Lakeshore, Oak Harbor
	Slidell	263.2– 263.7	423.6– 424.4	263	LA 433 (Old Spanish Trail)
		264.8– 265.3	426.2– 427.0	265	US 190 Bus. (Fremaux Avenue)
		265.9– 266.4	427.9– 428.7	266	US 190 (Gause Boulevard)
		267.1– 268.2	429.9– 431.6	267	I‑12 west – Hammond I‑59 north – Hattiesburg	Eastern terminus of I-12 (exit 85A,C on I-12); southern terminus of I-59 (exit 1A–B on I-59); signed as exit 267A to I-59 and 267B to I-12
		269.7– 270.1	434.0– 434.7	Bridge over West Pearl River
		273.1– 273.6	439.5– 440.3	Bridge over Pearl River
		273.6	440.3		I-10 east – Bay St. Louis	Continuation in Mississippi
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Closed/former Concurrency terminus Incomplete access

Auxiliary routes

Interstate 10 crossing the Mississippi River in Baton Rouge over the Horace Wilkinson Bridge

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 1962.^[60]
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.^[61]
- 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.^[61]
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^[60] 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.^[61]
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.^[61]
Interstate 610 is a bypass for through traffic north of downtown New Orleans. It was added in September 1955.^[60]
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.

References

1 2 Staff (October 31, 2002). "Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of October 31, 2002". Route Log and Finder List. Federal Highway Administration. Retrieved August 15, 2012.
↑ Albarado, Sonny (May 6, 1978). "Long-awaited I-10 link opened by Gov. Edwards". Morning Advocate (Baton Rouge). p. 1B.
1 2 Google (June 2, 2013). "Overview Map of I-10" (Map). Google Maps. Google. Retrieved June 2, 2013.
↑ Proposed Interregional Highway System (Map). Bureau of Public Roads. 1939. Retrieved August 15, 2012.
↑ Routes of the Recommended Interregional Highway System (Map). Bureau of Public of Roads. c. 1943. Retrieved August 15, 2012.
↑ National System of Interstate Highways (Map). Public Roads Administration. August 2, 1947. Retrieved August 15, 2012.
↑ Official Route Numbering for the National System of Interstate and Defense Highways (Map). Public Roads Administration. August 14, 1957. Retrieved August 15, 2012.
↑ Routes To Be Added to the National System of Interstate and Defense Highways (Map). Public Roads Administration. October 17, 1957. Retrieved August 15, 2012.
↑ The National System of Interstate and Defense Highways (Map). Public Roads Administration. c. 1963. Retrieved August 15, 2012.
↑ "Federal funds for roads". State-Times (Baton Rouge). August 7, 1957. p. 8A.
↑ "Sabine bridge dedication held". The Times-Picayune (New Orleans). May 12, 1954. p. 1. ISSN 1055-3053.
↑ "New interstate link finished to Texas line". State-Times (Baton Rouge). February 23, 1967. p. 10A.
↑ "Sulphur-Vinton interstate opens". Morning Advocate (Baton Rouge). September 22, 1965. p. 10B. ISSN 1056-2125.
↑ "Section of interstate opened at Lake Charles". State-Times (Baton Rouge). April 17, 1962. p. 5B.
↑ "Calcasieu River Bridge to open". Morning Advocate (Baton Rouge). September 28, 1951. p. 7B. ISSN 1056-2125.
↑ "Lake Charles Expressway dedication set". State-Times (Baton Rouge). April 2, 1963. p. 7B.
↑ "Dedication set for major link in Interstate 10". Morning Advocate (Baton Rouge). February 15, 1964. p. 9A. ISSN 1056-2125.
1 2 "Iowa-Welsh interstate link opens". Morning Advocate (Baton Rouge). December 10, 1964. p. 15B. ISSN 1056-2125.
↑ "Interstate 10 section will open today". Morning Advocate (Baton Rouge). March 28, 1963. p. 14D. ISSN 1056-2125.
↑ "Stewart says '66 was best one for roads". State-Times (Baton Rouge). December 16, 1966. p. 1.
↑ "I-10 strip set for dedication early Wednesday". Morning Advocate (Baton Rouge). October 29, 1968. p. 5B. ISSN 1056-2125.
↑ "I-10 link opening Monday". State-Times (Baton Rouge). March 8, 1973. p. 1B.
↑ "Final segment of Interstate 10 between B.R., Texas dedicated". The Times-Picayune (New Orleans). March 29, 1974. p. 1. ISSN 1055-3053.
↑ "I-10 section opens Saturday". Morning Advocate (Baton Rouge). November 6, 1970. p. 10B. ISSN 1056-2125.
↑ "New bridge opens here tomorrow". State-Times (Baton Rouge). April 9, 1968. p. 1.
↑ "BR Interstate section opens Friday morning". State-Times (Baton Rouge). September 15, 1964. p. 1.
↑ "Opening is set this week for highway section". State-Times (Baton Rouge). October 20, 1965. p. 8C.
↑ "Elle coupe le ruban; le chemin s'ouvre". Morning Advocate (Baton Rouge). June 1, 1974. p. 1B. ISSN 1056-2125.
↑ "I-10 section to be opened on Thursday". State-Times (Baton Rouge). December 17, 1974. p. 1.
↑ Puneky, Claire (May 6, 1978). "I-10 stretch is dedicated". The Times-Picayune (New Orleans). pp. 1–2. ISSN 1055-3053.
↑ "LaPlace-Sorrento section of I-10 opened yesterday". State-Times (Baton Rouge). April 17, 1975. p. 1.
↑ "LaPlace-Kenner stretch of I-10 to open Friday". State-Times (Baton Rouge). December 14, 1971. p. 1.
↑ "New segment of I-10 is to be dedicated". The Times-Picayune (New Orleans). May 12, 1968. p. 1. ISSN 1055-3053.
↑ "2.4-mile link of I-10 slated to open Dec. 1". Morning Advocate (Baton Rouge). November 14, 1967. p. 9A. ISSN 1056-2125.
↑ "Route to ease traffic tieup". The Times-Picayune (New Orleans). March 26, 1965. p. 2-2. ISSN 1055-3053.
↑ "Pontchartrain Expressway link opens". The Times-Picayune (New Orleans). October 4, 1962. pp. 2–4. ISSN 1055-3053.
↑ "Traffic artery to open Friday". The Times-Picayune (New Orleans). February 15, 1962. p. 1. ISSN 1055-3053.
↑ "Time-saving big on expressway". The Times-Picayune (New Orleans). February 20, 1960. p. 1. ISSN 1055-3053.
↑ "Interstate 10 section in N.O. to open today". State-Times (Baton Rouge). December 8, 1972. p. 16A.
↑ "Section of I-10 opens Monday". The Times-Picayune (New Orleans). June 12, 1969. p. 1. ISSN 1055-3053.
↑ "St. Bernard Ave.-Orleans St. link of I-10 to be dedicated". The Times-Picayune (New Orleans). March 12, 1968. pp. 1–15. ISSN 1055-3053.
↑ "I-10 link of St. Bernard, Franklin Aves. complete". The Times-Picayune (New Orleans). February 23, 1968. pp. 1–5. ISSN 1055-3053.
↑ "Interstate sections completed on schedule". The Times-Picayune (New Orleans). January 30, 1966. p. 7-2. ISSN 1055-3053.
↑ "Approval given for use of span". The Times-Picayune (New Orleans). December 22, 1965. p. 1. ISSN 1055-3053.
↑ "Interstate 10 link dedicated". The Times-Picayune (New Orleans). December 9, 1966. pp. 1–2. ISSN 1055-3053.
↑ "Opening is set of I-10 portion". The Times-Picayune (New Orleans). October 17, 1972. pp. 1–16. ISSN 1055-3053.
↑ "N.O.-to-Slidell time cut as Interstate-10 opens". The Times-Picayune (New Orleans). April 25, 1967. pp. 1–12. ISSN 1055-3053.
↑ "N.O.-Slidell twin bridges, highway links dedicated". The Times-Picayune (New Orleans). December 22, 1965. p. 1. ISSN 1055-3053.
1 2 "Interstate link opening today". The Times-Picayune (New Orleans). February 16, 1971. p. 1. ISSN 1055-3053.
↑ "6 album | Andy's Category 6 (& more) Photo Gallery | Fotki.com, photo and video sharing made easy". Public.fotki.com. July 13, 2005. Retrieved September 19, 2011.
↑ Duvernay, Adam (July 6, 2009). "New Twin Spans eastbound to open July 9". The Times-Picayune (New Orleans). ISSN 1055-3053. Retrieved July 8, 2009.
↑ Kelly, John (April 6, 2010). "Old I-10 twin spans to close Wednesday". The Times-Picayune (New Orleans). ISSN 1055-3053. Retrieved April 6, 2010.
↑ "Upgraded Twin Span Open To Commuters". New Orleans: WDSU-TV. April 7, 2010. Retrieved September 19, 2011.
↑ Staff. "Traffic shifts to new bridge". Louisiana Department of Transportation and Development. Retrieved May 11, 2010.
↑ Louisiana Department of Transportation and Development press release
↑ Mouton, Doug. "Revamped Twin Spans to open several months early". wwltv.com, August 10, 2011. Retrieved August 12, 2011.
↑ E. Lane, New Orleans Times-Picayune, June 9, 2014, accessed August 17, 2014.
↑ "Interstate 10". Interstate-Guide.com. Self-published. Retrieved February 15, 2008.
↑ Eggler, Bruce (July 22, 2010). "Claiborne Avenue expressway demolition gets support in report". The Times-Picayune (New Orleans). ISSN 1055-3053. Retrieved August 15, 2012.
1 2 3 Interstate System urban routes designated in September 1955 (Map). Public Roads Roads Administration. September 1955. Retrieved August 15, 2012.
1 2 3 4 Weingroff, Richard F. (April 7, 2011). "The Second Battle of New Orleans—Vieux Carré Riverfront Expressway (I-310)". Highway History. Federal Highway Administration. Retrieved August 15, 2012.

External links

Route map: Bing / Google

Media related to Interstate 10 in Louisiana at Wikimedia Commons

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