Interstate 10 in Louisiana

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Interstate 10

Length:

274.42^[1] mi (441.64 km)

Formed:

1939 (planned); 1957 (numbered);
ca. 1977 (completed)

West end:

I-10 near Orange, TX

Major
junctions:

I-49 in Lafayette

I-12 in Baton Rouge

I-55 near LaPlace

I-12/I-59 near Slidell

East end:

I-10 near Waveland, MS

Highways in Louisiana
< LA 9		LA 10 >

Interstate 10, a major transcontinental Interstate Highway in the Southern U.S., runs across the south 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. Highway 90 corridor. The Atchafalaya Swamp Freeway, a continuously-elevated 18.2-mile (nearly 30 km) stretch across the Atchafalaya Swamp between Lafayette and Baton Rouge, cuts east-northeast from the US 90 corridor to U.S. Highway 190. US 190 heads east from Baton Rouge alongside Interstate 12, while I-10 parallels U.S. Highway 61 (Airline Highway) from Baton Rouge to New Orleans and a combination of U.S. Highway 90, U.S. Highway 11 and US 190 from New Orleans past Slidell into Mississippi.

Major bridges on I-10 in Louisiana include the Sabine River bridge (ca. 1952), Calcasieu River Bridge (1952), Atchafalaya Swamp Freeway (1973), Horace Wilkinson Bridge over the Mississippi River (1968), Bonnet Carre Spillway bridge (ca. 1972), Industrial Canal bridge (ca. 1960), the Twin Spans (ca. 1963), and Pearl River bridge (ca. 1970).

1 Major cities
2 Auxiliary routes
3 History
4 Exit list
5 See also
6 References

[edit] Major cities

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

[edit] Auxiliary routes

Interstate 110 is a spur north into downtown Baton Rouge. 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.^[4]
The first Interstate 410 was a northern bypass of Baton Rouge along the Airline Highway (U.S. Highway 61/190). It was added in September 1955^[3] 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.^[4]
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.^[4]
Interstate 610 is a cutoff for through traffic north of downtown New Orleans. It was added in September 1955.^[3]
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.

[edit] History

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. Highway 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. Highway 190 and U.S. Highway 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 the Airline Highway (U.S. Highway 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.

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

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. Highway 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]

[edit] Exit list

#	Destinations	Notes
1	Sabine River Turnaround	westbound exit and eastbound entrance
4	U.S. Highway 90 east to Louisiana Highway 109 - Toomey; Starks	US 90 joins westbound and leaves eastbound
7	Louisiana Highway 3063 - Vinton
8	Louisiana Highway 108 - Vinton
20	Louisiana Highway 27 Business - Sulphur; Cameron
21	Louisiana Highway 27 - DeQuincy
23	Louisiana Highway 108 - Industries; Sulphur
25	Interstate 210 east - Lake Charles Loop
26	U.S. Highway 90 west - Columbia Southern Road	US 90 joins eastbound and leaves westbound
27	Louisiana Highway 378 - Westlake
29	Louisiana Highway 385 - Business District; Tourist Bureau	eastbound exit and westbound entrance
30A	to Louisiana Highway 385; North Lakeshore Drive	westbound exit and eastbound entrance
30B	Ryan Street - Business District	westbound exit and eastbound entrance
31A	U.S. Highway 90 Business - Enterprise Boulevard
31B	Shattuck Street	westbound exit and eastbound entrance
31B	U.S. Highway 90 east to Louisiana Highway 14	eastbound exit and westbound entrance; US 90 joins westbound and leaves eastbound
32	Opelousas Street
33	U.S. Highway 171 north - De Ridder	eastbound exit and westbound entrance
33	U.S. Highway 171 to Louisiana Highway 14 - De Ridder	westbound exit and eastbound entrance
34	Interstate 210 west - Lake Charles Loop
36	Louisiana Highway 397 - Creole; Cameron
43	Louisiana Highway 383 - Iowa
44	U.S. Highway 165 - Alexandria
48	Louisiana Highway 101 - Lacassine
54	Louisiana Highway 99 - Welsh
59	Louisiana Highway 395 - Roanoke
64	Louisiana Highway 26 - Elton; Jennings
65	Louisiana Highway 97 - Evangeline; Jennings
72	Egan
76	Louisiana Highway 91 - Iota; Estherwood
80	Louisiana Highway 13 - Eunice; Crowley
82	Louisiana Highway 1111 - East Crowley
87	Louisiana Highway 35 - Church Point; Rayne
92	Louisiana Highway 95 - Mire; Duson
97	Louisiana Highway 93 - Cankton; Scott
100	Ambassador Caffery Parkway (Louisiana Highway 3184)
101	Louisiana Highway 182 - Lafayette; Carencro
103A	U.S. Highway 167 south to U.S. Highway 90 - Lafayette
103B	Interstate 49 north; U.S. Highway 167 north - Opelousas
104	Louisiana Avenue; Johnston Street
109	Louisiana Highway 328 - Breaux Bridge
115	Louisiana Highway 347 - Cecilia; Henderson	the Atchafalaya Swamp Freeway begins east of here
121	Butte La Rose (Louisiana Highway 3177)	along the Atchafalaya Swamp Freeway
127	Louisiana Highway 975 - Whiskey Bay	along the Atchafalaya Swamp Freeway
135	Louisiana Highway 3000 - Ramah; Maringouin	the Atchafalaya Swamp Freeway ends here
139	Louisiana Highway 77 - Rosedale; Grosse Tete
151	Louisiana Highway 415 to U.S. Highway 190 - Lobdell
153	Louisiana Highway 1 - Port Allen; Plaquemine
155A	Louisiana Highway 30 - Louisiana State University; Nicholson Road; Highland Road	eastbound exit and westbound entrance
155B	Interstate 110 north - Business District; Metropolitan Airport
156C	Louise Street	westbound exit and eastbound entrance
156A	Washington Street	eastbound exit and westbound entrance
156B	Dalrymple Drive - Louisiana State University	no eastbound entrance
157A	Perkins Road	eastbound exit and westbound entrance
157B	Acadian Thruway - Louisiana State University (Louisiana Highway 427)
158	College Drive
159	Interstate 12 east - Hammond
160	Louisiana Highway 3064 - Essen Lane
162	Bluebonnet Road (Louisiana Highway 1248)
163	Siegen Lane (Louisiana Highway 3246)
166	Louisiana Highway 42; Louisiana Highway 427 - Highland Road; Perkins Road
173	Louisiana Highway 73 - Prairieville; Geismar
177	Louisiana Highway 30 - Gonzales; St. Gabriel
179	Louisiana Highway 44 - Gonzales; Burnside
182	Louisiana Highway 22 - Sorrento; Donaldsonville
187	U.S. Highway 61 south - Gramercy (Airline Highway)	eastbound exit and westbound entrance
187	U.S. Highway 61 north - Sorrento (Airline Highway)	westbound exit and eastbound entrance
194	Louisiana Highway 641 south - Gramercy
206	Louisiana Highway 3188 south - LaPlace
209	U.S. Highway 51 to Interstate 55 north - Hammond; LaPlace
210	Interstate 55 north - Hammond	westbound exit and eastbound entrance
220	Interstate 310 south - Boutte; Houma
221	Loyola Drive
223A-B	Louisiana Highway 49 - Williams Boulevard; 32nd Street; New Orleans International Airport	split into 223A and 223B westbound
224	Power Boulevard	westbound exit and eastbound entrance
225	Veterans Boulevard
226	Clearview Parkway - Huey P. Long Bridge
228	Causeway Boulevard - Mandeville
229	Bonnabel Boulevard
230	Interstate 610 east - Slidell	no westbound exit
231B	Florida Boulevard; West End Boulevard (Louisiana Highway 3019)	eastbound exit is combined with exit 230
231A	Metairie Road; City Park Avenue (Louisiana Highway 611-9)
232	U.S. Highway 61 - Airline Highway; Carrollton Avenue; Tulane Avenue
234A	U.S. Highway 90; U.S. Highway 90 Business - Superdome; Claiborne Avenue; Westbank	exit 234C westbound
234B	Poydras Street - Superdome	eastbound exit and westbound entrance
235B	Canal Street - Superdome	westbound exit; eastbound entrance from northbound Tulane Avenue
235A	Orleans Avenue - Vieux Carre
236A	Esplanade Avenue	eastbound exit and westbound entrance
236B	Louisiana Highway 39 - North Claiborne Avenue	eastbound exit and westbound entrance
236C	St. Bernard Avenue	westbound exit and eastbound entrance
237	Elysian Fields Avenue (Louisiana Highway 3021)
238B	Interstate 610 west - New Orleans International Airport; Baton Rouge	westbound exit and eastbound entrance
238A	Franklin Avenue	westbound exit and eastbound entrance
239	Louisa Street; Almonaster Boulevard	split into 239A Louisa St. North/Almonaster Blvd. East and 239B Louisa St. South/Almonaster Blvd. West eastbound
240A	Downman Road	eastbound exit and westbound entrance
240B	U.S. Highway 90 east - Chef Highway
241	Morrison Road (former Louisiana Highway 3021)
242	Crowder Boulevard
244	Read Boulevard
245	Bullard Avenue
246A-B	Interstate 510 south; Lousiana Highway 47 - Chalmette; Little Woods	split into 246A Chalmette and 246B Little Woods eastbound
248	Michoud Boulevard
251	Bayou Sauvage National Wildlife Refuge
254	U.S. Highway 11 - Irish Bayou; North Shore
261	Oak Harbor Boulevard - Eden Isles
263	Louisiana Highway 433 - Slidell
266	U.S. Highway 190 - Gause Boulevard; Slidell
267A	Interstate 59 north - Hattiesburg, MS
267B	Interstate 12 west - Hammond; Baton Rouge