List of state highways in Louisiana (100–149)

The following is a list of state highways in the U.S. state of Louisiana designated in the 100–149 range.

Louisiana Highway 100
Louisiana Highway 100 (LA 100) runs 14.83 mi in an east–west direction from LA 97 in Evangeline to LA 13 in Crowley, Acadia Parish.

Louisiana Highway 101
Louisiana Highway 101 (LA 101) runs 17.28 mi in a general north–south direction from LA 14 in Hayes, Calcasieu Parish to LA 383 north of Iowa in Jefferson Davis Parish.

Louisiana Highway 102
Louisiana Highway 102 (LA 102) runs 35.37 mi in a northwest to southeast direction from US 165 in Fenton to LA 26 north of Lake Arthur, Jefferson Davis Parish.

Louisiana Highway 103
Louisiana Highway 103 (LA 103) runs 39.39 mi in a wide semi-circle around the north side of Opelousas, extending from US 190 west of Lawtell to LA 31 in Leonville, St. Landry Parish.

Louisiana Highway 104
Louisiana Highway 104 (LA 104) runs 41.37 mi in an east–west direction from LA 26 southeast of Oberlin, Allen Parish to US 190 in Opelousas, St. Landry Parish.

Louisiana Highway 105
Louisiana Highway 105 (LA 105) runs 38.58 mi in a north–south direction from a local road south of Krotz Springs, St. Landry Parish to a junction with LA 1 in Simmesport, Avoyelles Parish.

The route heads north along the west bank levee of the Atchafalaya River into Krotz Springs, where it crosses the Union Pacific Railroad (UP) line at Main Street. LA 105 then passes underneath the twin spans of the US 190 Atchafalaya River bridge between Baton Rouge and Opelousas. LA 105 proceeds north along the river for 10.9 mi to the town of Melville, where it makes a zigzag via LA 10 (LaFleur Street) next to the defunct Melville Ferry landing. Continuing north from Melville, LA 105 passes through Bayou Current and intersects LA 360. It then crosses from St. Landry Parish into Avoyelles Parish and continues 10.4 mi further to its terminus at LA 1 at the foot of the Atchafalaya River bridge in Simmesport.

Louisiana Highway 106
Louisiana Highway 106 (LA 106) runs 24.20 mi in an east–west direction from LA 10 east of Oakdale in Evangeline Parish to LA 29 south of Bunkie, Avoyelles Parish.

Louisiana Highway 107
Louisiana Highway 107 (LA 107) runs 64.96 mi in a north–south direction from US 71 in Morrow, St. Landry Parish to the concurrent US 167/LA 28 in Pineville, Rapides Parish.

Louisiana Highway 108
Louisiana Highway 108 (LA 108) runs 24.87 mi in a general east–west direction from I-10 in Vinton to US 90 in Sulphur, Calcasieu Parish.

Louisiana Highway 109
Louisiana Highway 109 (LA 109) runs 39.93 mi in a north–south direction from the junction of US 90 and LA 3112 southwest of Vinton, Calcasieu Parish to LA 27 at Juanita, Beauregard Parish.

Louisiana Highway 110
Louisiana Highway 110 (LA 110) runs 25.15 mi in a northwest to southeast direction from US 190 in Merryville to the concurrent US 171/US 190 in Longville, Beauregard Parish.

LA 110 initially heads from US 190 and travels through the town of Merryville. After passing the local high school, the route turns to the southeast and travels 9.6 mi to a junction with LA 27 at Singer. Here, LA 110 turns south onto LA 27 for a short distance before resuming its southeastward course. Over the next few miles, the highway curves east and south along rural section line roads before heading due east for 6.8 mi. LA 110 curves slightly along the south of Longville Lake before reaching its eastern terminus at US 171/US 190 in Longville.

Louisiana Highway 111
Louisiana Highway 111 (LA 111) runs 45.72 mi in a general north–south direction from US 190 in Junction, Beauregard Parish to LA 117 northeast of Leesville, Vernon Parish.

Louisiana Highway 112
Louisiana Highway 112 (LA 112) runs 80.90 mi in a general east–west direction from the concurrent US 171/US 190 east of DeRidder, Beauregard Parish to the concurrent US 71/US 167 in Lecompte, Rapides Parish.

Louisiana Highway 113
Louisiana Highway 113 (LA 113) runs 54.49 mi in a southwest to northeast direction from US 190 in Reeves, Allen Parish to the junction of US 165 and LA 497 in Glenmora, Rapides Parish.

The route heads north from US 190 and crosses from Allen Parish into Beauregard Parish after 5.5 mi. At Dry Creek, a junction with LA 394 provides access to the recreational area around Bundick Lake. LA 113 then intersects LA 26, connecting with DeRidder and Oberlin. Soon after crossing LA 112 at Sugartown, LA 113 bends to the northeast and enters Vernon Parish. Reaching the community of Pitkin, LA 113 turns east to follow LA 10 briefly before branching off into Rapides Parish. At Union Hill, the highway crosses LA 112 once again and proceeds eastward through the southern edge of the Kisatchie National Forest. Near the end of its route, LA 113 zigzags to the south and east into the town of Glenmora, terminating at US 165 between Oakdale and Alexandria.

Louisiana Highway 114
Louisiana Highway 114 (LA 114) runs 20.86 mi from LA 1 in Echo to LA 1/LA 451 east of Moreauville. LA 114 was portions of SR 30, SR 72 and SR 299 before 1955.

Louisiana Highway 115
Louisiana Highway 115 (LA 115) runs 60.70 mi in a general north–south direction from LA 106 west of St. Landry, Evangeline Parish to LA 28 north of Deville, Rapides Parish.

Louisiana Highway 116
Louisiana Highway 116 (LA 116) runs 8.39 mi from US 165 in Pineville to LA 28 east of Pineville.

Louisiana Highway 117
Louisiana Highway 117 (LA 117) runs 41.52 mi in a north–south direction from a junction with LA 8, LA 28 and LA 1213 in Leesville, Vernon Parish to LA 6 east of Robeline, Natchitoches Parish.

Louisiana Highway 118
Louisiana Highway 118 (LA 118) runs 26.89 mi in an east–west direction from US 171 in Florien, Sabine Parish to a point east of Kisatchie, Natchitoches Parish.

Louisiana Highway 119
Louisiana Highway 119 (LA 119) runs 28.64 mi in a north–south direction from LA 8 at Flatwoods, Rapides Parish to LA 1 in Natchez, Natchitoches Parish.

Louisiana Highway 120
Louisiana Highway 120 (LA 120) exists in two sections, running a total of 36.24 mi in an east–west direction. The western section extends from US 171 in Zwolle, Sabine Parish to a point just south of Robeline, Natchitoches Parish. The eastern section extends from LA 117 in Provencal to a junction with LA 1 and LA 494 south of Natchez, Natchitoches Parish.

Louisiana Highway 121
Louisiana Highway 121 (LA 121) runs 46.83 mi in a general southwest to northeast direction from LA 8 at Slagle, Vernon Parish to LA 1 west of Boyce, Rapides Parish.

Louisiana Highway 122
Louisiana Highway 122 (LA 122) runs 26.09 mi from US 71/LA 1239-1 in Montgomery to LA 123 in Dry Prong.

Louisiana Highway 123
Louisiana Highway 123 (LA 123) runs 15.97 mi from LA 8 east of Colfax to US 165 east of Breezy Hill.

Louisiana Highway 124
Louisiana Highway 124 (LA 124) runs 91.94 mi in a general northwest to southeast direction from US 84 east of Winnfield, Winn Parish to LA 3102 at Argo, Catahoula Parish.

Louisiana Highway 125
Louisiana Highway 125 (LA 125) runs 12.49 mi from US 165 in Tullos to US 165 northeast of Olla.

Louisiana Highway 126
Louisiana Highway 126 (LA 126) runs 97.87 mi in a general east–west direction from LA 9 in Reidhimer, Natchitoches Parish to LA 124 north of Jonesville, Catahoula Parish.

Louisiana Highway 127
Louisiana Highway 127 (LA 127) runs 54.68 mi in a north–south direction from a point east of Kitterlin Bay in La Salle Parish to LA 126 east of Sikes, Winn Parish.

Louisiana Highway 128
Louisiana Highway 128 (LA 128) runs 42.08 mi in an east–west direction from LA 4 east of Fort Necessity, Franklin Parish to a junction with LA 605 and LA 897-4 in St. Joseph, Tensas Parish.

The route heads east from LA 4 and intersects the concurrent US 425 and LA 15 in Gilbert. LA 128 turns north to follow US 425/LA 15 briefly before splitting to the northeast toward Como. Here, it intersects LA 4 once again and runs concurrent with that highway east across the Tensas River, where it crosses from Franklin Parish into Tensas Parish. Shortly afterward, LA 128 separates from LA 4 and heads southeast to a point known as Avondale. LA 128 makes a zigzag via US 65 then proceeds south to its terminus in St. Joseph.

Louisiana Highway 129
Louisiana Highway 129 (LA 129) runs 32.51 mi in a north–south direction from a point on the Red River south of Acme to US 84 west of Ferriday, Concordia Parish.

Louisiana Highway 130
Louisiana Highway 130 (LA 130) runs 7.34 mi from LA 135 north of Liddieville to US 425/LA 4/LA 15/LA 17 in Winnsboro.

Louisiana Highway 131
Louisiana Highway 131 (LA 131) runs 6.79 mi from LA 15 at St. Genevieve to US 84/US 425 in Vidalia.

Louisiana Highway 132
Louisiana Highway 132 (LA 132) runs 32.91 mi in an east–west direction from LA 133 north of Buckner, Richland Parish to LA 17 north of Bakers, Franklin Parish.

Louisiana Highway 133
Louisiana Highway 133 (LA 133) runs 45.46 mi in a north–south direction from LA 4 northeast of Columbia, Caldwell Parish to US 425 south of Oak Ridge, Morehouse Parish. Until 2005, LA 133 continued north to Mer Rouge.

Louisiana Highway 134
Louisiana Highway 134 (LA 134) runs 65.68 mi in an east–west direction from US 165 south of Sterlington, Ouachita Parish to US 65 just outside Lake Providence, East Carroll Parish.

Louisiana Highway 135
Louisiana Highway 135 (LA 135) runs 34.22 mi in a north–south direction from LA 4 in Fort Necessity, Franklin Parish to US 425 south of Rayville, Richland Parish.

Louisiana Highway 136
Louisiana Highway 136 (LA 136) runs 3.49 mi from LA 134 in Fairbanks to US 165/LA 2 in Sterlington.

Louisiana Highway 137
Louisiana Highway 137 (LA 137) was a state highway in Louisiana that serves Richland Parish and Morehouse Parish. It spanned 18.08 mi in a south to north direction.

LA 137 was redesignated as US 425 when it was extended through Louisiana to Mississippi.

Louisiana Highway 138
Louisiana Highway 138 (LA 138) runs 12.75 mi from LA 134 south of Collinston to US 165/US 425/LA 2 in Mer Rouge.

Louisiana Highway 139
Louisiana Highway 139 (LA 139) runs 20.21 mi from US 80 in Monroe to US 165/US 425/LA 2/LA 593 in Bastrop.

Louisiana Highway 140
Louisiana Highway 140 (LA 140) runs 14.77 mi from US 425 in Log Cabin to US 165/LA 599 in Bonita.

Louisiana Highway 141
Louisiana Highway 141 (LA 141) runs 4.07 mi from LA 75 in St. Gabriel to LA 75 in St. Gabriel.

Louisiana Highway 142
Louisiana Highway 142 (LA 142) runs 8.76 mi from US 425 north of Bastrop to AR 133 at Arkansas state line northwest of Beekman.

Louisiana Highway 143
Louisiana Highway 143 (LA 143) runs 39.94 mi in a north–south direction from LA 34 in West Monroe, Ouachita Parish to LA 33 in Marion, Union Parish.

Louisiana Highway 144
Louisiana Highway 144 (LA 144) runs 9.97 mi in a north–south direction from LA 34 in Eros, Jackson Parish to LA 151 at Calhoun, Ouachita Parish.

Louisiana Highway 145
Louisiana Highway 145 (LA 145) runs 17.88 mi in a north–south direction from LA 146 southeast of Ruston in Jackson Parish to LA 15 northeast of Downsville, Union Parish.

Louisiana Highway 146
Louisiana Highway 146 (LA 146) runs 56.60 mi in a northwest to southeast direction from the concurrent US 79 and LA 9 in Homer, Claiborne Parish to LA 4 in Chatham, Jackson Parish.

Louisiana Highway 147
Louisiana Highway 147 (LA 147) runs 39.76 mi in a southeast to northwest direction from LA 34 just north of the Jackson Parish–Winn Parish line to LA 9 in Arcadia, Bienville Parish.

Louisiana Highway 148
Louisiana Highway 148 (LA 148) exists in two sections, running a total of 15.65 mi in an east–west direction. The western section extends from a junction with US 167 and LA 818 at Clay to LA 146 at Vernon, Jackson Parish. The eastern section extends from a point southwest of Eros, Jackson Parish, to the Ouachita Parish line.

Louisiana Highway 149
Louisiana Highway 149 (LA 149) runs 2.74 mi in a north–south direction along R.W.E. Jones Drive in Grambling, Lincoln Parish. It serves as the principal north–south thoroughfare through the town and connects Grambling State University to both I-20 and the parallel US 80.

The route begins at US 80 near the southern limit of Grambling, an area known as Grambling Corners. LA 149 heads north as an undivided two-lane highway through a rural residential area. After a short distance, the highway widens to four lanes as it begins to pass through the middle of the Grambling State University campus. At College Avenue, LA 149 exits the campus and becomes a two-lane highway once again. It then crosses the Kansas City Southern Railway (KCS) tracks via an overpass and intersects LA 150 (West Martin Luther King Jr. Avenue). LA 149 then curves to the northeast and passes through an interchange with I-20 at Exit 81, leading toward Monroe and Shreveport. State maintenance ends immediately afterward at an intersection with Parish Road 333 (North Pinetree Road), and R.W.E. Jones Drive proceeds northward as a local road.

In the pre-1955 state highway system, LA 149 was part of State Route C-1792. LA 149 was created in the 1955 Louisiana Highway renumbering, largely following a parallel alignment along Main Street. It was also extended north from its original terminus at LA 150 during the early 1960s when I-20 was constructed through the area.