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Louisiana Highway 819 (LA 819) is a collection of five state-maintained streets located in the Lincoln Parish village of Choudrant that have a total length of 0.58 miles (0.93 km). All five routes were established in the 1955 Louisiana Highway renumbering and are presently unsigned.
Louisiana Highway 819-1 (LA 819-1) runs 0.27 miles (0.43 km) in a north–south direction along Oak Street from LA 819-5 (North Depot Street) to a dead end north of US 80. It is an undivided two-lane highway for its entire length.
Louisiana Highway 819-2 (LA 819-2) runs 0.11 miles (0.18 km) in a north–south direction along Pecan Street from LA 819-3 (Green Street) to US 80. The route travels alongside Choudrant High School and is an undivided two-lane highway for its entire length.
Louisiana Highway 819-3 (LA 819-3) runs 0.06 miles (0.097 km) in an east–west direction along Green Street from LA 819-2 (Pecan Street) to LA 819-1 (Oak Street). It is an undivided two-lane highway for its entire length.
Louisiana Highway 819-4 (LA 819-4) runs 0.07 miles (0.11 km) in an east–west direction along Allen Street from LA 819-1 (Oak Street) to LA 145 (Elm Street). It is an undivided two-lane highway for its entire length.
Louisiana Highway 819-5 (LA 819-5) runs 0.07 miles (0.11 km) in an east–west direction along North Depot Street from LA 819-1 (Oak Street) to LA 145 (Elm Street). It is an undivided two-lane highway for its entire length.