Louisiana State Route 7 the Morganza Spillway in the same way that LA 1 was split in half with the opening of the Bonnet Carre Spillway. LA 7 followed the railroad to Livonia, where it met LA 1 and the two were paired to Port Allen. After crossing the Mississippi River in Port Allen, LA 1 turned to the south in Baton Rouge, while LA 7 picked up US 61 and US 190. US 61 split from LA 7 at a traffic circle, with LA 7 carrying US 190 through the Florida Parishes. US 190 was split from LA 7 in Hammond, where LA
156th New York Volunteer Infantry to Baton Rouge, then to Donaldsonville, July 11-15, and duty there until August 15. At Baton Rouge until March 1864. Red River Campaign March 23-May 22. At Alexandria March 25-April 12. Cane River April 23-24. Construction of dam at Alexandria April 30-May 10. Actions at Alexandria May 2 and 9. Retreat to Morganza May 13-20. Mansura May 16. At Morganza until July. Expedition from Morganza to the Atchafalaya May 30-June 5. Atchafalaya River June 1. Moved to Fort Monroe, Va., then to Washington, D.C., July 5-29. Sheridan's Shenandoah Valley Campaign August 5-November 28. Third Battle of Winchester September 19. Fisher's