All roadways, overpasses, and bridges in St. Mary Parish are now open St. Mary Parish Sheriff's Office and last updated 2021-02-17 13:11:47-05 UPDATE: ALL roadways, overpasses, and bridges in St. Mary Parish are now open, according to the Sheriff's Office. Wednesday morning, all bridges on US 90 in St. Mary Parish due to the formation of ice. The closures, according to state police, involved LA 83 (Baldwin), LA 3211 (Franklin), LA 3215(Garden City), and LA 317(Centerville). Traffic was allowed to exit and re-enter past the overpasses, state police say. Hwy 90 was also closed this morning beginning at La 83 and extending to Calumet.