On its western end, LA 22 once crossed the Mississippi River by ferry between Darrow and Donaldsonville and continued along what is now LA 18 to its junction with LA 1. However, the ferry service was discontinued in 1966 after the Sunshine Bridge was completed just downriver from Donaldsonville.
LA 22 once crossed the Mississippi River by ferry between Darrow and Donaldsonville on its western end, then continued along what is now LA 18 until it reached its junction with LA 1. The ferry service ceased in 1966 after the Sunshine Bridge was built nearby.