Galvanized rebar, also known as hot-dipped galvanized or zinc coated rebar, is used as an alternative to epoxy coated rebar for applications which are subject to corrosion and saltwater. It can be widely used in bridges and thruways. etc. For example:(as shown in the left picture)

Longbird Bridge in Bermuda, completed in 1953, is the first known installations for using galvanized rebars to reinforce the bridge in the applications of highly corrosive environments.