The bridge is built of fabricated steel, and is painted with an orange color that protects the Bridge's steel components from rust and corrosion caused by the high salt content in the air from the Pacific Ocean. <ref> http://goldengatebridge.org/ </ref> The construction of the bridge took four years to complete (Jan 1933 - May 1937) at a cost of $35 million dollars. <ref> http://www.inetours.com/Pages/SFNbrhds/Golden_Gate_Bridge.html </ref> | The bridge is built of fabricated steel, and is painted with an orange color that protects the Bridge's steel components from rust and corrosion caused by the high salt content in the air from the Pacific Ocean. <ref> http://goldengatebridge.org/ </ref> The construction of the bridge took four years to complete (Jan 1933 - May 1937) at a cost of $35 million dollars. <ref> http://www.inetours.com/Pages/SFNbrhds/Golden_Gate_Bridge.html </ref> |