Claxton Bridge [SEP] material used
Earnest W. Strickland Memorial Bridge
The Earnest W. Strickland Memorial Bridge is a prestressed concrete bridge over the Canoochee River in rural Evans County, north-northeast of Claxton. It carries US 25/US 301/SR 73.
to cathodically protect metals that are exposed to sea water. A zinc disc attached to a ship's iron rudder will slowly corrode while the rudder stays intact. Similarly, a zinc plug attached to a propeller or the metal protective guard for the keel of the ship provides temporary protection.
With a standard electrode potential (SEP) of −0.76 volts, zinc is used as an anode material for batteries. (More reactive lithium (SEP −3.04 V) is used for anodes in lithium batteries ). Powdered zinc is used in