Washington State just received federal funds to study a totally unique toll bridge concept, one made out of decommissioned US Navy Super Carriers. The bridge would consist of two or three carriers and would link Bremerton and Port Orchard, Washington, spanning the Sinclair Inlet.

http://foxtrotalpha.jalopnik.com/how-washington-state-could-turn-aircraft-carriers-into-1696976267

apparently they are fighting an uphill battle but what an awesome idea!