The Vincent Thomas Bridge is a 1,500-foot (460 m) long suspension bridge, opened in 1963, crossing the Los Angeles Harbor in the U.S. state of California, linking San Pedro, Los Angeles, with Terminal Island. The bridge is signed as part of State Route 47. It is named for California Assemblyman Vincent Thomas of San Pedro. It is the fourth longest suspension bridge in California. It is also the bridge with the 76th longest span in the world. The clear height of the navigation channel is approximately 185 ft. The Port of Los Angeles, also called Los Angeles Harbor and WORLDPORT L.A., is a port complex that occupies 7,500 acres (3,000 ha) of land and water along 43 mi (69 km) of waterfront. The port is located on San Pedro Bay in the San Pedro neighborhood of Los Angeles, approximately 20 mi (32 km) south of downtown. The Port of Los Angeles adjoins the separate Port of Long Beach, employs over 16,000 people, and is the busiest container port in the United States. For public safety, the Port of Los Angeles utilizes the Los Angeles Port Police to fight crime and terrorism, and the Los Angeles City Lifeguards to provide lifeguarding services for inner Cabrillo Beach and all of the Los Angeles outer harbor.