The World's Largest Bridges Spannnig San Francisco Bay

Front:
COPYRIGHTED 1936 W BLONDEL ARB Daaa 1939 THE COLDEN GATE INTERNATIONAL EXPOSITION, A PACEANT OF THE PACIFIC 1939

Back:
# 100 (For Correspondence) GOLDEN GATE INTERNATIONAL EXPOSITION—1939 The WORLD'S LARGEST BRIDGES SPANNING SAN FRANCISCO BAY oin with In 1939, San Francisco, Oakland and the Cities around the Golden Gate invite the world to join with them in celebrating the completion of the world's two largest bridges, spanning San Francisco Bay, at the Golden Gate International Exposition. On a magic man-made Exposition Isle, over a mile long and two-thirds of a mile wide, California's World's Fair will open its gates February 18, 1939, and run to December 3, of the same year. Dedicated to the giant Trans-Bay Bridges, the Expo- sition will also present "A Pageant of the Pacific'', depicting the Nations of the Pacific on spectacular parade. The San Francisco-Oakland Bay Bridge, costing $77,000,000, is the longest and largest span ever built, linking metropolitan San Francisco with the Eastbay Empire. A double-deck structure with six traffic lanes, the giant Trans-Bay Bridge is 81/4 miles long. It includes the world's largest vehicular bore, passing through mid - Bay Yerba Buena Island, and the world's largest cantilever span, on the Eastbay bridge sector. The majestic Golden Gate Bridge—costing $35,000,000, is the largest single span sus- pension bridge in the world—is the first bridge ever built across a major harbor entrance. Its 746-foot towers (191 feet higher than Washington Monument) and 4200-foot span, supported by two 361/2 inch cables (containing 80,000 miles of steel wire) create the key link in the proposed All-Pacific Coast Highway System.