The Triborough Bridge, designed by the renowned urban planner Robert Moses, officially opened to traffic, linking the boroughs of Manhattan, the Bronx, and Queens in New York City. This monumental bridge, initiated in the 1920s, faced several challenges and delays before its completion in 1936. Its design was notable not only for its engineering excellence but also for its aesthetic appeal, showcasing the Art Deco style prominent in the architecture of that time. The bridge spans the Harlem River, the Bronx Kill, and the East River, making it a vital connector across the city’s complex geography.

Construction involved a variety of innovative techniques, including the use of cantilevered sections, which allowed for a mix of vehicle and pedestrian traffic. It was viewed as a modern marvel of engineering during its time, attracting considerable attention and leading celebrations upon its completion. The opening ceremony reflected the era's optimism and was attended by various dignitaries including Robert Moses himself, who played an instrumental role in making the project a reality.

The bridge significantly eased transportation between the boroughs, overcoming the limitations of ferry services that had previously existed. This facilitated not only daily commutes for workers but also the movement of goods, contributing to the economic vitality of New York City. The bridge became a central artery for vehicular traffic, influencing urban development patterns and encouraging further infrastructure projects in the decades to follow.