History

Planning for the Bronx–Whitestone Bridge was driven by Robert Moses, the New York parks commissioner and master builder who envisioned a network of parkways linking the outer boroughs. The bridge was conceived as the final link in a route connecting the Hutchinson River Parkway in the Bronx to the Whitestone Expressway in Queens, enabling a new approach to the 1939 World’s Fair grounds at Flushing Meadows-Corona Park. Ammann was the logical choice as engineer: he had already delivered the George Washington Bridge (1931) and the Bayonne Bridge (1931), and his reputation for blending structural efficiency with architectural elegance was unmatched.

The bridge opened on 29 April 1939 — two days before the World’s Fair itself — and became an immediate sensation. The engineering press praised its visual refinement: unlike most suspension bridges of the era, the original Whitestone used a relatively shallow plate-girder deck rather than deep through-trusses, which kept the silhouette exceptionally clean. This choice, however, proved consequential: the catastrophic collapse of the Tacoma Narrows Bridge in November 1940 — attributed in part to similar aerodynamic instability — prompted the Port Authority to add stiffening trusses to the Whitestone deck as a precaution. Those trusses were themselves replaced in the early 2000s with a composite box girder system that restored much of the original sleek profile.

The towers, with their Art Deco limestone cladding and streamlined verticality, have stood unchanged throughout these deck modifications. The bridge was subsequently designated a New York City Landmark.