George Washington Bridge, vehicular suspension bridge across the Hudson R., bet. Manhattan borough of N.Y. city and Fort Lee, N.J.; 40°51'N 73°57'W. Constructed 19271931. It is one of the longest suspension bridges in the world. Its main span is 3,500 ft/1,067 m long and 250 ft/76 m above the water. Cass Gilbert was the consulting architect, and O. H. Ammann was in general charge of the planning and construction. In 1962 a lower deck of 6 lanes was completed.