George Washington Bridge is a suspension bridge located in New York and cross the Hudson River. A bridge over the Hudson River was long desired. It was the swiss engineer Othmar Ammann who suggested a bridge design in 1923 was chosen. Othmar Ammann has designed several other well-known bridges including Bayonne Bridge and Verrazzano-Narrows Bridge. Construction of the bridge began in 1927 and in 1931 the bridge was finished. The bridge is 1,450 meters long and the main span is 1,100 meters. George Washington Bridge was the largest suspension bridge until 1937. Almost twice as large as the previous record which was at 560 meters. The bridge was expanded with a level under which opened in 1962. It has 8 lanes in the upper floor and 6 downstairs.
The towers of the bridge was supposed to be covered with concrete and granite, but because of costs was this never done.