The bridge, which would have entered Manhattan at 57th Street, was rejected in favor of Ammann's designs primarily due to cost reasons.)

Due to his reputation, he was chosen as one of three engineers tasked with investigating the 1940 collapse of the Tacoma Narrows bridge.

Ammann also assisted in the building of the Golden Gate Bridge in San Francisco, currently ranked twelfth.

He believed that the weight per foot of the span and the cables would provide enough stiffness so that the bridge would not need any stiffening trusses.

Famous bridges by Ammann include the following: The George Washington Bridge was originally designed to have its steel structure clad in dressed stone, omitted from the final design due to cost constraints stemming from the Great Depression.

[6][7][8][9] In 1962, a bronze bust of Ammann was unveiled in the lobby of the George Washington Bridge Bus Station.

[1][10] A residence hall called Ammann College was dedicated in his honor on February 18, 1968 on the campus of Stony Brook University.

[11] To mark the hundredth anniversary of his birth, a memorial plaque for Ammann was placed near the Verrazzano Narrows Bridge on June 28, 1979.