Infrastructure North Collection

Union Pacific
Steam locomotives on Devils Gate Bridge during construction of the Union Pacific Railroad, one of the two railroads forming the USAs first transcontinental line (linked at Utah in 1869)

Williamsburgh Bridge
March 1937: Williamsburgh Bridge, opened 19 December 1903, which connects Manhattan with Brooklyn in New York City. (Photo by Topical Press Agency/Getty Images)

Manhattan Bridge
1909: Manhattan Bridge spanning the East River between the boroughs of Manhattan and Brooklyn in New York City, opened 31 December 1909. (Photo by Topical Press Agency/Getty Images)

Bassans Dam
circa 1917: A view of Bassans Dam in Canada. (Photo by Hulton Archive/Getty Images)

A Viaduct Crossing
Lethbridge Viaduct, Alberta, a single-track rail bridge across metal supports. (Photo by Hulton Archive/Getty Images)

Brooklyn Bridge in New York City. (Photo by Hulton Archive/Getty Images)

New York Train
A steam locomotive pushes carriages along an elevated section, Coenties Slip, of the New York railway system. (Photo by Hulton Archive/Getty Images)

Williamsburg Bridge
circa 1903: View of the Williamsburg Bridge from the Manhattan side, shortly after its completion, New York City. Brooklyn is visible in the background

circa 1908: View of the Manhattan Bridge, which connects western Brooklyn and southeastern Manhattan, during its construction, New York City. Workers are laying down suspension cables

Leaving Manhattan
circa 1925: Traffic, a train, and pedestrians crossing on the Manhattan Bridge, with Brooklyn in the background, New York City. (Photo by Edwin Levick/Hulton Archive/Getty Images)

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