Keokuk Rail Bridge

The Keokuk Bridge, also known as the Keokuk & Hamilton Bridge, carries a double deck single track railway and highway bridge across the Mississippi River in the USA between Keokuk, Iowa and Hamilton, Illinois, just downstream of Mississippi Lock and Dam number 19. It was designed by Ralph Modjeski and constructed 1915–1916 on the piers of its predecessor that was constructed in 1869–1871.

Following the completion of the Keokuk-Hamilton Bridge, the upper deck of this bridge, on the Keokuk side, was converted to an observation deck to view the nearby lock and dam; this deck is no longer used for road traffic, but is still used for rail traffic. The bridge was originally owned by the Keokuk & Hamilton Bridge company, but following financial problems in the 1940s, the bridge was given to the City of Keokuk in late 1948.

It is documented in the Library of Congress Historic American Engineering Record as survey number IA-3.

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