The Deutz Suspension Bridge (german: Deutzer Hängebrücke) was a

self-anchored suspension bridge A self-anchored suspension bridge is a suspension bridge type in which the main cables attach to the ends of the deck, rather than directly to the ground or via large anchorages. The design is well-suited for construction atop elevated piers, or ...

using

eyebar In structural engineering and construction, an eyebar is a straight bar, usually of metal, with a hole ("eye") at each end for fixing to other components. Eyebars are used in structures such as bridges, in settings in which only tension, and ne ...

chains, located across the

Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , so ...

at Deutz in

Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western States of Germany, state of North Rhine-Westphalia (NRW) and the List of cities in Germany by population, fourth-most populous city of Germany with 1.1 m ...

, Germany. It was built from 1913 to 1915. In 1935, it was named Hindenburg Bridge after Germany's second President died the previous year. It collapsed on 28 February 1945 during repair works and was replaced in 1948 by the world's first steel

box girder bridge A box girder bridge, or box section bridge, is a bridge in which the main beams comprise girders in the shape of a hollow box. The box girder normally comprises prestressed concrete, structural steel, or a composite of steel and reinf ...

Fritz Leonhardt Fritz Leonhardt (12 July 1909 – 30 December 1999) was a German structural engineer who made major contributions to 20th-century bridge engineering, especially in the development of cable-stayed bridges. His book ''Bridges: Aesthetics and Design ...

and Gerd Lohmer. H. D. Robinson, who later worked with

David B. Steinman David Barnard Steinman (June 11, 1886 – August 21, 1960) was an American civil engineer. He was the designer of the Mackinac Bridge and many other notable bridges, and a published author. He grew up in New York City's lower Manhattan, and ...

on the Florianopolis Bridge, another

chain bridge, consulted on the towers for the design of this Cologne bridge. It reportedly later served as inspiration for American bridge engineers and was specifically cited as a design influence on the Three Sisters bridges in

Pittsburgh, Pennsylvania Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...

as well as for the Kiyosu Bridge on the

Sumida River The is a river that flows through central Tokyo, Japan. It branches from the Arakawa River at Iwabuchi (in Kita-ku) and flows into Tokyo Bay. Its tributaries include the Kanda and Shakujii rivers. It passes through the Kita, Adachi, Arakaw ...

in Tokyo.

Statistics

*span lengths 92 m – 185 m – 92 m *deck width 18.7 m / 27.50 m

External links

*
Deutzer
entry at "Bridges of Koeln"
HAER report
on Three Sisters mentions H. D. Robinson involvement in the tower design of this bridge. Suspension bridges in Germany Self-anchored suspension bridges Bridges completed in 1915 Chain bridges Buildings and structures in Cologne {{Germany-bridge-struct-stub