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The simplest beam bridge could be a log (see log bridge), a wood plank, or a stone slab (see clapper bridge) laid across a stream. Bridges designed for modern infrastructure will usually be constructed of steel or reinforced concrete , or a combination of both.
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 reinforced concrete .
Through arch bridge: Beam bridge (Integral beam bridge) [1] Log bridge (beam bridge) Viaduct: Cavity wall viaduct Bowstring arch: Box girder bridge: Cable-stayed bridge: 1,104 m (Russky Bridge, Vladivostok, Primorsky Krai, Russian Far East) 10,100 m (Jiashao Bridge, Zhejiang, China) Cable-stayed suspension bridge hybrid Cable-stayed bridge and ...
It was the first major prestressed concrete beam bridge designed and built in the United States when completed. The form of the bridge was simple, and it looked similar to many highway bridges carrying traffic on US highways today. The bridge deck was supported by thirteen concrete girders, each spanning 160 feet (49 m).
Girder bridges have existed for millennia in a variety of forms depending on resources available. The oldest types of bridges are the beam, arch and swing bridges, and they are still built today. These types of bridges have been built by human beings since ancient times, with the initial design being much simpler than what we utilize today.
A segmental bridge is a bridge built in short sections (called segments), i.e., one piece at a time, as opposed to traditional methods that build a bridge in very large sections. The bridge is made of concrete that is either cast-in-place (constructed fully in its final location) or precast concrete (built at another location and then ...
The longest steel reinforced bridge, in 2024, is the 600 metres (2,000 ft) Tian'e Longtan Bridge, Guangxi Zhuang, China. [8] The US's longest unreinforced concrete span, is the 200 feet (61 m) arch of the, 1910, Rocky River Bridge in Cleveland, Ohio. [9] Early extant examples include:
Box girder bridges, made from steel, concrete, or both, are also beam bridges. Beam bridge spans rarely exceed 250 feet (76 m) long, as the flexural stresses increase proportionally to the square of the length (and deflection increases proportionally to the 4th power of the length). [28]