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Truss arch bridge
New River Gorge Bridge, in Fayetteville, West Virginia
Ancestor
Truss bridge, arch bridge
Related
None
Descendant
Through arch bridge
Carries
Pedestrians, vehicles, light rail, heavy rail
Span range
Medium
Material
structural steel
Movable
No
Design effort
Medium
Falsework required
Sometimes, but long spans are often built using temporary cantilevers
A truss arch bridge combines the elements of the truss bridge and the arch bridge. The actual resolution of forces will depend upon the bridge' design. If no horizontal thrusting forces are generated, this becomes an arch-shaped truss which is essentially a bent beam – see moon bridge for an example. If horizontal thrust is generated but the apex of the arch is a pin joint, this is termed as a three-hinged arch. If no hinge exists at the apex, it will normally be a two-hinged arch.
In the Iron Bridge shown below, the structure of each frame emulates the kind of structure that previously had been made of wood. Such a wood structure uses closely fitted beams pinned together, so the members within the frames are not free to move relative to one another, as they are in a pin-jointed truss structure that allows rotation at the pin joint. Such rigid structures (which impose bending stresses upon the elements) were further developed in the 20th century as the Vierendeel truss.
Garabit Viaduct, a thrust arch type employing a catenary shape
The steel Stoney Creek Bridge carries the Canadian Pacific Railway
Illustration of a Truss arch bridge, showing the Honeymoon Bridge over the Niagara River (1917)
A trussbridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units...
An archbridge is a bridge with abutments at each end shaped as a curved arch. Archbridges work by transferring the weight of the bridge and its loads...
point apart, and when jacks are removed and the bridge decking is added the bridge becomes a trussarchbridge. Such unsupported construction is only possible...
The Burr ArchTruss—or, simply, Burr Truss or Burr Arch—is a combination of an arch and a multiple kingpost truss design. It was invented in 1804 by Theodore...
1870 and represent the most common truss styles (Burr Arch) in Indiana. Parke County bills itself as the covered bridge capital of the world. Combined with...
A through archbridge, also known as a through-type archbridge, is a bridge that is made from materials such as steel or reinforced concrete, in which...
Stoney Creek Bridge is a Canadian Pacific Railway (CP) trussarch in southeastern British Columbia. This single-track crossing over Stoney Creek is in...
System, commonly referred to as the Bloor Viaduct, is the name of a trussarchbridge system in Toronto, Ontario, Canada, connecting Bloor Street East,...
Chongqing, China. The bridge, which opened on 29 April 2009, is the world's longest through archbridge. The continuous steel trussarchbridge with tie girders...
shape, bowstring trusses were first used for archedtrussbridges, often confused with tied-archbridges. Thousands of bowstring trusses were used during...
Navajo Bridge is the name of twin steel spandrel archbridges that cross the Colorado River in the Grand Canyon National Park (near Lees Ferry) in northern...
beam. In truss and arch-style bridges, the girders are still the main support for the deck, but the load is transferred through the truss or arch to the...
Bridge incorporated an arch shape into the design, but was continuous across multiple spans. The Key Bridge acted first as a continuous trussbridge and...
Rapids Bridge, commonly known as the Whirlpool Bridge or the Lower Steel ArchBridge (before 1937), is a spandrel braced, riveted, two-hinged archbridge that...
a railway archbridge spanning the Truyère, near Ruynes-en-Margeride, Cantal, France, in the mountainous Massif Central region. The bridge was constructed...
The New River Gorge Bridge is a steel archbridge 3,030 feet (924 m) long over the New River Gorge near Fayetteville, West Virginia, in the Appalachian...
landmark. The bridge's use of light trusses influenced the design of other long suspension bridges in the early 20th century. The bridge was the last of...
The Chenab Rail Bridge is a steel and concrete archbridge carrying a single-track railway line, located between Bakkal and Kauri in the Reasi district...
Railway. The two spans are lenticular trusses with the top chord of each truss comprising a heavy tubular arch in compression, which tend to expand in...
types of bridges. Cable-stayed suspension bridge "The five main bridge designs". ECL Civil Engineering. 21 March 2022. "Yavuz Sultan Selim Bridge, Istanbul...
Godavari ArchBridge is a bowstring-girder bridge that spans the Godavari River in Rajahmundry, India. It is the latest of the three bridges that span...
bracing that connected the lower chords of the two side trusses. This bracing stiffened the bridge deck in torsion so that it would better resist the types...
Global Information
Garabit Viaduct, a thrust arch type employing a catenary shape
The steel Stoney Creek Bridge carries the Canadian Pacific Railway
Illustration of a Truss arch bridge, showing the Honeymoon Bridge over the Niagara River (1917)
