![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Tied-arch_bridge_pattern.svg/640px-Tied-arch_bridge_pattern.svg.png&w=640&q=50)
Tied-arch bridge
Type of bridge / From Wikipedia, the free encyclopedia
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A tied-arch bridge is an arch bridge in which the outward-directed horizontal forces of the arch(es) are borne as tension by a chord tying the arch ends rather than by the ground or the bridge foundations. This strengthened chord may be the deck structure itself or consist of separate, independent tie-rods.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Tied-arch_bridge_pattern.svg/640px-Tied-arch_bridge_pattern.svg.png)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/6/63/FortPittBridge.jpg/640px-FortPittBridge.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Rail_bridge_in_Argos.jpg/640px-Rail_bridge_in_Argos.jpg)