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I find suspension bridges to be the most beautiful bridges in the world. There is something so timeless about them (they're literally maintainable almost indefinitely). Many modern bridges are now built as cable-stayed bridges because they're cheaper, but they have a limited lifespan and the concrete isn't nearly as attractive are the the intricate steel patterns found in suspension bridges.



Of the three bridges over the Firth of Forth I'd say that the suspension bridge is by far the least attractive:

https://www.theforthbridges.org/

Also I believe the suspension bridge was replaced for most road traffic precisely because it is difficult to maintain the main suspension cables:

https://en.wikipedia.org/wiki/Forth_Road_Bridge#Structural_i...




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