Assertion: steel truss cantilever bridge | /r/HasProperty | major engineering breakthrough
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Source sentences:
text: The steel truss cantilever bridge was a major engineering breakthrough when first put into practice, as it can span distances of over 1,500 feet (460 m), and can be more easily constructed at difficult crossings by virtue of using little or no falsework.
text: The steel truss cantilever bridge was a major engineering breakthrough when it was first used, because it can span distances of over 1,500 feet (460 m).