In a trussed bridge, the maximum limit of span is -
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A.
50 to 150 m
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B.
3 to 7.5 m
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C.
30 to 80 m
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D.
18 to 30 m
Correct Answer:
C. 30 to 80 m
Explanation:
Trussed bridges are highly efficient for spans that exceed the capacity of simple beam bridges but are shorter than those of large-scale suspension or cable-stayed structures. In typical civil engineering practice, the maximum economical and practical span for a standard trussed bridge generally ranges from 30 to 80 meters. While specialized designs can extend further, this range represents the standard limit for maximizing material efficiency and structural stability. Therefore, 30 to 80 m is the most appropriate choice.
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