The Golden Gate Bridge uses 80,000 miles of wire in its cables.
The Golden Gate Bridge uses 80,000 miles of wire in its cables.
Why did the truss bridge break up with the beam bridge? It needed more support.
Iowa
Total Bridges
156
Poor Condition
19.9%
Avg Sufficiency
61.1
Avg Age
42 yrs
Total Bridges
156
Poor Condition
31(19.9%)
Good or Better
42
Avg Sufficiency
61.1
Average Age
42 yrs
Daily Crossings
117K
Showing 1 - 20 of 156 bridges
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