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The Soaring Arch
Triangles and Iron Horses
3 other sections not shown
American anchorage Bay Bridge Bayonne Bridge Bridge and Tunnel bridge was built bridge-builder Brooklyn Bridge build a bridge cable spinning caisson cantilever bridge canyon Captain Eads carry cast iron center span central span clapper bridges compressed concrete construction corbeled arch covered bridges cross deck double-decker earlier bridge Ellet engineer erected eyebar famous feet finished Firth George Washington Bridge Hell Gate Bridge Hudson River king post known later length lift longer longest span look Louis Bridge Mackinac main span Menai Straits metal miles Mississippi named Niagara Ohio Palladio plans Pont Quebec Bridge railroad bridge roadway Roman bridges rope cables San Francisco sand side standing Staten Island steel arch stiffening stone slab structure suspension bridge suspension span towers rise triangles Triborough Bridge truss bridge trusswork Tunnel Authority Verrazano-Narrows Bridge Washington Roebling weight wheel wire cables wooden bridges wrought iron York City