steel bridges
Iron alloy crossings
Steel bridges are bridges constructed primarily from steel, valued for their strength-to-weight ratio and ability to span long distances.
The term appears in engineering, infrastructure planning, and discussions of industrial-era construction: The city's steel bridges date to the early twentieth century.
Steel bridges include various designs—truss, arch, suspension, and girder types.
- prefabricationFactory-made construction components
- industrial revolutionRapid economic mechanization period
- trussLoad-bearing beam arrangement
- rivetingCompletely holding one's attention
- iron workersStructural metal installers
rust red · bascule · arch · cast iron · girder · wrought iron · bolting · suspension · welding · cantilever · footbridge · movable · beam · cable-stayed · pylons · stress testing · heavy lifting · span
steel bridgesnatural bridges
Rock spans formed by erosion
stepping stones · rope bridges · fords · pontoon bridges · floating bridges
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