The workforce consisted of less than 100 men, yet they finished construction in just 94 days. Such speed was possible due to the elimination of scaffolding. Instead, iron rods were used to support construction of the trusses between the towers, and workers moved back and forth across the rods. A dangerous venture, yet no workers were seriously injured.
Phoenix Iron Works
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YearAdded:
Image Credit:
Courtesy Flickr/Peter Pawlowski (CC BY 2.0)
Image Caption:
Kinzua Railway Viaduct
Era_date_from:
1882
1982

The workforce consisted of less than 100 men, yet they finished construction in just 94 days. Such speed was possible due to the elimination of scaffolding. Instead, iron rods were used to support construction of the trusses between the towers, and workers moved back and forth across the rods. A…
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