Time was a critical factor when crews had to replace the Pittsburgh Commercial Street bridge — a main route in the busy city that’s used by more than 100,000 vehicles every day. Time was a critical factor when crews had to replace the Pittsburgh Commercial Street bridge — a main route in the busy city that’s used by more than 100,000 vehicles every day.
Mammoet skidding system used to replace 10,000-ton bridge in under 24 hours
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