Balancing Portsmouth bridge proves a problem
Archer Western Contractors are working to complete the final alignment of the recently installed center lift span of Portsmouth's Memorial Bridge.
To function most efficiently, the bridge counterweights and lift span have to be nearly perfectly balanced. Right now, the balance is within 10 percent, Cota said. The goal is around four percent, he said.Carol Morris, spokesman for Archer Western Contractors, said Tuesday that the lift span was intentionally made heavier because it is easier to remove weight than to add weight to the span's concrete deck. There is no problem with the concrete, she said.
"We are still waiting for them to come forward with a recommended solution we can accept, but we don't see that as being an element that is going to delay them any further," Cota said.
"We anticipated a certain level of difference, and they are in the process of fixing it and it is part of the standard process," Morris said.
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