Arch bridges are one of the oldest types of ... Already the winner of many awards, the bridge is expected to influence bridge design for years to come.
The new Portal Bridge design has three arch spans totaling 1,200 feet in length and are 50 feet above the river to allow marine vessels to pass under. The passage of the bridge section was ...
Arch bridges are one of the oldest types of ... Already the winner of many awards, the bridge is expected to influence bridge design for years to come.
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