Seven Mile Bridge, Florida Keys, USA
There are two bridges in this location.
The older bridge, originally known as the Knights Key-Pigeon Key-Moser Channel-Pacet Channel Bridge, was constructed from 1909-1912 under the direction of Henry Flagler as part of the Florida East Coast Railway's Key West Extension, also known as the Overseas Railroad. The new road bridge was constructed from 1978 to 1982.
The new bridge known as seven mile bridge florida keys is a box-girder structure built from precast, prestressed concrete sections, comprising 440 spans. Near the center, the bridge rises in an arc to provide 65-foot (20 m)-high clearance for boat passage. The remainder of the bridge is considerably closer to the water surface.
The Bridge was engineered by Figg & Muller Engineers. The structure was completed six months ahead of schedule and has earned eight awards, including an Exceptional Award for Cost Savings Innovation from the Federal Highway Administration.
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