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Bridge strikes happen, to some degree it is inevitable,[URL unfurl="true" said:https://en.wikipedia.org/wiki/Chesapeake_Bay_Bridge%E2%80%93Tunnel[/URL]]High-level bridges were initially considered for traversing these channels. The United States Navy objected to bridging the Thimble Shoals Channel because a bridge collapse (possibly by sabotage) could cut Naval Station Norfolk off from the Atlantic Ocean. Maryland officials expressed similar concerns about the Chesapeake Channel and the Port of Baltimore.
And yes hazmat needs to go via surface bridges.[URL unfurl="true" said:https://en.wikipedia.org/wiki/Chesapeake_Bay_Bridge%E2%80%93Tunnel[/URL]]The CBBT has been closed three times for multiple days after being struck by watercraft:
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[li]In December 1967, coal barge Mohawk broke anchor and struck the bridge, closing it for two weeks for repairs.[/li]
[li]On January 21, 1970, the USS Yancey (AKA-93), a United States Navy attack cargo ship carrying 250 people, was at anchor near the bridge–tunnel. During a gale with winds gusting in excess of 50 miles per hour (80 km/h), the Yancey dragged its anchors and hit the bridge stern first, knocking out a 375-foot (114 m) segment of trestle. There were no vehicles on the bridge at the time of the impact, and no one was injured. During the 42 days it took to replace the damaged span, the Navy offered a free shuttle service for commuters using helicopters and LCUs.[/li]
[li]In 1972, the bridge was again impacted by a barge that had broken loose, closing it for two weeks while the span was repaired.[/li]
[li]Other, less significant strikes have caused shorter closures while the affected structures are inspected—most recently, a four hour closure after a barge strike in June 2011.[/li]
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FacEngrPE said:the CCBT above water sections
3DDave said:The FAA KNEW 100% that anyone except flight crew in the cockpit was a bad deal and waited for 4 aircraft to be hijacked before requiring locks on doors and keeping hijackers away from the pilots.
LittleInch said:How many big container ports are inland of bridges in the US?
LittleInch said:How many big container ports are inland of bridges in the US?
How many big container ports are inland of bridges in the US?
3DDave said:The FAA KNEW 100%...