Reply to Key bridge in Baltimore collapses after cargo ship crashes into it

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]This was a good take by a shipping expert.

https://slate.com/business/2024/03/baltimore-bridge-collapse-francis-scott-key-maryland-deaths.html[/quote]

Just want to thank you for the link and recommend others read it. It put a lot of stuff into perspective for me and dispels some junk commentary floating around about certain aspects of the incident.[/quote]

PP. Thank you, I’m an engineer and I found the context of the shipping industry very helpful. And I think he is right that the new bridge will be bigger and higher. I remember when the roadway on the Bayonne bridge in ny was raised to accommodate new Panamax ships. Those bigger ships became popular because the Panama Canal got new locks which allowed bigger boats. So what he is saying about the suez size constraint makes sense. Interesting read. [/quote]

Raising the bridge won't change the size constraint because any ship coming into Baltimore needs to fit under the Bay Bridge.[/quote]

Taxpayers paid almost $2 billion dollars to “raise” the Bayonne bridge. You don’t think new bridges that span harbors will be preemptively designed for larger ships? [/quote]

I mean that’s great for those people but that doesn’t have anything to do with the Bay Bridge. I live in Stevensville in QAC and cross the bridge almost every day. Maryland just finished a several year study and expensive study on whether to replace the bridge or build a new bridge at 2 different sites and in the end decided to just keep the bridge as is. They are currently replacing the eastbound deck. They’re not raising the bridge, not in our lifetime.

https://mdta.maryland.gov/BayBridgeEastboundDeckReplacementProject[/quote]

No one is saying that the car deck on the bay bridge will be raised. But the fact that other bridges in the us have been altered to allow larger ships to pass underneath, coupled with the fact that even bigger ships are likely in the pipeline means that cities will either plan to accommodate larger ships or suffer the economic consequences of losing business to a different city. Baltimore already has had to dredge because of the Panamax ships, I’m sure future ship size considerations is near the top of the list for planners of the replacement bridge. [/quote]

Carriers that go underneath the Key Bridge also have to go under the CBB. I’m sure they did consider a taller bridge but last year decided to keep what they have. What part isn’t clear? And this ship didn’t hit the bridge because it was too tall. [/quote]

Ok, let’s see. [/quote]

So when there is a boat that is considered vulnerable re height there are restrictions when it can go under CBB. Each bridge that goes under needs permission and it is monitored on the AA County side. Things like such as tide come into play. 2 years ago a HUGE crane had to sit in front of my house for almost a week because the tide and water levels kept changing and it couldn't get permission to pass and make it's way to the Baltimore port. The kind of crane that is used to offload containers from ships like these. And they didn't just let it pass when there was just "enough room" . They also closed both spans of the bridge before it was allowed to go.

I am just bewildered by posters on here who have no clue how this Bay system works.[/quote]

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