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Dredging of Mississippi River Gets Critical Endorsement
Posted on 8/23/18 at 12:36 pm
Posted on 8/23/18 at 12:36 pm
quote:
A plan to deepen the main channel of the Mississippi River to 50 feet from a Louisiana city to the Gulf of Mexico has won a critical endorsement from the Army Corps of Engineers.
LINK
BATON ROUGE, La. (AP) — A plan to deepen the main channel of the Mississippi River to 50 feet (15 meters) from a Louisiana city to the Gulf of Mexico has won a critical endorsement from the Army Corps of Engineers.
James Dalton, the corp's civil works director, concluded the increase from Baton Rouge to the Gulf will result in annual benefits of upward of $100 million to the nation's economy, compared to average annual costs of $17.7 million. Dalton signed the recommendation Aug. 3, news outlets reported Monday.
The more than $200 million project will deepen the main shipping channel an extra five feet (1.5 meters) where needed along about 250 miles (400 kilometers) of the river as it passes through the Plaquemines Port, Harbor and Terminal District; Port of New Orleans; Port of South Louisiana; and Port of Greater Baton Rouge. Those ports handle more than 500 million tons of cargo a year, including 60 percent of the nation's grain.
The project has gained momentum in recent years because of the multibillion-dollar expansion of the Panama Canal, which opened in 2016.The dredging will allow "New Panamax" vessels that are built larger to use the widened Panama Canal and Post Panamax" vessels that may be too large for the canal to reach Baton Rouge as long as their superstructure fits below the Crescent City Connection bridge in New Orleans.
quote:
The final proposal must be approved by the White House Office of Management and Budget and Congress. Congress must also include funding for the project in its fiscal year 2019 budget and money for the increased cost of annual dredging in future annual budgets.
This will ensure that New Orleans and Baton Rouge can continue to handle everything that can fit through the Panama Canal.
Posted on 8/23/18 at 12:37 pm to member12
Ridiculous it took so long for all of this. The work should be done by now.
Posted on 8/23/18 at 12:38 pm to waiting4saturday
quote:
Ridiculous it took so long for all of this. The work should be done by now.
Would it not be ongoing work forever?
Posted on 8/23/18 at 12:40 pm to member12
Now this is a legit project that will bring a lot of money to BR


Posted on 8/23/18 at 12:46 pm to Upperdecker
It's critical for New Orleans and Baton Rouge as well as agricultural producers in the mid west.
Posted on 8/23/18 at 12:47 pm to member12
quote:
can continue to handle everything that can fit through the Panama Canal.
That's what she said
Posted on 8/23/18 at 12:50 pm to waiting4saturday
It's cheaper to do this than to widen I-10 for 4.5 miles through Baton Rouge.
Posted on 8/23/18 at 12:52 pm to member12
I still don’t know why there hasn’t been a lawsuit from every state, town and city on the river north of Baton Rouge because of the old bridge in BR.
Posted on 8/23/18 at 12:57 pm to member12
quote:
a Louisiana city to the Gulf of Mexico
Would be nice to know what city.
Based on those costs to the state, with Louisiana politics it will be from Boothville to the gulf.
Posted on 8/23/18 at 12:59 pm to member12
And in an ideal world the USACE would partner with CPRA to beneficially re-use the dredged sediment to replenish the coast in lieu of sending it off the continental shelf. Win-win.
Posted on 8/23/18 at 12:59 pm to TigerFred
quote:
Would be nice to know what city.
Since it includes the Port of Baton Rouge, I'm assuming the city is either Baton Rouge or farther north.
Posted on 8/23/18 at 1:04 pm to The Last Coco
quote:
The Last Coco
quote:
And in an ideal world the USACE would partner with CPRA to beneficially re-use the dredged sediment to replenish the coast in lieu of sending it off the continental shelf. Win-win.
AMEN!
Posted on 8/23/18 at 1:33 pm to missloutiger
quote:
I still don’t know why there hasn’t been a lawsuit from every state, town and city on the river north of Baton Rouge because of the old bridge in BR.
The bridge is not the only factor in keeping large ships from going past BR. The channel gets much shallower and narrower very quickly above the bridge and the amount of dredging needed would make what maintenance dredging they do now look miniscule.
Posted on 8/23/18 at 1:48 pm to achenator
At really low stages aren't there sandbars that make navigating past Natchez difficult?
The St Francisville/Angola ferry used to have issues, but maybe that is a different reason.
The St Francisville/Angola ferry used to have issues, but maybe that is a different reason.
This post was edited on 8/23/18 at 1:49 pm
Posted on 8/23/18 at 1:53 pm to member12
quote:
This will ensure that New Orleans and Baton Rouge can continue to handle everything that can fit through the Panama Canal.
Might be a dumb question... but would this pose practical problems for the petrochemical plants along the river? E.g. By increasing the area of flow under the existing hwl and lwl (and assuming the flow stays constant), will the existing docks/moorings be even more inaccessible at low river stages, either by having too little depth or no depth? In other words, will this new channel dredging take up so much flow as to dry out the existing docks/piers/moorings.
This post was edited on 8/23/18 at 2:01 pm
Posted on 8/23/18 at 1:55 pm to member12
Some/many Panamax ships will be too tall to get under the GNO Bridges.
Plaquemines Parish has a nice opportunity to get in on Panamax-related development but they (and the rest of the region & State) will screw it up and the freight will go elsewhere.
Plaquemines Parish has a nice opportunity to get in on Panamax-related development but they (and the rest of the region & State) will screw it up and the freight will go elsewhere.
This post was edited on 8/23/18 at 1:56 pm
Posted on 8/23/18 at 2:00 pm to missloutiger
Aren't there enough lawsuits in this state??
Posted on 8/23/18 at 2:13 pm to member12
Think of the wrecks on the bridge from rubberneckers gawking at the dredge operations.
Posted on 8/23/18 at 2:17 pm to fightin tigers
quote:
At really low stages aren't there sandbars that make navigating past Natchez difficult? The St Francisville/Angola ferry used to have issues, but maybe that is a different reason.
No wonder that ferry took so long to cross the river. It went through Natchez.
Posted on 8/23/18 at 2:19 pm to NYNolaguy1
quote:
Might be a dumb question... but would this pose practical problems for the petrochemical plants along the river? E.g. By increasing the area of flow under the existing hwl and lwl (and assuming the flow stays constant), will the existing docks/moorings be even more inaccessible at low river stages, either by having too little depth or no depth? In other words, will this new channel dredging take up so much flow as to dry out the existing docks/piers/moorings.
This is an interesting question. I'd hope someone has thought of it
(texts my PE buddy at USACE)
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