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Author Topic: I-895 (Baltimore Harbor Tunnel Thruway)  (Read 20011 times)

cpzilliacus

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #100 on: December 28, 2017, 01:01:49 PM »

Press release: Tutor Perini Announces Low Bid for the $189 Million Canton Viaduct Replacement Project

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Tutor Perini Corporation (NYSE: TPC), a leading civil, building and specialty construction company, today announced that the Company has been identified by the Maryland Transportation Authority as the low bidder for the Replacement of the Canton Viaduct I-895 Over I-95 Ramps, Railroads and City Streets and Rehabilitation of the Baltimore Harbor Tunnel and Tunnel Approaches. The anticipated contract value is approximately $189.4 million, and contract award is expected later in the fourth quarter of 2017.

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The project scope of work includes the removal and replacement of an approximately 3,200-foot-long bridge structure on the north side of the Baltimore Harbor Tunnel, as well as tunnel rehabilitation. Work on the project is expected to commence in March 2018 with substantial completion anticipated by June 2021.
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Beltway

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #101 on: December 28, 2017, 01:08:08 PM »

They didn't have jet fans back then, not sure when the first was installed, but part of what made them feasible was vast reductions in motor vehicle pollutants enabled by advancing technology.
I think the first "jet" fan I  saw in the  U.S. was on the PTC's "new" Lehigh Tunnel (the tube that normally carries southbound traffic (though I think PTC can run two-way traffic in most or all of its tunnels if needed, as the crossover ramps are there).
Getting back to the BHT, I do not think MDTA is going away from its "traditional" approach to tunnel ventilation using plenums and fan buildings.
Anyone looked at the plans for the CBBTD's new Thimble Shoal Tunnel? 

Hampton Roads area tunnels all followed the "traditional" approach to tunnel ventilation, until the ERT project where all 4 tubes have jet fans.  I'm not sure whether the various costs and benefits, on the balance, are substantially different or whether they are close.

I don't see detailed CBBT plans on their website, but they do have a cross-section here --
http://www.cbbt.com/project-description/

The finished product will look more modern compared to its ’60s-era companions.  It will be similar to the new Midtown Tunnel, completed last year, with bright LED lights, hanging electronic signs, jet fans and a separate fire exit corridor.
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Scott M. Savage
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TheOneKEA

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #102 on: February 19, 2018, 07:35:37 PM »

The MDTA project page for the Patapsco Flats bridge redecking doesn’t have any clear timeline information posted. When is that project expected to be done?
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cpzilliacus

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #103 on: February 20, 2018, 09:46:00 AM »

The MDTA project page for the Patapsco Flats bridge redecking doesn’t have any clear timeline information posted. When is that project expected to be done?

Crossed Patapsco Flats last week.  Looked to me like the contractor (McLean) was pretty close to having the northbound side of the bridge replaced, which means that there will likely be a traffic shift this spring. 

To your question, I do not know when this will be done.  Does it really matter? IMO, it will overlap with the Canton Viaduct replacement and repair work in the tubes, which  is where the real traffic impact will be.
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cpzilliacus

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #104 on: November 09, 2018, 11:55:48 PM »

It's about to get real on I-895.

MDTA press release:  **AVOID I-895**
MAJOR ROADWORK
COMING TO I-895 IN BALTIMORE
Use I-695/Key Bridge or I-95/Fort McHenry Tunnel as Alternate Routes


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On Nov. 27, northbound I-895 will close completely for one year from the north side of the Baltimore Harbor Tunnel to the Boston/O’Donnell Street exit ramp (Exit 11).

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Two-way traffic – one lane in each direction – will operate on southbound I-895.

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The I-895/Holabird Avenue exit ramp (Exit 10) will close completely during this time.

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Additionally, the northbound bore of the Harbor Tunnel will close 24/7 for 60 days in spring 2019 with two-way traffic operating in the southbound bore. 

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Northbound I-895 and the Holabird Avenue exit ramp will reopen to traffic in spring 2020.

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“This I-895 Bridge is the MDTA’s only remaining structurally deficient bridge,” said MDTA Executive Director Kevin C. Reigrut.  “We ask our customers to be patient as we deliver this long-overdue project and remind motorists to drive safely through work zones.”
« Last Edit: November 09, 2018, 11:59:20 PM by cpzilliacus »
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Beltway

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #105 on: November 10, 2018, 12:26:36 AM »

Major work to the tunnel as well.  Not just the bridge in the $189 million cost.

"The MDTA’s $189 million I-895 Bridge Project will replace the I-895 bridge located north of the Harbor Tunnel.  Work includes replacing the Holabird Avenue exit ramp and rehabilitating the Harbor Tunnel, including repairs to the tunnel portal, approach ramps and walls, deck and tiles."
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MASTERNC

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #106 on: Today at 11:08:01 AM »

It's about to get real on I-895.

MDTA press release:  **AVOID I-895**
MAJOR ROADWORK
COMING TO I-895 IN BALTIMORE
Use I-695/Key Bridge or I-95/Fort McHenry Tunnel as Alternate Routes


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On Nov. 27, northbound I-895 will close completely for one year from the north side of the Baltimore Harbor Tunnel to the Boston/O’Donnell Street exit ramp (Exit 11).

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Two-way traffic – one lane in each direction – will operate on southbound I-895.

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The I-895/Holabird Avenue exit ramp (Exit 10) will close completely during this time.

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Additionally, the northbound bore of the Harbor Tunnel will close 24/7 for 60 days in spring 2019 with two-way traffic operating in the southbound bore. 

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Northbound I-895 and the Holabird Avenue exit ramp will reopen to traffic in spring 2020.

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“This I-895 Bridge is the MDTA’s only remaining structurally deficient bridge,” said MDTA Executive Director Kevin C. Reigrut.  “We ask our customers to be patient as we deliver this long-overdue project and remind motorists to drive safely through work zones.”

Strange thing is they don't advertise that speed cameras will be used (the signs are up but covered).  Come to think of it, they have been lazy announcing cameras being introduced to other work zones via press releases lately (they just pop up on the program's page).
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D-Dey65

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Re: I-895 (Baltimore Harbor Tunnel Thruway)
« Reply #107 on: Today at 04:16:04 PM »

Yeah, once you start detouring everyone, people will quickly discover that I-695 north of the city is free, even with more traffic. MdTA doesn't want that.
Free or not, it's going to add more time to my next trip to NYC. For the past 4 trips, I've been taking the standard DC Detour along VA 207, US 301, MD 3, I-97, and the I-895 Spurs (what the hell is up with those anyway?) before getting onto the Harbor Tunnel Thruway. It appears that the next time I do that I'll have to get off at I-695.

I'll probably take the Francis Scott Key Bridge, because I don't want to go their other way and have to look at the stupid truncating of I-70 and I-83 as I'm driving by there. It's bad enough I'd have to look at it from I-95.

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