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Old September 26th, 2017, 05:17 PM   #12361
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I-5, Tacoma, Washington

The new Puyallup River Bridge of Interstate 5 in Tacoma.


New northbound I-5 Puyallup River Bridge with SR 167 Ramp Bridge in Background by Washington State Dept of Transportation, on Flickr

And the nearby I-5 widening near Portland Avenue.

Interstate 5 Widening near Portland Avenue by Washington State Dept of Transportation, on Flickr
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Old September 26th, 2017, 05:20 PM   #12362
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The old brigde will be demolished?
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Old September 26th, 2017, 09:39 PM   #12363
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Quote:
Originally Posted by Penn's Woods View Post
Timelapse

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Old September 26th, 2017, 10:34 PM   #12364
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Yankee ingenuity.
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Old September 26th, 2017, 10:45 PM   #12365
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It's a pretty cool project;

* reusing the old piers
* sliding a multi-span bridge deck as opposed to a single structure
* it spans a river
* virtually no impact on traffic except for the weekend closure

Good job.
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Old September 28th, 2017, 05:49 PM   #12366
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Interstate 96

A truck hit a bridge on I-96 in Brighton, Michigan. A portion of the bridge needs to be demolished as some steel beams were deformed in the crash.

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Old September 28th, 2017, 06:04 PM   #12367
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Aren't truck heights and bridge clearances standard?
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Old September 29th, 2017, 05:28 AM   #12368
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The truck was carrying a mobile lift and its boom appeared to be raised.

I don't know the answer to your question, but this truck in particular had an especially "non standard" load and may have been improperly loaded to begin with.
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Old September 29th, 2017, 08:33 AM   #12369
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Quote:
Originally Posted by Luki_SL View Post
The old brigde will be demolished?
The new bridge will only carry northbound traffic. The old bridge will be converted to southbound only.

The project is mostly to add new HOV lanes, but includes a lot of weave and merge splits. Tacoma has been in a perpetual state of highway construction for a decade now.
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Old October 1st, 2017, 06:30 PM   #12370
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Quote:
Originally Posted by g.spinoza View Post
Aren't truck heights and bridge clearances standard?
Yes, of course they are. However, the minimum clearance is 14'-6," and this one is marked 14'-8." The bridge appears new (and handsome), but this section of I-96 is quite elderly and, I suspect, was designed and possibly built in the pre-Interstate era, Hence the low, if not explicitly substandard, bridge clearance.
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Last edited by Tom 958; October 1st, 2017 at 07:53 PM. Reason: clarification
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Old October 1st, 2017, 06:57 PM   #12371
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Local news from the New York area (I’m chez Mom): The old Kosciuszko Bridge (I-278 between Brooklyn and Queens) was imploded this morning.
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Old October 1st, 2017, 09:16 PM   #12372
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There is something about demolition :

See the old Kosciuszko Bridge come down in a controlled explosion :
https://ny.curbed.com/2017/10/1/1639...on-video-cuomo
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Old October 2nd, 2017, 10:34 AM   #12373
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Old October 5th, 2017, 08:05 PM   #12374
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Rhode Island exit numbering

RIDOT to Begin Highway Renumbering Program with I-295 this Fall

Exits will be based on national standards using mile markers.

The Rhode Island Department of Transportation (RIDOT) announced today that late this fall it will begin a highway renumbering program for its Interstate and other limited-access highways, starting with the entire I-295 corridor from Warwick to Cumberland, at the Massachusetts border.

The new exit numbers will be keyed to mile markers – a system used throughout the country for many years that the traveling public has now come to expect. Rhode Island and some of its neighboring New England states are among the last to change to this method of numbering its highways, as required by the Federal Highway Administration's Manual on Uniform Traffic Control Devices for Streets and Highways. The highway exit numbers traditionally were assigned sequentially.

When RIDOT installs the new exit number signs, it will install temporary signs indicating the old exit number and will leave them for an extended period of time. The same approach has been employed by DOTs elsewhere in the country, and the sign design with both new and old numbers is currently in place along I-395 in Connecticut.

RIDOT also will be assigning exit numbers to Route 99, from Route 146 in Lincoln to Mendon Road in Cumberland, and on Route 146, from the I-95 interchange in Providence to the Massachusetts border in North Smithfield. These highways did not have any exit numbers previously.
Full press release: http://www.ri.gov/press/view/31581

Exit numbering plan website: http://www.dot.ri.gov/projects/exitnumbers/index.php
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Old October 6th, 2017, 09:33 PM   #12375
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Some photos of the I-694 and I-35W interchange in Minneapolis/St. Paul:


http://www.asphaltplanet.ca/MN/I/694...un17_24x16.jpg


http://www.asphaltplanet.ca/MN/I/694...un17_24x16.jpg


http://www.asphaltplanet.ca/MN/I/694...un17_24x16.jpg


http://www.asphaltplanet.ca/MN/I/694...un17_24x16.jpg


http://www.asphaltplanet.ca/MN/I/694...un17_24x16.jpg


http://www.asphaltplanet.ca/MN/I/35W...un17_24x16.jpg
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Old October 7th, 2017, 02:40 AM   #12376
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Quote:
Originally Posted by ChrisZwolle View Post
RIDOT to Begin Highway Renumbering Program with I-295 this Fall

Exits will be based on national standards using mile markers.

The Rhode Island Department of Transportation (RIDOT) announced today that late this fall it will begin a highway renumbering program for its Interstate and other limited-access highways, starting with the entire I-295 corridor from Warwick to Cumberland, at the Massachusetts border.

The new exit numbers will be keyed to mile markers – a system used throughout the country for many years that the traveling public has now come to expect. Rhode Island and some of its neighboring New England states are among the last to change to this method of numbering its highways, as required by the Federal Highway Administration's Manual on Uniform Traffic Control Devices for Streets and Highways. The highway exit numbers traditionally were assigned sequentially.

When RIDOT installs the new exit number signs, it will install temporary signs indicating the old exit number and will leave them for an extended period of time. The same approach has been employed by DOTs elsewhere in the country, and the sign design with both new and old numbers is currently in place along I-395 in Connecticut.

RIDOT also will be assigning exit numbers to Route 99, from Route 146 in Lincoln to Mendon Road in Cumberland, and on Route 146, from the I-95 interchange in Providence to the Massachusetts border in North Smithfield. These highways did not have any exit numbers previously.
Full press release: http://www.ri.gov/press/view/31581

Exit numbering plan website: http://www.dot.ri.gov/projects/exitnumbers/index.php
[Gasp!]

But seriously: (1) Don't we have more important things to worry about; (2) does the MUTCD really require states to do anything; and (3) Rhode Island's so small, does it really matter?
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Old October 7th, 2017, 10:51 AM   #12377
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I believe there is a requirement to introduce mileage-based exit numbering within 10 years of adopting the MUTCD.
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Old October 9th, 2017, 08:21 AM   #12378
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Off topic, but Minneapolis-St Paul has the ugliest highway sound barriers. Not only are they everywhere, blocking the view from the road, but they are also tall. And made of wood, which means some of them are starting to rot(at least appearing to, can wood develop a protective patina? I don't know).
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Old October 9th, 2017, 09:24 AM   #12379
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Quote:
Originally Posted by Penn's Woods View Post
[Gasp!]

But seriously: (1) Don't we have more important things to worry about; (2) does the MUTCD really require states to do anything; and (3) Rhode Island's so small, does it really matter?
Are you implying that small States should be exempt from applying laws?
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Old October 9th, 2017, 09:28 PM   #12380
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its not a law, just a set of guidelines
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