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Old vs new bridges

Started by tolbs17, March 16, 2021, 09:56:50 PM

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Dirt Roads

Quote from: tolbs17 on February 23, 2022, 01:16:21 AM
Is this a temporary bridge? It was replaced because the old old probably was damaged or it collapsed or it was in really bad condition. But this is a really ugly bridge I have to say.

https://goo.gl/maps/613KABSpWSwWCgn69

You may be correct in your suspicion.  That was one of several bridges along I-95 that were replaced due to low clearance, requiring some truckers to use alternate routes.  Unless there are plans to add the extra lanes in the median (one lane in each direction), the SR-1726 bridge over I-95 will need to replaced and reconfigured to permit widening to 6 lanes.


tolbs17

Quote from: Dirt Roads on February 23, 2022, 12:04:23 PM
Quote from: tolbs17 on February 23, 2022, 01:16:21 AM
Is this a temporary bridge? It was replaced because the old old probably was damaged or it collapsed or it was in really bad condition. But this is a really ugly bridge I have to say.

https://goo.gl/maps/613KABSpWSwWCgn69

the SR-1726 bridge over I-95 will need to replaced and reconfigured to permit widening to 6 lanes.
I assume you mean 8 lanes. Plans call for widening I-95 south of Fayetteville to I-74 to 8 lanes. It was originally proposed as 6, but given to the growth they bumped it up to 8. The widening in Lumberton was purposely accelerated due to the vulnerability of getting flooded. Hurricanes Matthew and Florence did that.

Dirt Roads

Quote from: tolbs17 on February 23, 2022, 01:16:21 AM
Is this a temporary bridge? It was replaced because the old old probably was damaged or it collapsed or it was in really bad condition. But this is a really ugly bridge I have to say.

https://goo.gl/maps/613KABSpWSwWCgn69

Quote from: Dirt Roads on February 23, 2022, 12:04:23 PM
the SR-1726 bridge over I-95 will need to replaced and reconfigured to permit widening to 6 lanes.

Quote from: tolbs17 on February 23, 2022, 12:09:49 PM
I assume you mean 8 lanes. Plans call for widening I-95 south of Fayetteville to I-74 to 8 lanes. It was originally proposed as 6, but given to the growth they bumped it up to 8. The widening in Lumberton was purposely accelerated due to the vulnerability of getting flooded. Hurricanes Matthew and Florence did that.

There you go.  Very few of the overpasses along I-95 will provide room for 8 lanes beneath.

Mapmikey

Quote from: tolbs17 on February 23, 2022, 01:16:21 AM
Is this a temporary bridge? It was replaced because the old old probably was damaged or it collapsed or it was in really bad condition. But this is a really ugly bridge I have to say.

https://goo.gl/maps/613KABSpWSwWCgn69

Definitely not temporary...was refurbished to increase clearance in 2009.

tolbs17

Quote from: Mapmikey on February 23, 2022, 05:56:34 PM
Quote from: tolbs17 on February 23, 2022, 01:16:21 AM
Is this a temporary bridge? It was replaced because the old old probably was damaged or it collapsed or it was in really bad condition. But this is a really ugly bridge I have to say.

https://goo.gl/maps/613KABSpWSwWCgn69

Definitely not temporary...was refurbished to increase clearance in 2009.
Well this one was refurbished and raised too and it still looks old.

I-40 ALT
https://maps.app.goo.gl/X5MLnR5Z8N9aPLo66

Mapmikey

Quote from: tolbs17 on February 23, 2022, 05:59:36 PM
Quote from: Mapmikey on February 23, 2022, 05:56:34 PM
Quote from: tolbs17 on February 23, 2022, 01:16:21 AM
Is this a temporary bridge? It was replaced because the old old probably was damaged or it collapsed or it was in really bad condition. But this is a really ugly bridge I have to say.

https://goo.gl/maps/613KABSpWSwWCgn69

Definitely not temporary...was refurbished to increase clearance in 2009.
Well this one was refurbished and raised too and it still looks old.

I-40 ALT
https://maps.app.goo.gl/X5MLnR5Z8N9aPLo66

They didn't use the same method on every bridge but personal observation is that they wanted to use the method in your last post's link - raise the height with stilts. Sometimes that wasn't feasible though the 2009 bridge may have been stilted first.

Dirt Roads

Quote from: tolbs17 on February 23, 2022, 05:59:36 PM
I-40 ALT
https://maps.app.goo.gl/X5MLnR5Z8N9aPLo66

May I ask why you keep posting these as "I-40 Alt"?  I-95 is certainly more important than whatever goofy number Google shows it as.

tolbs17

Quote from: Dirt Roads on February 23, 2022, 07:15:23 PM
Quote from: tolbs17 on February 23, 2022, 05:59:36 PM
I-40 ALT
https://maps.app.goo.gl/X5MLnR5Z8N9aPLo66

May I ask why you keep posting these as "I-40 Alt"?  I-95 is certainly more important than whatever goofy number Google shows it as.
Because when I copy and paste from my phone, that's what it shows. Again whoever added that to the map does not know what he/she is doing.

tolbs17

Quote from: Mapmikey on October 11, 2021, 08:11:55 PM
Quote from: tolbs17 on October 11, 2021, 03:41:29 PM
So, when bringing a freeway to interstate standards, this plan shows that the bridges that the main freeway bridge over will be replaced. They look fine to me... I don't see why they need to be replaced.

https://www.ncdot.gov/projects/us-17-feasibility-study/Documents/us-17-segment-6.pdf



All of the southbound bridges were built in 1976, so they will be pushing 50 years old when they get around to doing construction.

The northbound bridges were built in 1999.  Less sure why they would want to replace those at the outset unless they don't meet interstate standard in some way.
All of them are fine tbh even when they start doing construction. I don't see any reason to replace them

That section can easily be upgraded to interstate standards without having to replace those bridges.

http://bridgereports.com/nc/chowan/

Big John

Quote from: snowc on May 14, 2022, 06:31:41 PM
https://goo.gl/maps/nPRpp5BGAMzFGGDe8
how come these bridges have new parapets albeit old piers?
It either got a new deck (which comes with a new parapet) or was otherwise rehabbed with a new parapet called for in the contract.

Max Rockatansky

Quote from: snowc on May 18, 2022, 11:51:50 AM
https://goo.gl/maps/6estLpUFLado9Vic9
This looks like a 1950s bridge, but from 2016.
How come this bridge looks newer, but is got older piers? :hmmm:
Bryce

Posting inane GSV images from the vicinity of Raleigh?  That seems oddly familiar, how suspicious.   :hmmm:

kphoger

Keep right except to pass.  Yes.  You.
Visit scenic Orleans County, NY!
Male pronouns, please.

Quote from: Philip K. DickIf you can control the meaning of words, you can control the people who must use them.

Big John

^^ I think he is referring to the style of bent/pier supports that is still used for bridges over water/wetlands mainly in certain regions.

dlsterner


epzik8

Quote from: snowc on May 18, 2022, 11:51:50 AM
https://goo.gl/maps/6estLpUFLado9Vic9
This looks like a 1950s bridge, but from 2016.
How come this bridge looks newer, but is got older piers? :hmmm:
Bryce
Maybe it is?
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Mapmikey

Quote from: snowc on May 18, 2022, 11:51:50 AM
https://goo.gl/maps/6estLpUFLado9Vic9
This looks like a 1950s bridge, but from 2016.
How come this bridge looks newer, but is got older piers? :hmmm:
Bryce

Here is an official answer to your question.  This is a current VDOT bridge pier document.  Go to pdf pg 6.
https://www.virginiadot.org/business/resources/bridge/Manuals/Part2/Chapter15.pdf

Definitely other modern NC bridges have these...



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