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Cost of building a bridge

Posted on 4/18/17 at 1:14 pm
Posted by Creamer
louisiana
Member since Jul 2010
2817 posts
Posted on 4/18/17 at 1:14 pm
We are looking at a piece of property that has a 15' wide drainage canal that must be crossed for access. Currently there is a small 4 wheeler bridge providing access but I would want to put a 12 ft wide car bridge there instead. Has anyone dealt with this? What's a good number to build into my budget for this? Soil conditions are good, so piles shouldn't be necessary.

Also, how many different agencies am I going to have to involve in getting it approved?

Posted by Boudreaux35
BR
Member since Sep 2007
21500 posts
Posted on 4/18/17 at 1:17 pm to
What type of road (parish hwy, etc) are you accessing from?

quote:

What's a good number to build into my budget for this?


About three fiddy
This post was edited on 4/18/17 at 1:20 pm
Posted by wickowick
Head of Island
Member since Dec 2006
45812 posts
Posted on 4/18/17 at 1:17 pm to
I wonder if a large culvert would work
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 4/18/17 at 1:18 pm to
I bought $4k of timbers to re-top a 10' wide x 25' long steel frame tractor bridge about 5 years ago if that helps any.
Posted by baldona
Florida
Member since Feb 2016
20461 posts
Posted on 4/18/17 at 1:33 pm to
How deep is the water? Does it ever get really deep?

Is there a reason you can't just put some concrete down on the bottom and drive through the water I mean?
Posted by CajunCommander
FloodZone
Member since Jan 2015
1844 posts
Posted on 4/18/17 at 1:33 pm to
Buy used crane mats.
Posted by CajunCommander
FloodZone
Member since Jan 2015
1844 posts
Posted on 4/18/17 at 1:34 pm to
quote:

tree fiddy


FIFY
Posted by TU Rob
Birmingham
Member since Nov 2008
12739 posts
Posted on 4/18/17 at 1:36 pm to
My grandfather did something similar at his house years ago. There were 2 pieces of old telephone pole and a small wood slat deck across those. He wanted to be able to cross the ditch with his truck, so he had two more laid on each side and removed the slats. All the poles were right up next to each other.


Best pic I could find quickly, but you get the idea. Just lay several next to each other. Dig out the ends on each side and bury them.



ETA: found a better pic.

This post was edited on 4/18/17 at 1:41 pm
Posted by FelicianaTigerfan
Comanche County
Member since Aug 2009
26059 posts
Posted on 4/18/17 at 1:37 pm to
I have two places on my property that are in need of a bridge. One is a decent size creek that im considering just laying riprap in the bed of and having a low water crossing

The other is a drainage that has 20' vertical ledges on each side and is about 50' across. I have no idea how ill handle it
Posted by LSUengr
Baton Rouge
Member since Sep 2005
2335 posts
Posted on 4/18/17 at 1:38 pm to
Retired flatbed trailer is an option. Call some of the local truck companies to see what they have. They can be had for a couple grand. Would need 2 since they are typically 8ft wide. Old railcar would work, but they are more expensive ($10-12k)and harder to find. Culverts may be an option, just make sure they are sized properly. Will become a maintenance nightmare if not.

If there is an existing crossing, I wouldn't deal with any agencies personally. Would just remove and replace. Especially if not visible from a road.
Posted by cgrand
HAMMOND
Member since Oct 2009
38815 posts
Posted on 4/18/17 at 2:00 pm to
go get an old Fema trailer
tear off the structure down to the trailer frame
drag it into place
fasten timbers down over the frame
Posted by MWP
Kingwood, TX via Monroe, LA
Member since Jul 2013
10442 posts
Posted on 4/18/17 at 2:07 pm to
I'm in the pipeline construction business and we cross creeks all the time with vehicles/equipment. We use old rail cars for heavy equipment or if's just trucks or wheelers I would lean equipment mats run vertically.
Posted by upgrayedd
Lifting at Tobin's house
Member since Mar 2013
134865 posts
Posted on 4/18/17 at 2:08 pm to
quote:

I wonder if a large culvert would work

Probably need to contact the parish before dropping anything in a waterway
Posted by thedogman
Member since Dec 2008
2244 posts
Posted on 4/18/17 at 2:34 pm to
quote:

I wonder if a large culvert would work

Probably need to contact the parish before dropping anything in a waterway


Nerd alert
Posted by Boudreaux35
BR
Member since Sep 2007
21500 posts
Posted on 4/18/17 at 2:34 pm to
quote:

Probably need to contact the parish before dropping anything in a waterway


This is why I was asking what type of road access the location of the bridge. Is this a rural area? You may run into serious problems if you restrict a waterway that is a source of drainage. Causing backwater issues could result in serious lawsuits.
Posted by upgrayedd
Lifting at Tobin's house
Member since Mar 2013
134865 posts
Posted on 4/18/17 at 2:40 pm to
quote:


This is why I was asking what type of road access the location of the bridge. Is this a rural area? You may run into serious problems if you restrict a waterway that is a source of drainage. Causing backwater issues could result in serious lawsuits.


Yep, The drainage board and possibly the USACE could get up in your arse,
Posted by bayoudude
Member since Dec 2007
24958 posts
Posted on 4/18/17 at 2:40 pm to
Hopefully the waterway isn't under the jurisdiction of the Corps of Engineers. If so good luck doing things the right way quickly or cheaply.
Posted by Creamer
louisiana
Member since Jul 2010
2817 posts
Posted on 4/18/17 at 2:41 pm to
The primary access is on a 2 lane highway, not sure if parish or state. I'm considering building a house back there so I would want something I could move relatively heavy (concrete truck) vehicles over.

I hadn't considered an old rail car, I'll have to look into that.
Posted by Creamer
louisiana
Member since Jul 2010
2817 posts
Posted on 4/18/17 at 2:43 pm to
I think the waterway is too big for a standard culvert.
Posted by banone74
Member since Oct 2006
1123 posts
Posted on 4/18/17 at 2:44 pm to
Friend of mine has same problem. But he bought a shipping container & now its no problem, drive right over that sumbitch
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