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Forms for concrete arch bridge

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Project by fredinmt posted 05-04-2010 05:20 AM 4348 views 4 times favorited 24 comments Add to Favorites Watch

The finished product isn’t actually a woodworking project but getting there required a lot of woodworking.

We had an old railroad car for our driveway bridge that was about to fall in. I always wanted a stone arch bridge so I came up with this.

By far the most fun project I’ve done.

It spans about 13 feet. It’s been tested with fire trucks and a concrete truck!

-- http://logdovetailjig.com





24 comments so far

View JAGWAH's profile

JAGWAH

929 posts in 1771 days


#1 posted 05-04-2010 06:01 AM

Very fun. I’ve done a lot of concrete form work and a bit of fancy. Very nice job.

-- ~Just A Guy With A Hammer~

View Brandon's profile

Brandon

4139 posts in 1638 days


#2 posted 05-04-2010 06:05 AM

Nice bridge! Now you can modify the old forms and sell it as a skateboard ramp. :-)

-- "hold fast to that which is good"

View ScottMorrison's profile

ScottMorrison

136 posts in 1664 days


#3 posted 05-04-2010 06:51 AM

Great project Fred. Looks strong and beautiful.

By the way, whereabouts in MT are you? I’m in Stillwater county, just outside of Columbus. I thought I recognized that spectacular country.

-- Scott Morrison, Montana, http://www.finewoodworker.com

View ND2ELK's profile

ND2ELK

13495 posts in 2461 days


#4 posted 05-04-2010 08:51 AM

Impressive looking bridge. Very nicely done. Thanks for posting.

God Bless
tom

-- Mc Bridge Cabinets, Iowa

View TopamaxSurvivor's profile

TopamaxSurvivor

14862 posts in 2363 days


#5 posted 05-04-2010 10:35 AM

Looks like fun. Welcome to LJ!

-- "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View childress's profile

childress

841 posts in 2229 days


#6 posted 05-04-2010 04:21 PM

I’m curious how a firetruck can get over that? It looks too short with too steep of an angle…

-- Childress Woodworks

View CaptainSkully's profile

CaptainSkully

1190 posts in 2245 days


#7 posted 05-04-2010 04:24 PM

That’s very freaking cool!

-- You can't control the wind, but you can trim your sails

View Paul's profile

Paul

347 posts in 2276 days


#8 posted 05-04-2010 04:36 PM

Awesome bridge, well done!

-- If you say 'It's good enough', it probably isn't.

View RexMcKinnon's profile

RexMcKinnon

2593 posts in 1882 days


#9 posted 05-04-2010 08:42 PM

You never know what you will see on LJ. Cool.

-- If all you have is a hammer, everything looks like a nail!

View David's profile

David

176 posts in 2402 days


#10 posted 05-04-2010 09:58 PM

Excellent ! I am curious if you had any numbers run on it regarding load capacity in case you do need the Fire Truck to cross it. Once you back fill your grade; it will be very strong but some trucks are reluctant to cross anything “home built” no matter how good a job you do. The insurance companies always look for an “out”.
Still: very nice. Did the stone facing go on after it was all set up?

-- Islandwoodworker@Gmail.com

View fredinmt's profile

fredinmt

13 posts in 1632 days


#11 posted 05-05-2010 02:03 AM

Hey Scott- I’m near Helena. I really like the Columbus area. I used to spend alot of time in the Beartooth Wilderness. (Damn the wolves!)

Childress- the photo I had up before showed the bridge before backfilling. I put some other pictures on.

David- Actually, I am a bridge engineer so I ran the numbers! It’s designed for 20 tons. I’ve got a picture of a firetruck on it here somewhere.

-- http://logdovetailjig.com

View fredinmt's profile

fredinmt

13 posts in 1632 days


#12 posted 05-05-2010 02:06 AM

Hey Scott- I’m near Helena. I really like the Columbus area. I used to spend alot of time in the Beartooth Wilderness.

Childress- the photo I had up before showed the bridge before backfilling. I put some other pictures on.

David- Actually, I am a bridge engineer so I ran the numbers! It’s designed for 20 tons. I’ve got a picture of a firetruck on it here somewhere.

I have a video slideshow of the project on youtube:

http://www.youtube.com/watch?v=yhGiFJCORho

-- http://logdovetailjig.com

View Karson's profile

Karson

34891 posts in 3087 days


#13 posted 05-05-2010 05:28 AM

Great looking bridge.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View Napaman's profile

Napaman

5361 posts in 2764 days


#14 posted 05-05-2010 05:36 AM

that is cool…the first cement shot I was thinking—-that is one steep foot bridge…but that turned out great…

-- Matt--Proud LJ since 2007

View a1Jim's profile

a1Jim

112299 posts in 2264 days


#15 posted 05-05-2010 05:40 AM

Nice form work. The bridge turned out super.

-- http://artisticwoodstudio.com Custom furniture

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