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Question DetailsAsked on 8/22/2013

Need someone to replace a 8" x 12' culvert in a gravel driveway

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2 Answers

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Hello, this is Kiel from Angie’s List. Although Angie's List doesn't directly endorse any companies, we do have almost 2 million members who’ll tell you who’s the best company to hire! Unlock access to read their reviews of Driveway providers in your area by joining Angie's List with promo code ANSWERS and get 20% off your annual membership!

Thanks so much!

Answered 6 years ago by KielH

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Most driveway paving companies do this, though you will have to put up with them trying to convince you to pave your drive.

A small general excavation contractor can also do it, as can a large sewer and drain contractor with heavy equipment.

Be sure to check with your local (and state, if state highway) road department and building department - there are likely now (if not when it was first put in) design and setback requirements you have to meet and permits required, which may mandate a longer and larger culvert - commonly 12" minimum with inlet and outlet flares and minimum 20-24' long. They may also now mandate paving the first so many feet of your driveway, or even the entire thing.

I am sure you have figured out it was set too shallow, and needs to either be heavier duty or deeper or have a reinforced concrete cover to avoid crushing, especially as you should allow for a fully loaded asphalt or concrete truck as your design load, because some day the drive will be paved.

I would emphatically recommend that if you garage is 2-car and the drive is not very long, so the drive may some day be made two-car width, that you consider upgrading to a 20-24' culvert to allow for future drive widening - cost typicallyabout $15-20/LF installed so not that much to lengthen - maybe even less if your county install them for you. (Some counties will install a new culvert you provide to their specs, to improve their ditch drainage).

Answered 6 years ago by LCD




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