Building a Freeway

Hell Canyon
Check out our new video showing how crews place massive girders for the new Hell Canyon Bridge.
Construction Truck
Ever wonder what it takes to move one million cubic yards of rock and dirt?
Road paint truck
Watch today’s video and you may never look at pavement markings in the same way ever again!
Batch Plant
Here we are, blogging about pavement … again! When we told you there’s a lot to learn on the subject, we weren’t joking ...
Workers smooth concrete surrounded by rebar framework for walls
Forms - ADOT Construction Manual We were perusing the ADOT Construction Manual just recently (because, really, who doesn’t enjoy reading a good manual every now and then?) and we came across a passage that terrifically sums up ADOT’s Project Development Process ...
Crane moves box girder into position.
As you can see in the video above, girders are the concrete and steel beams that enable the bridge to support the roadway and the vehicles on top of it. They’re vital to the design of a bridge, but not all girders are the same…
You probably don’t think much about drainage when you’re driving, but a well-designed drainage system can increase the lifespan of a highway and help keep the public safe. We’ll blog about how these systems are designed and maintained soon, but today we just want to give you a quick glimpse of the types of drainage solutions used on a project like the Loop 303/I-10 interchange.
Placing Portland Cement Concrete Pavement (PCCP) is one of the final steps involved when building a road, but it’s far from an afterthought…
Backhoe dumps dirt to create soffit fill
When you’re building bridges, there’s more than one way to get the job done... We told you a few months ago about a method that utilizes false work and sand jacks. Today, we’re going to fill you in on a different approach … the key terms to remember are soffit fills and waste slabs.
Constructing a temporary bypass on Loop 303
Remember this awesome time-lapse video showing the construction of a temporary bypass at Greenway Road and the Loop 303? Well, today we’ve got an even more in-depth look at how crews built the new intersection – complete with temporary barriers, fences and traffic signals – in just about 43 hours! (Take a look at the photos below for an amazing before and after aerial glimpse of the new bypass!)

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