I-10 Gila River eastbound bridge deck concrete pour completed

Construction crews hit a major milestone on the Interstate 10 Wild Horse Pass Corridor Project, finishing the bridge deck for the eastbound span over the Gila River between Phoenix and Casa Grande.

The Arizona Department of Transportation announced that workers recently completed the final concrete pour for the second half of the quarter-mile-long eastbound bridge deck.

Over the course of about a month, crews poured more than 1,350 cubic yards of concrete across a 62-foot span. The poured concrete weighs roughly 2,734 tons, which ADOT said is equivalent to the capacity of 135 fully loaded concrete trucks.

With the deck complete, crews are turning their attention to the next phase of the build where workers will install the approach slabs at both ends of the eastbound structure, complete the deck joints and construct the bridge barriers, which will feature aesthetic design elements.

What’s next for the I-10 Gila River bridge replacement?

Replacing the eastbound and westbound I-10 bridges over the Gila River serves as the initial phase of the larger Wild Horse Pass Corridor Project. Both of the original structures were built more than 60 years ago.

Work on the twin replacement bridges kicked off in May 2024 and remains on track to finish this October.

Once open, each new structure will offer three travel lanes alongside wider shoulders. The new bridges are also built higher than the previous structures, allowing higher volumes of water to pass underneath the highway during heavy flows.

The bridge work marks the first of four distinct segments planned for the 26-mile corridor expansion. State transportation officials expect all four phases of the I-10 project to be completed by late 2030.

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