Parsons Corporation announced that it has been selected as the lead designer for the Interstate 70 Rocheport‑to‑Columbia design‑build project in Missouri. The $441 million contract will add a third lane in each direction, modernize bridges and interchanges, and improve pavement across the corridor. Construction is scheduled to begin in mid‑2026 and is expected to be completed by December 2029, giving Parsons a stable, multi‑year engagement that will generate significant revenue for the company’s critical‑infrastructure segment.
The win is a key driver of Parsons’ recent growth in the critical‑infrastructure business. In the first quarter of 2025 the segment generated $712 million in revenue, up 14% from the prior year, and in the third quarter it grew 18%. The new I‑70 contract will add a substantial portion of that growth trajectory, reinforcing the company’s position as a leading provider of integrated engineering and program‑management services for large‑scale transportation projects.
Parsons’ president of Infrastructure North America, Mark Fialkowski, said the company’s experience on multiple I‑70 modernization efforts across Missouri positions it well to deliver on the project. “Our team has delivered multiple I‑70 modernization efforts across the state, and we look forward to continuing to work with MoDOT to provide a safer, more reliable corridor for travelers, residents, and businesses,” he said.
The contract is part of Missouri’s broader “Improve I‑70” program, which aims to upgrade the entire corridor with a third lane in each direction and is funded by $2.8 billion in general revenue. Parsons and its partner Emery Sapp & Sons were selected as the apparent best‑value proposer from three shortlisted design‑build teams, underscoring the company’s competitive advantage in this delivery method.
The design‑build approach, which combines design and construction under a single contract, is intended to reduce timelines and costs. Parsons’ prior work on the I‑70 Warrenton‑to‑Wentzville project and the Rocheport Bridge replacement demonstrates its capability to manage complex, high‑profile infrastructure projects, giving the company a strong track record that likely contributed to its selection for this contract.
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