Service: Roadway Engineering

US-270 Widening

This was a turn key project to widen US-270 from 2 lanes to 4 lanes with several constraints and challenges in Seiling, OK.

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Olive Avenue Widening

The project included the reconstruction of approximately one mile of arterial roadway to widen the existing 2-lane open section roadway to a 5-lane roadway with curb and gutter.

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SH-9 Cleveland County

Design services provided by CEC included the NEPA Clearance, including a public meeting, and roadway and bridge design plans for this project.

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SH-9 Construction

This project represents the largest single contract in ODOT’s history, and includes only one of three SPUI interchanges in the state of Oklahoma.

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John Kilpatrick Turnpike

CEC’s Construction Engineering and Inspection team represented the Oklahoma Turnpike Authority (OTA) in delivering this large corridor project to the patrons of the Pikepass system.

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I-40 Pottawatomie County

The I-40/SH-102N interchange in Oklahoma will be reconstructed to improve the geometry of the ramps. Services provided by CEC include bridge design, roadway design, traffic control and project sequencing.

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Washita River Bridge Replacements

This project includes the replacement of four existing truss bridges over the Washita River. Bridge spans range from 90’-200’, including both simple and continuous span designs.

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