Creek Turnpike Study and Widening

Tulsa County, OK

Our team expedited a massive widening project design with minimal effects on traffic of the environment.

The Creek Turnpike Widening project featured design and plan production for widening nearly eight miles of roadway from four lanes to six by adding two lanes along the center median. The project called for limited traffic disruption despite the need to widen 20 bridges. Further, the timeline to design and let the project for construction was compressed from the original 15-month design effort to eight months to meet the needs of the client, the Oklahoma Turnpike Authority (OTA). Environmental concerns that limited construction on certain project segments to specified months of the year had to be factored into the project design and the suggested sequence of construction.

Innovation and communication were instrumental in the successful plan.

Design activities, coordination with affected public and private agencies, and communication with the OTA were streamlined. Special attention was given to designing a solution that would minimize the impact of construction on traffic. The Benham team employed the innovative solution of strengthening existing pier caps with fiber wrap composite products, allowing most of the existing bridges to be used and preventing the need for temporary bridges or closing additional lanes. Four lanes of traffic (two lanes eastbound and two westbound) and all interchange access to and from the Creek Turnpike remained open throughout construction. Only minor disruption to cross-street traffic was required during the overhead placement of bridge beams, and widening occurred without any interruption to the toll-collection capability.

The client opened a vastly improved highway on schedule.

OTA was able to open this nearly eight-mile stretch of the Creek Turnpike on schedule. The mainline median widening transformed the existing 46-foot-wide median from an open, depressed grassed median into a paved median consisting of an additional traffic lane and inside shoulder in each direction. In addition to increasing capacity, additional lanes and the installation of a concrete median barrier improved the safety of this Creek Turnpike segment. Aesthetically pleasing sound and screen walls built to benefit the residential areas along the widened turnpike have been viewed favorably by the public.

  • Honor Award from American Council of Engineering Companies (ACEC)
  • Design and plan production for approximately 41,400 linear feet of mainline widening of the existing four-lane roadway to six lanes by adding two lanes along the center median
  • Widening ten pairs of existing Creek Turnpike Bridge (20 bridges)
  • Originally planned 15-month design effort was compressed to 8 months to meet the client’s needs
  • Survey
  • Geotechnical investigations
  • Utility relocation
  • Right-of-way documents
  • Lighting
  • Drainage and surfacing
  • Signalization
  • Public involvement
  • Traffic flow remained open at all times
Vice President & Division Leader – Transportation

Related Projects

Benham did exceptional work in the preparation of design plans and responding to construction related issues for the expansion project on the Creek Turnpike in Tulsa. On the day that the contract was awarded to Benham by the Oklahoma Turnpike Authority, the design duration was compressed to 8 months."

David Murdock, PE
Chief Engineer, Oklahoma Turnpike Authority
Bridge underpass beneath the Creek Turnpike

Benham did exceptional work in the preparation of design plans and responding to construction related issues for the expansion project on the Creek Turnpike in Tulsa. On the day that the contract was awarded to Benham by the Oklahoma Turnpike Authority, the design duration was compressed to 8 months."

David Murdock, PE
Chief Engineer, Oklahoma Turnpike Authority
Aerial photo of Creek Turnpike

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