State Highway 6 – 4 Lane Reconstruction Project Type: Roadway Design, Traffic Engineering and Survey About this Project EST provided design services for transitioning 3.5 miles of an existing two lane highway to a four lane divided highway facility. This project...
Chickasaw Travel Stop – Davis Oklahoma Client: Chickasaw Nation Project Type: Construction Materials Testing Services: Site Development, Geotechnical, and Materials Testing About this Project EST worked extensively with the Chickasaw Nation providing...
Chickasaw Travel Stop – Winstar Casino Client: Chickasaw Nation Project Type: Construction Materials Testing Services: Site Development, Geotechnical, and Materials Testing About this Project EST worked extensively with the Chickasaw Nation providing quality...
City of Duncan Water Treatment Plant Client: City of Duncan Project Type: Water/Wastewater About this Project EST provided an engineering study and report for the rehabilitation of the existing North Plant and South Plant and implementation of enhanced coagulation...
Duncan Bypass Project Type: Structural Design About this Project EST designed the new Duncan Bypass with three bridges, approach roadways and crossovers utilizing both offset and parallel alignments. The bridges included three pre-stressed concrete beam spans with 42...
