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I-25 / 144th Avenue Interchange

Client

City of Westminster and Thornton

  • Designed as sister structure to the 136th Avenue / I-25 Interchange
  • Conducted hydrologic and hydraulic analysis for roadway drainage and erosion control
  • More than 9,500 feet of storm sewer designed to drain the new interchange, 144th Avenue, portions of Washington Street and offsite contributing flows
  • Water quality facilities at the interchange and the ultimate outfall for the storm sewer prior to Big Dry Creek
  • Prepared the CLOMR-F for the McKay Lake Drainage Way crossing at Bull Canal