Rodney L. Ellsworth,  PLS  ,  Managing Member



EDUCATION:  Idaho State University Engineering Program


REGISTRATION:   ProfessionalLand Surveyor in the State of Idaho  (10944 PLS)                             


MEMBERSHIP:   Idaho State Professional land Surveyors ( ISPLS)


EXPERIENCE:          1974-1988       Ellsworth Engineering Inc.

                                  1988-2001       Mountain River Engineering, Inc.  

                                   2003-present   Ellsworth & Associates, PLLC


Major Projects: U.S. Corps of Engineers Ririe Dam Diversion Channel, Cyprus Thompson Creek Housing Project in Challis,Idaho. GemState Hydroelectric Project.  Anheuser-Busch Malt Plant. Idaho FallsAirport, DriggsAirport. ChallisAirport. HaileyAirport and EG&G fiber optic line, Rigby High School, Pourtneuf Regional Hospital, INL Research & Education Lab, INL Testing & Demonstration Facility, Lowes, LDS Churches.




Fred W. Wallin           PE




Consulting Engineer

Engineer/Project Manager/Survey Party Chief

  • Design & Layout of Hitt Road and Lincoln road street improvements for Bonneville County, including contract documents and design of roundabouts.
  • Design, Layout and Inspection of City and County Subdivisions including: calculation of Plats, Design of Water, Sewer and Drainage systems; Roadway design; earthwork Quantity calculations.
  • Inspection for the Idaho Falls Airport Safety Improvement Project to extend main runway and build new taxiway with light system.  Duties included:  Monitoring of earth-fill, paving and air traffic as consultant to Sverdrup Coporation,St Louis,MO.
  • Design, drafting and layout of shopping centers and commercial sites.
  • Drafting, quantity calculation, contouring support of INEEL construction layout and earthwork projects including: Pit 9 – Whole  Complex (RWMC), Fire line Upgrade (TAN), Landfills (NRF), Van Buren Blvd. (Highway to EBR I), AND Waterline (CFA Loop).
  • Calculation, fieldwork and drafting for property surveys. Inter company flood plain specialist.
  •  Surveying and material testing for pavement replace/overlay          on West Entrance Road,Yellowstone National Park.
  • Field Engineer for designers and builders of $50M Anheuser Busch barley malting plant inIdaho Falls. Duties included layout, monitoring of equipment deliveries and design/detail drawings.  Quality control and ordering structural steel and rebar.
  • Design, drafting and inspection for new city subdivisions; produce corridor study and environmental assessment for major arterial street upgrade.
  • Computation and monitoring of pay quantities; inspection duties including concrete/rebar placement and placing grout curtain under earth-fill dam as consultant to CH2M-Hill Engineers, designers of 22MW Hydro Project.
  • Compaction testing and sieve analysis of soils; field testing of concrete; construction and property surveying.
  • Inspector for construction of FMC Corp.  double-lined sludge pond with leak detection system.
  • Industrial plant engineering; structural design in structural steel, plate and reinforced concrete; earthwork and containment and monitoring system design of sludge ponds; design, drafting and checking.
  •   Preliminary and construction surveying of logging roads.
  • Logging road and major road surveying.