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Heavy Highway Construction, Topsoil, Asphalt, Fill Material, Idaho: Pancheri Overpass

Project Name: Pancheri Overpass

Project Owner: City of Idaho Falls and Idaho State Transportation Department

Project Location: Idaho Falls, Idaho

Completion Date: November 2012

HK Contractors began work on the Pancheri Drive Overpass Project in May. The project entails a complete construction of a new overpass and related roadway and demolition of existing overpass and roadway.  The overpass bridges Interstate 15 on Pancheri Drive, which is a major thoroughfare for the Idaho Falls community. The overpass itself comprises full bridge construction including supports and abutments, ramp shoulders, girders, bridge reinforcement and deck, MSE walls and drainage systems.

HK Contractors is also responsible for installing utility items including storm sewer, sanitary sewer with 31 manholes and a lift station, water lines and a storm water drainage pond. The project also includes pedestrian pathways and sidewalks, intersection reconstruction with traffic signal installation, 41 approaches, illumination installation, topsoil placement and landscaping design.

Other specialty project items include the realignment of Pioneer Road, which previously ran adjacent to the overpass.  At the conclusion of this project, Pioneer Road will run underneath the overpass, parallel to the interstate, eliminating the previous intersection of Pancheri Drive and Pioneer Road.  HK Contractors also supervised residence demolition which was required to accommodate turn lanes at the Pancheri Drive/Skyline Drive intersection.

The most significant innovation used was a rolling stop strategy employed during the setting of bridge girders.  It was a requirement  that Interstate 15 remain at least partially open in both northbound and southbound lanes at all times during the project. HK Contractors and subcontractors determined the time needed to deliver and place each individual bridge girder.  Since traffic could not be completely rerouted off of Interstate 15 at any time, a joint collaboration between HK Contractors and subcontractors, Idaho State Police and Idaho Transportation Department devised the rolling stop strategy for traffic control.

The team’s collaboration allowed four nights of the rolling stops and 19 girders were placed. The process was very successful to safely maintain through-traffic on Interstate 15.

  • 73,800 cubic yards granular borrow
  • 11,400 tons asphalt
  • 3,833 feet storm sewer pipe
  • 563 feet sanitary sewer pipe
  • 10,102 square feed MSE retaining walls
  • 303,563 pounds rebar for metal bridge reinforcement
  • 9,300 lineal feet curb and gutter
  • 38,300 square yards topsoil
  • 302 trees installed

To view more photos of this project, visit HK Contractors on Facebook.

Fourth of July Memorial Drive 2

Asphalt, Utilities, Road Reconstruction: Memorial Drive Improvements

Project Owner:  City of Idaho Falls

Comletion Date: November 2012

Project Location:  Idaho Falls, Idaho

HK Contractors will complete general improvements and reconstruction of Memorial Drive, including reconstruction of existing road and utilities, expansion of the Idaho Falls Greenbelt and creating a location for future community events: art festivals, outdoor concerts and other miscellaneous functions such as the annual Rotary Club Duck Races.

Shoup-A St. northeast corner

Idaho Falls Shoup Ave. and A Street Reconstruction–Asphalt Paving, Roadbase

Owner: City of Idaho Falls

Completion Date: September 23, 2011

Location: Idaho Falls, Idaho

HK Contractors was responsible for the reconstruction of the Shoup Avenue and A Street intersection in Idaho Falls. Work included removal of six existing trees, installation of new water line, water services, fire hydrants, curb & gutter, sidewalk, new roadway installation, 13 new trees, decorative pavers, decorative rock enclosure and decorative light poles. HK Contractors supplied 768 tons of gravel and 277 tons of hot-mix asphalt for the project.

HK’s crews and subcontractors worked dilligently to meet project requirements. The intersection has always been very busy. Business owners were very concerned about accessibility and crews worked late nights and weekends in order to minimize impacts. The Idaho Falls Downtown Development Corporation praise HK Contractors for a job well done, saying, “We truly felt like you listened to our concerns and followed through on all our suggestions to make this improvement as painless as possible for the downtown. Your ability to get everything completed and the roads back open within the time frame first agreed upon was very helpful and appreciated.”

Click to read more about the Idaho Falls Shoup Avenue and A Street Reconstruction.


Yellowstone National Park, Grand Loop Road from Madison to Norris–Highway Paving, Road Reconstruction, Hot-Mix Asphalt

Owner: Western Federal Lands Highway Division

General Contractor: HK Contractors

Completion Date: October 2010

Location: Yellowstone National Park near West Entrance of Yellowstone National Park, Wyoming

The scope of the project included milling and removal of a road and bridge constructed in the 1920s, installation of a new road and bridge to divert traffic from the pristine Gibbon River, paving a major complex parking area with three pedestrian viewing areas, restoration of extensive vegetation in sensitive environmental areas, positioning boulders and landscape logs in picnic areas and placement of bio-degradable wattles for erosion control. HK Contractors completed highly skilled excavation with cuts as high as 124 feet to allow for accessible parking areas and trails. Work was completed within wetlands, geothermal areas, thermal seeps and thermal cores. The work schedule anticipated 25,000 vehicles per week travelling through the construction zone in the high tourist summer season.

  • 270 meters curb & asphalt removed
  • 30 boulders up to 10 tons in size removed
  • 21,000 cubic yards excavation used to reclaim two disposal areas
  • 11,300 tons cold recycled asphalt base course
  • 10,100 tons hot-mix superpave
  • 2,650 tons hot-mix xuperpave

HK Contractors was honored with multiple awards from Western Federal Lands for the excellent work completed on the project. Click to read the press release.