Sterling Highway 45 – 60 Project

Spring 2022 Online Public Meeting

April 14 – May 12, 2022

Sterling Highway MP 45 – 60 Project

Spring 2022 Online Public Meeting

April 14 – May 12, 2022

Welcome!

Summer 2022 construction will focus on the current highway at Phase 1A (MP 56-58), the Pioneer Roads, and Tract C. Construction is anticipated to continue through fall 2022, and recreation access will be maintained throughout construction. Design continues on the middle and east end of the project.

For more information, visit sterlinghighway.net or email the project team at sterlinghwy@hdrinc.com.

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Let’s get started!

Station 1 - Project Overview Map

Welcome to the Sterling 45-60 Spring 2022 Online Open House Project Overview Map. Hover over the red magnifying circles to see project features.

Sterling Highway 45-60 Alignment Map
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West End (Phase 1A) West End (Phase 1A)

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Slaughter Gulch Trail Construction

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East End (Phase 1B) Under Design 

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Old and New Sterling Intersection Map

Intersection of Old and New Sterling Highway

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Recreation Access

Resurrection Pass Trail Updates

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Juneau Creek Bridge Under Design

Juneau Creek Bridge – Under Design

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New Alignment Map

Sterling Highway 45-60 Alignment Map
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West End (Phase 1A) West End (Phase 1A)

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Slaughter Gulch Trail Construction

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East End (Phase 1B) Under Design 

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Old and New Sterling Intersection Map

Intersection of Old and New Sterling Highway

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Recreation Access

Resurrection Pass Trail Updates

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Juneau Creek Bridge Under Design

Juneau Creek Bridge – Under Design

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New Alignment Map

Phase Segment Information

West End (Phase 1A)

West End (Phase 1A)

Phase 1A is under construction. Finishing touches are anticipated to take place in spring 2023.

Phase 1A Design Features:

  • 12-foot lanes
  • 8-foot shoulders
  • Wildlife undercrossings
  • Rock cuts with mesh retaining walls
Old and New Sterling Intersection Map

East End (Phase 1B)

Intersection of Old and New Sterling Highways

The design was finalized for the intersection at MP 47 connecting the Sterling Highway and the current (Old Sterling) highway as primary access into Cooper Landing.

East End (1B) – MP 45-47

East End (Phase 1B)

Under Design

  • The Quartz Creek Road intersection concept at MP 44.5 is finalized. The connection to the Kenai Peninsula Borough roads is in process.
  • Utility relocations are in process. Utility companies are to finalize the preferred utility relocation sites with property owners.
  • Construction of Phase 1B will coincide with Phase 3.
Juneau Creek Bridge Design

Juneau Creek Bridge (Phase 2)

Under Design

  • The Value Engineering Study has been completed; it evaluated cost and value of design concepts, including factors such as bridge height, aesthetics, constructability, and trail impacts.
  • Suggestions included changing bridge type to rigid structure to reduce cost, open line of sight near trails, and simplified construction and maintenance.
  • DOT&PF will use recommendations to adjust bridge design this spring.
Off Alignment Phase 3-6

New Alignment (Phases 3–6)

Design and Construction

  • Highway design is at 95%.
  • Features include new pathway along south side of new highway, wildlife crossings, and climbing lanes.
  • Land exchange is in progress.
Recreation Access

Recreation Access (Phases 3-6)

Resurrection Pass Trail

The parking configuration was adjusted based on feedback from United States Forest Service (USFS) and horse and snow machine user groups.

  • New parking and a dedicated left-turn lane will be constructed.
  • The new trail will connect the parking lot to Resurrection Pass trail with a separate equestrian access trail.
  • The new Juneau Falls Overlook will be accessible via a 1/4-mile trail from the parking lot.
  • The parking lot will accommodate the access road and include snow storage
Western Intersection Tight Diamond Interchange

Western Intersection (Phases 3-6)

Tight Diamond Interchange

  • Tight diamond interchange design selected for the intersection of new and old Sterling Highways at west end of Phases 3–6.
  • Design best for traffic safety and for minimizing impacts on cultural resources and wetlands.

     

Phase Segment Information

Click on the tabs below to learn more about each project phase.

Click the titles below to expand.

West End (Phase 1A)

West End (Phase 1A) 

Phase 1A is under construction. Finishing touches are anticipated to take place in spring 2023.

Phase 1A Design Features:

  • 12-foot lanes
  • 8-foot shoulders
  • Wildlife undercrossings
  • Rock cuts with mesh retaining walls

East End (Phase 1B)

 

Old and New Sterling Intersection Map

Intersection of Old and New Sterling Highways

The design was finalized for the intersection at MP 47 connecting the Sterling Highway and the current (Old Sterling) highway as primary access into Cooper Landing.

East End (Phase 1B - Under Design)

East End (1B) – MP 45-47 

Under Design

  • The Quartz Creek Road intersection concept at MP 44.5 is finalized. The connection to the Kenai Peninsula Borough roads is in process.
  • Utility relocations are in process. Utility companies are to finalize the preferred utility relocation sites with property owners.
  • Construction of Phase 1B will coincide with Phase 3.

Juneau Creek Bridge (Phase 2)

Juneau Creek Bridge Design 

Under Design

  • The Value Engineering Study has been completed; it evaluated cost and value of design concepts, including factors such as bridge height, aesthetics, constructability, and trail impacts.
  • Suggestions included changing bridge type to rigid structure to reduce cost, open line of sight near trails, and simplified construction and maintenance.
  • DOT&PF will use recommendations to adjust bridge design this spring.

New Alignment (Phases 3–6)

Off Alignment Phase 3-6 

Design and Construction

  • Highway design is at 95%.
  • Features include new pathway along south side of new highway, wildlife crossings, and climbing lanes.
  • Land exchange is in progress.

Recreation Access (Phases 3-6)

Recreation Access

Resurrection Pass Trail

The parking configuration was adjusted based on feedback from United States Forest Service (USFS) and horse and snow machine user groups.

  • New parking and a dedicated left-turn lane will be constructed.
  • The new trail will connect the parking lot to Resurrection Pass trail with a separate equestrian access trail.
  • The new Juneau Falls Overlook will be accessible via a 1/4-mile trail from the parking lot.
  • The parking lot will accommodate the access road and include snow storage

Western Intersection (Phases 3-6)

Western Intersection Tight Diamond Interchange 

Tight Diamond Interchange

  • Tight diamond interchange design selected for the intersection of new and old Sterling Highways at west end of Phases 3–6.

  • Design best for traffic safety and for minimizing impacts on cultural resources and wetlands.

Station 2 - Design Updates

Choose the left and right arrows to navigate this section.

Swipe left to right to navigate this section.

Station 3 - Watershed Connectivity

Hydrology Map

    Hydrological mapping is complete. Wetlands are maintained, and culverts, ditches, and wildlife passages will provide watershed connectivity throughout the project area.

    Station 4 - Schedule & Project Next Steps

    Project Schedule

    Field work, design, and construction activities are underway along the project corridor.

     Winter field work at bridge abutments is complete.

    • Permitting coordination with agencies is underway for construction activities.
    • Summer 2022 construction will focus on Phase 1A (MP 56 to MP 58), Pioneer Roads, and Tract C.
    • Water quality testing continues upon request.
    • Wildlife camera work is ongoing.
    • A large archeology crew is in the field this season completing construction monitoring and data recovery. Findings will be published publicly as allowed on a semiregular basis.

    Schedule

    Project completion will likely occur in 2027.

    Right-of-Way

    Coordination with property owners is well underway. Property appraisals are continuing on Phase 1B. The project is coordinating with Kenai Peninsula Borough and USFS to gain access to alignment on existing roadways. Phases 3–5 will not impact private property owners.

    Station 5 - Construction

    2022 Construction Map

      2022 Construction

      • Summer 2022 construction focuses on Phase 1A (MP 56 to MP 58), Pioneer Roads, and Tract C.
      • Scarsella Bros. are continuing Phase 1A construction.
      • Quality Asphalt Paving was selected as the new Construction Manager/General Contractor and will be working on Pioneer Road and Tract C construction.
      • Recreation access will be maintained throughout construction.

        Know Before You Go

        DOT&PF will notify the public about upcoming construction.

         Project and road condition information

        • AlaskaNavigator.org – construction status. Search for the Sterling Highway MP 45-60 project.
        • 511.Alaska.Gov – road conditions – select “My 511” to create an account and sign up for alerts to your phone or email
        • Sterlinghighway.net – project updates

        Sign up now to receive alerts about changes to traffic patterns so you can plan your travel.

        Station 6 - Public Meeting Video

        Station 7 - Contact Us & Mailing List Sign-up

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        Sterling MP 45-60 Website

        Visit the Project Website

        www.sterlinghighway.net

        Phone Icon

        Give us a call

        Construction questions?
        Shaun Combs, DOT&PF
        907-351-0501

        Project questions?
        Katherine Wood
        907-644-2153

         

        Supporting Documents

        The documents below support the information displayed throughout this online public meeting. You will need a PDF reader to view these documents. Download a free version at Adobe’s website. 

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