Project Location: Emery County (I-70 Green River West)

Project Start: August 28, 2023

Project Completion: October 24, 2023

Key Project Team Members:

• Dan Hinckley, UDOT — District Engineer
• Jared Dastrup, UDOT — Region Materials Engineer
• Cody Marchant, UDOT — Pavement Manager
• Trapper Burdick, UDOT — Resident Manager
• Trudi Morrey, UDOT — Field Engineer
• McCoy Hurst, UDOT — Level IV Inspector
• Brandon Wilberg, UDOT — Level III Inspector
• Ben Farnsworth, UDOT — Level III Inspector
• Paul Foster, Intermountain Slurry Seal Inc. — Area Manager
• Shawn Fielding, Intermountain Slurry Seal Inc. — Senior Project Manager
• Carter Hanson, Intermountain Slurry Seal Inc. — Project Manager
• Intermountain Slurry Inc. — Microsurfacing
• Diamond Road — Road Smoothing
• Garco Testing — Materials Testing Mix Design
• Ellis Co. — Road Profiling
• Straight Stripe — Pavement Marking Pain Iteams, Signs, Delineators
• AAA Barricade — Traffic Control

Overview

The UDOT I-70 project addressed several issues. The asphalt was due for a pavement maintenance treatment. There were various areas with ruts in the travel lanes in each direction of the Interstate. The ruts varied in depth from ¼” to ¾”, with the most severe in the outside lanes. The project design was to eliminate the ruts and increase the MRI. This consisted of Road Smoothing (grinding) the outside lanes in each direction, Microsurfacing Scratch Course — Rut Filling specific areas identified with ruts and placing Microsurfacing on the entire width of the road. Additionally, new delineators, signs and pavement markings were applied.

This project had UDOT’s Price + Time (time component) specification and was estimated for 60 to 90 working days. The project was completed within the minimum of 60 days and received the maximum of three days of incentive.

What Makes the Project Unique

This project was unique in that Road Smoothing had been used on previous projects but not in this application. This section of I-70 was rutted and had ride issues (bumpy), and by incorporating the Road Smoothing and Microsurfacing, the result corrected the ruts and ride issues and extended the life of the asphalt for years to come. Both the Road Smoothing and Microsurfacing received incentives for improving the MRI. Per the design, Intermountain Slurry Seal was able to “save” the rumble strips and still treat them with Microsurfacing, which reduced the cost of the project as new rumble strips did not need to be cut.