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Plan for 24-hour lane restrictions on US 180 between Holbrook and St. Johns beginning Sept. 14 as bridge replacement project begins

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Expect delays

The Arizona Department of Transportation advises drivers to prepare for 24-hour lane restrictions along US 180 between Holbrook and St. Johns starting Monday, Sept. 14, as a project begins to replace two bridges.

Drivers should expect the following 24-hour restrictions to be in place:

  • US 180 will be reduced to one lane only at both the Five Mile Wash Bridge (milepost 309) and Little Colorado River Bridge (milepost 310) with alternating east- and westbound travel directed by temporary traffic signals and onsite flaggers. 
  • Drivers should slow down and expect frequent stops and delays of up to 15 minutes when approaching and moving through the work zones.
  • A 10-foot vehicle width restriction will be in place during construction.

The 24-hour lane restriction is scheduled to be in place for both bridges through the end of March 2027. The 24-hour restriction will remain in place at the Little Colorado River Bridge through the end of July 2027.

The project is anticipated to be completed by fall 2027.

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US 180 Five Mile Wash and Little Colorado River Bridge Replacement

US 180 Five Mile Wash and Little Colorado River Bridge Replacement

Contents

  1. Overview
  2. Project Map
  3. Project Elements
  4. What to Expect During Construction
  5. Stay Informed

Project Cost: $9.1 million

Overview

The Arizona Department of Transportation is currently working on a project to replace the Five Mile Wash Bridge and the Little Colorado River Bridge along US 180 near Holbrook. The bridges are located southeast of downtown Holbrook at mileposts 309 and 310 respectively on the way to the city of St. Johns. 

The project is expected to be completed by fall 2027.

Project Map

US 180 Five Mile Wash and Little Colorado River Bridge Replacement Map

Project Elements

The purpose of this project is to replace the existing bridges with new structures that will allow the highway to continue to serve drivers. The work will include:

  • Removing the existing bridges and constructing a new concrete box culvert over Five Mile Wash (milepost 309) and a new bridge at the Little Colorado River (milepost 310).
  • Roadway improvements at the bridge approach and departure to match new deck elevations.
  • Replacing pavement markings, signing, guardrail and other related work.

What to Expect During Construction

US 180 will be reduced to one lane only with alternating east- and westbound traffic that will be controlled by a temporary traffic signal at both Five Mile Wash and the Little Colorado River throughout the duration of the project.  

Drivers will need to slow down and expect frequent stops and delays of up to 15 minutes when approaching the work zone.

ADOT will post information about traffic restrictions and closures as it becomes available. To receive traffic alerts and other updates by email, please subscribe here.

You can also stay informed of real-time, project-related traffic restrictions by visiting az511.gov or call 511, except while driving.

Schedules are subject to change because of weather or other unforeseen factors. Remember to slow down and use caution around construction workers and equipment. 

Stay Informed

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Subscribe to receive traffic alerts and project updates directly to your email.

  • Email/Phone: Contact Community Relations Project Manager Ryan Harding at [email protected] or 602.550.8397
  • Línea Bilingüe de Información del Proyecto ADOT: 855.712.8530
  • Mail: Ryan Harding, ADOT Community Relations, 1655 W. Jackson St., MD 126F, Phoenix, AZ 85007.

Contents

  1. Overview
  2. Project Map
  3. Project Elements
  4. What to Expect During Construction
  5. Stay Informed