State Route 85, Interstate 8 Thayer Road Drainage Improvements
State Route 85, Interstate 8 Thayer Road Drainage Improvements
Contents
Overview
The Arizona Department of Transportation is improving drainage on State Route 85 near Gila Bend between milepost 1 and milepost 3. The work consists of making improvements to existing concrete box culverts at five locations.
Project Fact Sheet
Project Area Map
Project Elements
- Replacing existing pavement
- Improvements to existing concrete box culverts at five locations
- Removing existing guardrail and fence
- Place rip rap; a layer of large stones used to protect soil from erosion
- Installation of pavement markings
Project Schedule
The project began September 2024 and is anticipated to be complete spring 2025. ADOT will provide advance notice of restrictions and closures to email subscribers and on the project traffic alert web page.
Stay Informed

Schedules are subject to change based on weather and other unforeseen factors. Subscribe to receive project updates and traffic alerts by email. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or submit a question or comment by email. For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at www.az511.gov, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.