I-70 Bridge Repairs in Arapahoe County

About the Project

The Colorado Department of Transportation, in partnership with Structures Inc., will begin work on the Interstate 70 bridge rehabilitation and deck repair project on Sept. 8, 2025. This project is located southeast of Byers on I-70 from Milepoint 323.1 to 325.3.

Work consists of:

Bridge deck repairs at four structures
Full depth concrete pavement reconstruction at bridge approaches
Girder and column repairs

The project is expected to complete in September 2026.

Work this Week & Lane Closures for I-70 Bridge Repairs in Arapahoe County

Project Facts

Construction Cost: $7.2 million
Contractor: Structures Inc.
Timeline: September 2025 to September 2026
Location: I-70
- Nearest Town/City: Byers
- Mile Point(s): MP 323.13 to MP 325.3
- County: Arapahoe

Map showing where the I-70 bridge repairs project is located on I-70 southeast of Byers from MP 323.1 to 325.3

Project Benefits

Once completed, the project will improve the integrity of the four structures, and help maintain safe driving conditions.

Work Schedule

Different from the traffic impacts, this should be the general working hours and schedule of the project. Example:

Work will occur during daytime hours, Monday through Sunday, 7 a.m. to 7 p.m.
24/7 lane closures on I-70 from MP 323.1 to 325.3 from Sept.15, 2025 through Nov. 21, 2025

Traffic Impacts

Motorists and area residents can expect the following impacts during construction:

Work will occur during daytime hours, Monday through Sunday, 7 a.m. to 7 p.m.
24/7 lane closures on I-70 from MP 323.1 to 325.3 from Sept. 15, 2025 through Nov. 21, 2025
Single lane closures and shoulder closures will take place within the work zone
Reduced speeds in the work zone
Construction schedules are weather dependent
Refer to COtrip.org for real-time travel conditions and road closures