I-70 Bridge Repairs in Arapahoe County
Project Update | I-70 Bridge Rehabilitation project begins its winter shutdown on Jan. 16, 2026
Arapahoe County — The Colorado Department of Transportation, and its contractor Structures Inc., will start a winter shutdown for bridge improvements along Interstate 70 north of Deer Trail on Jan. 16, 2026. Crews plan to resume work in March 2026.
About the Project
The Colorado Department of Transportation and its contractor Structures Inc. start work on the Interstate 70 bridge rehabilitation and deck repair project southeast of Byers between Peoria and Deer Trail (Mileposts 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 started in September 2025 and is located on I-70 between Deer Trail and Peoria (from mile point 323.1 to 325.3). Work includes repairing bridge decks of four structures, including new concrete pavement at the bridge approaches. 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
Project Benefits
The project will lengthen the lifespan of the four structures, and help maintain safe driving conditions.
Traffic Impacts
- Construction schedules are weather dependent
- Single lane and shoulder closures between Mileposts 323.1 to 325.3
- Motorists are urged to heed the speed limit, provide plenty of following distance and watch for crews and equipment in the work zone
- Crews will be out during daytime hours from Mondays through Sundays
- Reduced speeds in the work zone
