CO 170 Critical Culverts, Boulder County
About the Project:
Work consists of replacing a culvert with wing walls underneath the roadway and excavating and patching asphalt along the highway.
Work will generally take place Monday through Friday, 7 a.m. to 7 p.m. at the intersection, with construction crews utilizing single lane closures and shoulder closures along CO 170 and Marshall Road. 24-hour single lane closures will be in effect utilizing traffic signals. Alternative routes along US 36 are advised.
Work Schedule:
- General working hours for this project are Monday through Friday, 7 a.m. to 7 p.m.
Traffic Impacts:
- Impacts include single lane closures and shoulder closures along CO 170
- Temporary traffic control
- Weekend work may occur
Project Facts
- Cost: $679,000
- Contractor: Tricon 2, LLC
- Timeline: March - November 2023
- Location: CO 170 from milepoint .6 to MP 3.3, Boulder County
