10/01/2026 | Press release | Distributed by Public on 10/02/2026 14:23
La Plata County - The Colorado Department of Transportation and contractor Native Sun Construction have begun a culvert improvement project on Colorado Highway 172 between Ignacio and the New Mexico state line. The project will include culvert repairs at Mile Point 4.32 and a culvert replacement at MP 3.4.
The culvert replacement at MP 3.4 will require a five-day, 24-hour per day closure in October while crews install a new box culvert. The closure is currently scheduled for Oct. 20 to 24, weather permitting. Motorists must seek alternate routes during the full closure.
Normal working hours will be Monday through Friday from 7 a.m. to 7 p.m. Traffic impacts include:
Motorists are encouraged to check the most current traffic impacts on COtrip.org or on the COtrip Planner app.
Map of a CO 172 culvert replacement located at MP 3.4 and culvert repairs located at MP 4.32 between Ignacio and the New Mexico state line. A five-day, 24-hour per day closure at MP 3.4 is scheduled for October 20 to 24.For additional information about this project:
Travelers are urged to "know before you go." Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:
The following tips are to help you stay safe while traveling through maintenance and construction work zones.
The new free COtrip Planner mobile app was designed to meet the growing trend of information on mobile and tablet devices for the traveling public. The COtrip Planner app provides statewide, real-time traffic information, and works on mobile devices that operate on the iOS and Android platforms. Visit the Google Play Store (Android devices) or the Apple Store (iOS devices) to download!