Dahlia Street bridge/I-76 in Commerce City Closure

Travel Advisory

March 19, 2024 - Central Colorado - Northbound lane of bridge closed due to damage from yesterday's tractor trailer hit; single lane closure of westbound I-76 under the bridge

Commerce City — A tractor-trailer, towing construction equipment, struck the outer edge of the Dahlia Street bridge over I-76 in Commerce City yesterday afternoon, March 18, 2024, causing bridge damage. The bridge is safe in its current condition with the following traffic restrictions:

Westbound I-76 under Dahlia Street impacts

Single lane closure of westbound I-76: the lane, under the damaged part of the bridge, will remain closed temporarily during the on-going inspection and assessment of the bridge. The lane is projected to re-open after the assessment in the next several days.

Dahlia Street bridge over I-76 impacts

The northbound lane, where the bridge was damaged, will remain closed while CDOT inspectors perform a more in-depth assessment on the extent of the damage to the girders and a permanent repair can be implemented.

CDOT will be taking extra steps to monitor the structural damage while the bridge remains partially closed.

Tractor-trailer after it struck a bridge over I-76 on 318
Tractor-trailer after it struck a bridge over I-76 on 318
Side view of tractor-trailer rolled over after in struck a bridge over I-76 on 318
Side view of tractor-trailer rolled over after in struck a bridge over I-76 on 318

Know Before You Go

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:

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.
  • Stay Alert! Expect the unexpected.
  • Watch for workers. Drive with caution.
  • Don't change lanes unnecessarily.
  • Avoid using mobile devices such as phones while driving in work zones.
  • Turn on headlights so that workers and other drivers can see you.
  • Be especially alert at night while driving in work zones.
  • Expect delays, especially during peak travel times.
  • Allow ample space between you and the car in front of you.
  • Anticipate lane shifts and merge when directed to do so.
  • Be patient!

Download the COtrip App!

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!