Boulder County COVID-19 status is at Level Clear | Vaccine locations and info is available in English and Spanish.

Dillon Road Flood Recovery Project

Dillon Road Flood Recovery Project

This flood recovery project is complete

During the September 2013 flood event, a culvert conveying Rock Creek underneath Dillon Road was washed away by flood waters. Boulder County Transportation has rebuilt the culvert with a new, stronger, more resilient structure.

Construction Details:

  • New three-cell, 12′ wide x 15′ high concrete box culvert
  • Drainage improvements
  • Dillon Road repairs
  • Final Design Plans


  • Andrew Barth – Communications – 303-441-1032 or email
  • Dan DeLange – Project Engineer – 303-413-7039 or email

Dillon Road Post Flood

Dillon Road flood damages

Completed Project Photo Below

Dillon Road Flood Recovery Project complete

Contact Us

Public Works Department (formerly Transportation)

Submit a request


2525 13th Street
Boulder, CO 80304

Map & Directions

Hours: 8 a.m. - 4:30 p.m. M-F

Mailing Address

P.O. Box 471
Boulder, CO 80306