Old St. Vrain Bridge over South St. Vrain Creek

Boulder County, CO

Project includes replacement of the Old St. Vrain Road Bridge over South St Vrain Creek and roadway replacement on Old St. Vrain Road, east of the bridge site. The proposed bridge is a single span and 180’ long that is made of a prefabricated structural steel truss bridge with a non-composite deck. Other major work elements for this project include: 1) pavement replacement, 2) bridge abutment construction, 3) riprap bank installation 4) channel grading, and 5) approach/departure rail.

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