National and State Register

North St. Vrain Creek Bridge

Boulder County

The 60-foot long single span concrete rigid frame structure crosses North St. Vrain Creek at the southern edge of Lyons. 

A black and white photo of the bridge with railing on top going over the creek. In the foreground is dead brush and leafless trees and hills stand in the background.

North St. Vrain Creek Bridge 

Constructed in 1955 by Lowdermilk Brothers, from a design by the U.S. Bureau of Public Roads, the essentially unaltered bridge serves as an important component along the major access route to Roosevelt National Forest.  Listed under Highway Bridges in Colorado Multiple Property Submission.