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.
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.