CO 7 at milepost 32.98, Lyons, Colorado. County/parish: Boulder.
Added to the National Register of Historic Places October 15, 2002. NRIS 02001159.
Part of Highway Bridges in Colorado MPS (NRIS 64500799).
1 contributing structure.Also known as:
The North St. Vrain Creek Bridge, in Lyons, Colorado, was built in 1955. It was listed on the National Register of Historic Places in 2002.
It brings State Highway 7, at its milepost 32.98, over the North St. Vrain Creek. It is a single-span road bridge designed by the U.S. Bureau of Public Roads and built in 1955 by Lowdermilk Brothers contractors. It is a concrete rigid frame bridge. The span is 60 feet (18 m) long; the roadway 30 feet (9.1 m) wide in a structure that is 66 by 37.30 feet (20.12 m × 11.37 m) overall.
It is located on the southern side of Lyons.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/84125664