The State of Colorado decided to build U.S. 34 in 1931. Construction came in small sections over the next few years so traffic could still pass through the canyon.
The project on US Highway 34 through the Big Thompson Canyon is almost completed. Last May’s reopening of the canyon marked the end of all long-term closures.
The floods of 2013 are still visible in many places. CDOT has finally begun permanent construction on Hwy 34 between Greeley and Kersey to include a new road and bridge