From the record
“The Carter Road, also known as the Carter Trail or the Carter Military Road, in Utah and Wyoming, was built in 1881 by the U.S. A portion of the trail in Ashley National Forest, running through Uintah County and Daggett County, Utah, was listed on the National Register of Historic Places in 2001.”
Wikipedia article Carter Road (Utah), CC BY-SA 4.0.
One of 17 National Register listings published here for Uintah County · listed in 2001 · category: District · built in 1881.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service