The ETD Bridge over Green River is a steel girder bridge near Fontenelle, Wyoming, which carries Sweetwater County Road CN4-8SS (Fontenelle Townsite Road) over the Green River. The bridge is a replacement for a historic Pratt through truss bridge built in 1913 by the Colorado Bridge and Construction Company. The 150-foot-long (46 m) bridge was one of the longest Pratt through truss bridges built in the early stages of Wyoming bridge construction.[2]
The bridge was added to the National Register of Historic Places on February 22, 1985.[1] It was one of several bridges added to the NRHP for their role in the history of Wyoming bridge construction.[2]