BOULDER, Colo. (CBS4) – Boulder Police determined a suspicious package which caused U.S. 36 to be closed on Friday night was a modified, weighted jump rope. The highway was closed between Baseline and Table Mesa heading east, and between Baseline and Foothills Parkway heading west.

(credit: CBS)

Some homes were also evacuated for several hours.

(credit: Boulder Police)

Police say the jump rope was modified with steel bar duct taped to the handles.

(credit: Boulder Police)

Further information was not provided.