Colorado State Highway 55

State Highway 55 (SH 55) is a 5.659 mi long state highway in the U.S. state of Colorado. SH 55's southern terminus is at County Road 81 northeast of Fleming, and the northern terminus is at SH 138 in Crook. It serves as a connector between Crook and Interstate 76 (I-76).

Route description
SH 55 runs 5.7 mi, starting at a junction with U.S. Highway 138 in Crook, then south across the South Platte River to I-76. The highway ends at CR 81 northeast of Fleming.