The base rate index, which excludes the impact of accessorial charges assessed by carriers, increased by 0.27 percent when compared to November2013.

Average fuel surcharges assessed by carriers decreased. Fuel was 20.84  percent of base rates in December versus 20.54 percent in November.

"Total freight costs continue to climb in December for the fifth straight month. Both base and rates and fuel increased in December," said Doug Payne, president and COO of Nulogx, a transportation management solutions provider that sponsors the CGFI. "With December's increase, total transportation costs finished 1.0 percent above a year ago," said Payne.

Click here for full details on the CGFI.

Source: Nulogx