BURLESON, Texas (CBSDFW.COM) – A possible by-product of the extreme heat in Burleson Wednesday afternoon.

A section I-35W southbound at Renfro Street buckled.

Road buckles – I-35W in Burleson (Chopper 11)

The area is reduced to one lane as crews repair the pavement, TxDOT said.

Road buckles – I-35W in Burleson (Chopper 11)

Traffic was backed up for a significant distance during rush hour.

All lanes were back open Wednesday evening.