Around 5:45 a.m., the trailer flipped over spilling sand over the road, forcing crews to shut down the road for cleanup.
[Ads /]
The main lanes of US-59 and SH-99 were not affected by the spill.
Live traffic map
[Ads /]
Do you hate Houston traffic as much as we do? Join the club!
Follow Katherine Whaley on Facebook and Twitter to stay ahead of traffic tie-ups.