TxDOT responded to a drilling mud spill on SH 359 in Mathis in San Patricio County on Sunday morning at approximately 11:30 a.m.
TxDOT closed SH 359 from FM 666 to Loop 459. Traffic is being detoured on to Hidalgo Street in Mathis. TxDOT is cleaning the roadway and expects SH 359 to be closed for at least one more hour.
The road was re-opened around 2PM.