From the Texas Department of Transportation
Major road closure in San Marcos this weekend. Beginning at 8 p.m. Friday, Oct. 14, SH 21 will be closed to through traffic from SH 80 to RM 150. Local access will be available as crews set beams on the new bridge for FM 110 at SH 21. Click map to enlarge.
Northbound traffic will detour via SH 80 to FM 1984 to FM 1966. Southbound traffic will detour using RM 150 to I-35. The roadway will reopen to through traffic by 5 a.m. Monday, Oct 17, weather permitting.
Road signs have been placed and police officers will be on hand for traffic control. Thank you for your patience as we construct the FM 110 bridge.
For any questions regarding the road closure or detour, please contact the TxDOT South Travis Area Office at (512) 282-2113.