Bridge demolition to close I-45 in Huntsville this weekend

HUNTSVILLE, Texas – The Huntsville Fire Department says Interstate 45 will be closed in both directions this weekend due to the demolition of the Smither Drive bridge.

The department said the closure will begin at 10 p.m. Friday night and last through the weekend. Lanes are expected to reopen by 7 a.m. on Monday.

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Drivers going northbound on I-45 are instructed to use Exit 114 (FM 1374/Montgomery Road) onto the frontage road and continue through the FM 1374/Montgomery Road and Avenue S intersection. Drivers can then re-enter I-45 using the existing northbound ramp south of US 190/SH 30/11th Street.

Southbound traffic is instructed to use Exit 115 (FM 1374/Montgomery Road) onto the frontage road and re-enter I-45 via the existing southbound ramp south of Smither Drive.

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Message boards and signs will be present to alert drivers of the detour. The construction is part of TxDOT’s $200 million IH-45 reconstruction project, expanding to six lanes with a concrete median. The project completion is scheduled for Fall 2027.

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