Sam Houston Tollway Ship Channel Bridge (formerly known as the Jesse H. Jones Memorial Bridge) is a bridge in Harris County, Texas. It was acquired from the-then Texas Turnpike Authority (TTA) (now North Texas Tollway Authority) on May 5, 1994, and is now a part of the Harris County Toll Road Authority system. The bridge opened to traffic in May 1982. It carries four lanes of Beltway 8 over the Houston Ship Channel with a clearance of 175 feet (53 m).