State Highway 146 (SH 146) is a north–south highway in southeastern Texas beginning at I-45 near La Marque and Texas City. It then crosses over the Fred Hartman Bridge over the Houston Ship Channel which carries SH 146 traffic. It then continues north towards Dayton, where it meets US 90 and then heads north and terminates in Livingston at US 59 (Future I-69). History SH 146 was designated on March 19, 1930, from SH 6/US 75 northward to Texas City as a renumbering of SH 6A. On July 2, 1932, SH 146 was extended north to Dayton. On August 3, 1932, SH 146 was extended north to Cleveland (the plan was to delete SH 132 when this extension was completed). On September 22, 1932, this extension was canceled, and SH 146 was instead extended north to Livingston, replacing SH 132. On December 16, 1967, SH 146 was relocated east of Liberty. On February 21, 1984, SH 146 was extended south from SH 3 to I-45. On March 28, 1996, SH 146 was relocated in Baytown replacing Loop 201. The old route of SH 146 was redesignated as Business State Highway 146-E. Spur 201 was designated on December 17, 1941, from SH 146 in Black Duck Bay to Main Street. On September 23, 1959, Spur 201 was redesignated as Loop 201 and was extended to SH 146 at McKinney Road. On October 22, 1976, Loop 201 was extended to SH 146 at Ferry Road. On March 28, 1996, Loop 201 was redesignated as part of SH 146. Route description SH 146 begins at its southern terminus at Interstate 45 in Bayou Vista, running concurrent with Loop 197 for about . It then heads northwest and interchanging with SH 3. It then passes by Moses Lake and runs by Trinity Bay. Between Bayview and Kemah, it intersects SH 96. The route then interchanges SH 225 before crossing at the Fred Hartman Bridge over the Houston Ship Channel. In Baytown, the highway forms one of its business routes and then interchanges SH 330 before looping east. It then interchanges I-10 before entering Mont Belvieu. After heading north and entering Dayton, SH 146 meets US 90 and runs concurrent with it until reaching Liberty, intersecting SH 321 and Loop 227. It also crosses over the Trinity River before entering Liberty. After separating from US 90, the route heads north, then northeast after intersecting Loop