Texas State Highway 146

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State Highway 146 marker

State Highway 146
Route information
Maintained by TxDOT
Length: 105.97 mi[1] (170.54 km)
Existed: 1930 – present
Major junctions
South end: I-45 at Texas City

I-10 at Mont Belvieu
US 90 from Dayton to Liberty

US 190 at Livingston
North end: I-69 / US 59 at Livingston
Highway system
SH 145 SH 147

State Highway 146, or SH 146, is a north–south highway in southeastern Texas beginning in Livingston, starting at US 59 (Future I-69) and proceeds south to Liberty, where it meets US 90. It continues in Dayton at US 90 and proceeds south through Baytown, terminating at Interstate 45 near La Marque and Texas City. SH 146 was designated on March 19, 1930, from SH 6/US 75 northward to Texas City as a renumbering of SH 6A. By 1933, SH 146 extended north to Livingston, replacing SH 132. On December 16, 1967, SH 146 was relocated east of Liberty. On February 21, 1984, SH 146 extended south from SH 3 to I-45. On March 28, 1996, SH 146 was relocated in Baytown.

The Fred Hartman Bridge over the Houston Ship Channel carries SH 146 traffic.

Junction list[edit]

County Location mi km Destinations Notes
Galveston Bayou Vista I-45 / SH 6 – Houston, Galveston, Bayou Vista, Hitchcock I-45 exit 7 southbound, 7A northbound; south end of SH 3 overlap.
Texas City Loop 197 north (Texas City Port Boulevard) – Texas City
SH 3 north – League City Interchange; north end of SH 3 overlap
FM 519 (Main Street) – La Marque, Texas City
FM 1765 (5th Avenue) – Santa Fe, Texas City
South end of freeway
FM 1764 (Lowry Expressway, Palmer Highway) No northbound entrance (closed until September 2017; may be delayed due to Hurricane Harvey).
Loop 197 south (25th Avenue)
North end of freeway
FM 517 west – Dickinson
FM 646 west (Grand Avenue)
Kemah SH 96 west (League City Parkway) – League City
FM 518 west (Deke Slayton Boulevard) – League City
FM 2094 west (Main Street) – League City
county line
Texas CitySeabrook line Bridge over Galveston Bay
Harris Seabrook Shipyard Drive, 10th Street Interchange
NASA 1 west (NASA Parkway) – Webster, Johnson Space Center
South end of freeway
Pasadena Red Bluff Road
Port Road, New Port Road
La Porte
Bus. SH 146 north (Wharton Weems Boulevard)
Northbound access only
Fairmont Parkway

Bus. SH 146 south (Main Street) – La Porte
Barbours Cut Boulevard Southbound exit and northbound entrance
SH 225 west (La Porte Freeway) – Pasadena, Houston
La PorteBaytown line Fred Hartman Bridge over Houston Ship Channel
Bus. SH 146 – Baytown
South end of Loop 201 overlap; northbound exit and southbound entrance
Missouri Street
West Main Street
J.B. Le Fevre Drive Southbound exit and northbound entrance
Spur 330 (Decker Drive) / Texas Avenue Northbound exit and southbound entrance
Garth Road, Pruett Street
North Main Street

Bus. SH 146 (Alexander Drive) – Baytown
North end of Loop 201 overlap
county line
North end of freeway
Chambers FM 565 east – Cove
FM 1405 south
I-10 – Houston, Beaumont I-10 exit 797
Mont Belvieu Loop 207 north (Main Street) – Mont Belvieu
Loop 207 south (Main Street) – Mont Belvieu
FM 1942 west – Barrett
FM 3360 south
Liberty FM 1413 west
Dayton US 90 west – Houston South end of US 90 overlap
SH 321 north – Cleveland
FM 1409 south – Mont Belvieu
Liberty Loop 227 north (Main Street)
FM 563 south – Wallisville
US 90 east – Beaumont North end of US 90 overlap
Loop 227 south (Main Street)
FM 1011 north
FM 2830 south – Ames
Hardin FM 834 – Daisetta
Moss Hill SH 105 – Cleveland, Beaumont
Rye FM 787 – Romayor, Saratoga
Polk FM 2610 south – Romayor
FM 943
FM 2665 west – Goodrich
FM 1988 south – Goodrich
Livingston US 190 – Huntsville, Woodville
I-69 / US 59 Northern Terminus; US 59 is Future Interstate 69
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Transportation Planning and Programming Division (n.d.). "State Highway No. 146". Highway Designation Files. Texas Department of Transportation.