Utah State Route 138
SR 138 highlighted in red | ||||
| Route information | ||||
| Maintained by UDOT | ||||
| Length | 20.444 mi (32.901 km) | |||
| Existed | 1965–present | |||
| Major junctions | ||||
| West end | I-80 near Grantsville (exit 84) | |||
| SR-112 in Grantsville | ||||
| East end | SR-179 near Grantsville | |||
| Location | ||||
| Country | United States | |||
| State | Utah | |||
| Highway system | ||||
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State Route 138 is a highway, completely within Tooele County in northern Utah that connects Grantsville to Erda and Stansbury Park. The route runs twenty miles (32 km) and is the old routing of U.S. Route 50 Alternate and U.S. Route 40.