Texas State Highway Loop 121

State Highway Loop 121
Route information
Maintained by TxDOT
Length5.961 mi (9.593 km)
ExistedOctober 31, 1958–present
Major junctions
West end FM 439 in Belton
Major intersections
East end FM 436 in Belton
Location
CountryUnited States
StateTexas
Highway system
Loop 120 Loop 122

Loop 121 is a partial beltway around the city of Belton in the U.S. state of Texas.