The buildings are described as having "a vernacular interpretation of the Moderne style of architecture, sharing similar characteristics such as horizontal emphasis, flat roofs, asymmetrical design, and glass block windows.

[3] A postcard advertising El Reposo Court, with mention it was owned and operated by Mrs. Nora Wilson, indicates it was on 66–75 Highway, i.e. that Route 66 and US 75 were the same there.

[3] By 1992 the street became Southwest Boulevard and had been widened to four lanes, which cut away space in front of the motel, leaving just 15 feet (4.6 m) from roadway to the office building, and Interstate 244 had been built and ran behind the property.

"[2] The main building, which originally had gas pumps in front and contained the motel office and a diner, is stuccoed and has a stepped parapet.

[2] In 1992 the gas pumps and diner were gone and the main building was used as a single residence, but the "66 Motel maintains a high degree of architectural integrity.