The 1950s origins and Old Highway 58
The Idle Spurs opened sometime in the mid-1950s — the exact founding date is variably reported as 1954, 1956, or 1957 depending on the source, a vagueness that's not unusual for small roadhouse operations from that era when business records were sometimes informal. What's clear is that the restaurant was operating by the late 1950s as a roadhouse on Old Highway 58, serving the steady traffic of travelers, truckers, and local Barstow residents on what was at the time a busy through-route between the Mojave and the San Joaquin Valley.
Old Highway 58 was, in the 1950s and 1960s, one of the major California highways — a southern-bypass route that connected Barstow to Bakersfield via Boron and Mojave, providing access to the agricultural valley without requiring the longer route through the Tehachapi Pass. The construction of Interstate 40 through the area in the 1970s, replacing both Route 66 and Highway 58 with the modern Interstate corridor, dramatically reduced through-traffic on the old highway. Many of the original Highway 58 roadhouses, motels, and gas stations closed in the 1970s and 1980s; the Idle Spurs is one of the few survivors and the only one that has maintained continuous operation across the full transition.
The restaurant's longevity is partly attributable to its location — the section of Old Highway 58 where the Idle Spurs sits is now a frontage road accessible from Interstate 40, so the restaurant remained reachable for through-travelers even after the Interstate replaced the original highway. And it's partly attributable to the steady local base that has sustained the restaurant across decades — BNSF railroad workers from the classification yard, Marine Corps personnel from the nearby Yermo logistics base, and the long-rooted Barstow families who have made the Idle Spurs their special-occasion restaurant for multiple generations.