When a tractor-trailer rig loaded with 80,000 pounds of dairy products overturned on an Oregon highway southeast of Eugene, the main problem did not seem to be spilled milk but sour cream — lots and lots of sour cream.

The Register-Guard of Eugene reports (http://is.gd/y0gRPT) that Oregon State Police spokesman Bill Fugate says the truck driver apparently failed to negotiate a curve Monday morning on Oregon Highway 58 and rolled the rig onto its side. The driver was unhurt.

The crash near Oakridge didn't block the highway but the fuel tanks needed to be pumped and the cargo removed before the truck could be pulled upright and removed. Oregon highway officials first thought the primary product was cheese but later determined it was mostly sour cream. They were trying to salvage as much as possible for nonprofit agencies.

The plan called for removing the cargo Monday, reopening Highway 58 overnight, then re-establishing a detour Tuesday while the truck is removed.

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Information from: The Register-Guard, http://www.registerguard.com