Semi rollover blocks ramp from Boeing Access Rd to I-5 north

A semi hauling sheetrock rolled over Thursday afternoon, blocking the onramp to northbound Interstate 5.

A semi hauling sheetrock rolled over Thursday afternoon, blocking the onramp to northbound Interstate 5 from the Boeing Access Road in Seattle for several hours.

The crash happened before 2 p.m.

It wasn't immediately known what the cause of the crash was, or if anyone was injured.