The Whittier Narrows, California Earthquake of October 1, 1987—Damage to State Highway Bridges

Abstract

Damage to State highway bridges was confined primarily to one bridge at the Interstate 605 and 5 Interchange. Shear damage, classified as moderate, occurred to the columns of one bent. The bridge was shored up and opened to traffic in less than 22 hours. Minor damage also occured at bearings and other locations on sixteen other bridges. Evidence of movement was also noted on seven other bridges.