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  • Structural, regulatory and human error were factors in Washington highway bridge collapse

    A key factor in the crash was the curved opening of the bridge. The posted height was the maximum in the center, not the lower curved section above the outer lanes, which the truck hit, which means the databases that shipping companies rely on to plan routes may be inaccurate.

    A key factor in the crash was the curved opening of the bridge. The posted height was the maximum in the center, not the lower curved section above the outer lanes, which the truck hit.

    Photo by Tim Stark

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  • Editor’s notes: To reach Tim Stark, call (217) 333-7394; email: tstark@illinois.edu. To reach Ray Benekohal, call (217) 244-6288; email: rbenekoh@illinois.edu. To reach Larry Fahnestock, call (217) 265-0211; email: fhnstck@illinois.edu. To reach Jim LaFave, call (217) 333-8064; email: jlafave@illinois.edu. The paper “I-5 Skagit River Bridge Collapse Review” is available online.