Chattanooga Bridge Collapse Likely Resulted From Impact

Yaquina bridge

Design and maintenance were not factors in the collapse, TDOT Chief Engineer Paul Degges said.

April 17, 2019
Jim Parsons - Engineering News-Record

Tennessee highway officials believe an impact from a vehicle’s oversized load is likely to blame for the April 1 partial collapse of a ramp structure at the I-75/I-24 interchange in Chattanooga. The impact caused the outer box beam and railing of the 148-ft-long bridge’s nearly 51-ft main span to fall onto an access ramp, injuring a motorist whose vehicle collided with the debris.

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