What caused the Interstate 10 twin span bridge to collapse during Katrina?

The span is supported through low steel- bearing plates on a cap beam supported by three columns. The storm surge generated by Katrina severely damaged the I-10 bridge structures and rendered them impassable. Each approach causeway suffered significant damage or collapse (figs.

What is the percentage of a bridge collapse?

Based on the data extrapolation and 95% confidence interval, the estimated average annual bridge collapse rate in the United States is between 87 and 222 with an expected value of 128. The database showed hazards that have caused bridges to collapse historically, throughout the United States.

What bridge collapsed in California?

Big Creek Bridge
BIG SUR, Cali. (KRON) — A massive section of coastal Highway 1 in California fell into the Pacific Ocean after storms rocked Northern California Thursday. Caltrans crews responded to a segment of road that collapsed near Mile Marker 30 near Big Creek Bridge in Big Sur and closed the highway indefinitely.

Is the I-10 bridge in California still closed?

California I-10 bridge could have limited reopening in weeks, official says. A bridge collapse in Southern California forced the closure of Interstate 10 which is a main roadway between Southern California and Phoenix. The collapse also moderately injured one person and stranded hundreds of motorists.

Where was the MN bridge collapse 10 years ago?

Ten years ago, the Interstate 35W bridge over the Mississippi River in downtown Minneapolis collapsed, sending cars, trucks and even a school bus that were crawling over it in bumper-to-bumper rush hour traffic plummeting into the river below and onto the rocky shore. Thirteen people were killed, 145 more were injured, many of them seriously.

What was the name of the bridge that collapsed in California?

CalFire works to rescue a patient from his car after a bridge collapsed, closing I-10 in Desert Center. The bridge on Interstate 10 that was washed out when a flash flood barreled down a Southern California desert gully could have a limited reopening within weeks.

When was the I-35W bridge in Minneapolis rebuilt?

“The bill established a program to have all structurally deficient bridges and fracture critical bridges repaired or replaced within 10 years, so by June 30, 2018,” says Daubenberger. The I-35W bridge was rebuilt within 14 months.