A Columbus city engineer and an intern from his office were crossing Broad Street at N. High Street Downtown this morning when a school bus and a pickup truck collided in the intersection, hitting them and killing the intern. Stephanie Fibelkorn, 21, a mechanical engineering student at Ohio State University, was pronounced dead at the scene.

It was her last day of work.

Stephanie Fibelkorn, 21, was an all-star intern in her four months working in the Columbus city engineering office.

The Ohio State University mechanical engineering intern impressed her bosses, especially Bill Lewis, 58, the city�s chief mobility engineer, who�d mentored her this semester.

The two were crossing Broad Street at N. High Street yesterday morning, on their way to a meeting, when a pickup truck barreling down Broad Street hit a school bus in the intersection. The force pushed the bus into the southwest corner, running over Fibelkorn and Lewis.

Fibelkorn, the young engineer who wanted to design Disney roller coasters, was dead by the time medics got there. Lewis was critically injured and rushed to OhioHealth Grant Medical Center.

Back at the office, the cold drink that Fibelkorn had brought in for her last morning on the job was still on her desk. The ice hadn�t yet melted.

Lewis and Fibelkorn were among several victims of a bizarre crash that appears to have started with an erratic driver about 10 a.m. yesterday.

Wade Ellis was driving almost a mile away on E. Broad Street, near the ramp to I-71, when he looked in his rearview mirror and saw the truck flying toward him. It had a flat tire, but that didn�t stop it from weaving in and out of westbound traffic.

�I thought, �What�s this knucklehead doing?�??� Ellis said.

The next time he saw the red Chevrolet, it was smashed into the side of a Groveport Madison school bus, both vehicles pushed onto the curb. He didn�t know that two people were under the bus.

�I saw the bus first,� he said. �My first thought was, oh my God, it has something to do with the pickup truck.�

The school bus was driven by Brenda Detty, 48.

Inside her bus were three special-needs students. They�d been heading south on High Street to a work-study program when the crash happened. None of the kids was hurt, Columbus police said. The visibly shaken Detty was taken on a stretcher to Grant and was said to be in stable condition last night.

The truck driver, Terrance Trent, 61, was taken to Mount Carmel West hospital and also was listed as stable. His passenger, Mamie Adams, 51, went to Grant in critical condition and had improved to serious condition last night.

Witnesses said the truck never braked and sped through the red light.

�The truck ... was out of control,� one 911 caller said. �It almost hit a bunch of other cars before it hit the school bus.�

Police aren�t yet saying who is at fault or why the truck driver was acting so strangely. They are reviewing surveillance footage around the intersection.

Fibelkorn was a self-proclaimed �Disney geek.� She didn�t just love going to the parks; she wanted to design them.

When she was at Ohio State�s Marion campus, before transferring to the main campus in Columbus, she worked on a roller-coaster design competition with a group of classmates, according to a 2012 Marion Star article. The group created a themed, gravity-based coaster with a corkscrew, lights, dry ice and music. It won first place.

She worked as part of the Disney World College Program as a cast member since August 2013, according to her LinkedIn page. Beyond that, she wanted to be a Disney �Imagineer.�

In a �geek of the week� profile on a Disney fan club page, Fibelkorn said she spends time with her family �mostly discussing changes in the theme parks.� She told the site that the Orlando theme park was a good gathering spot for her family because her sister is in the Navy and stationed in Georgia.

They had plans to go there again soon.

�Magic Bands arrived!! Only a few more weeks until the vacation starts,� read a post last week on Fibelkorn�s parents� shared Facebook page.

�Being a Disney geek, to me, is all about the spirit,� she told the fan site. �A Disney geek becomes overwhelmingly overjoyed at even the slightest reference to something Disney, whether it is a quote from a movie, a song from a video game, or hearing other people mention that they will be visiting a theme park.�

Reached at home last night, her father said the family wasn�t ready to talk.

That Lewis was mentoring Fibelkorn was no surprise. She was a bright student, and he is always trying to train the next generation of great engineers, said Rick Tilton, a city spokesman. She was lucky to have him as an adviser � he�s one of the city�s best, Tilton said.

Lewis took her to meetings with him, and that�s where they were headed yesterday morning: The two were going to a transportation meeting at the Mid-Ohio Regional Planning Commission in the Brewery District.

Back in the engineering office yesterday, co-workers were stunned. They�d just seen Fibelkorn and Lewis, who last night was at Grant in serious condition. They�d just walked out the door a few hours before. Now, they�re mourning one young worker and pulling for a veteran.

�We want to see him walk through that door again,� Tilton said.

Dispatch Reporter Lucas Sullivan contributed to this story.

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