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Vicksburg Old Highway 80 / Railway Bridge

Detailed bridge inspection and load capacity rating

  • 820

    Foot Suspended Truss Span

  • 1.6

    Miles Long

  • Vicksburg, Mississippi

    Vicksburg, Mississippi

It’s no simple matter: here’s what it takes to keep rail and pedestrian traffic safely moving across a historic bridge

Built in 1930, the Vicksburg Old Highway 80 Bridge is a one-of-a-kind structure listed in the National Register of Historic Places. For many years, it was the only bridge over the Mississippi River where highway and railroad tracks ran side by side through the truss structure. However, with only nine-foot wide highway lanes, safety became an issue, and the bridge ended vehicular access in 1988. 

Today, the Kansas City Southern Railway Company (KCS) and Norfolk Southern (NS) continue to operate freight rail service on the train track side of the bridge, while pedestrians and event booths primarily use the opposite side. With its importance to ongoing rail operations, the bridge needed a safety inspection, and our bridge inspection team was brought in to provide capacity load rating, underwater investigation, and other inspection services. 

The job included an arm’s length inspection of the entire bridge and underwater SONAR investigation. We provided the complete bridge inspection report to the Vicksburg Bridge Commission of Warren County in compliance with Federal Railroad Administration, which included recommendations for additional follow-up inspections, necessary repairs, and a capacity load rating based on the in-depth inspection. The load rating modeling was performed for normal and maximum operating conditions to ensure continued safe usage of the bridge. 

The good news? Our inspection and analysis indicated that the bridge will likely remain safe for long-term use.

At a Glance

Meet Our Team

Gene Davis, Principal, Rail

Safely is the ONLY way. On a railroad, you have to live it, breathe it, and believe it.

Tommy Dudeck, Senior Associate, Transportation

Never let the past define the present and never sacrifice excellence in your work. Today’s successes are born from yesterday’s failures.
Tommy Dudeck Senior Associate, Transportation Read More

Brandon Elliot, Bridge Engineer

I’m a part of the important and regular bridge inspection process—this is not only a federal requirement, but also promotes public safety.

Seth Poole, Structural Engineer

I love solving problems—finding better, more efficient, and safer ways to do things is something I strive to do every day.

Gene Davis

Principal, Rail

Tommy Dudeck

Senior Associate, Transportation

Brandon Elliot

Bridge Engineer

Seth Poole

Structural Engineer

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