Project Description

Client: The Port of New Orleans
Location: New Orleans, LA
Date of Completion: December 2014

The Challenge

When a routine inspection of the Seabrook Railroad Bridge in eastern New Orleans revealed that deterioration of metalwork on the bascule span’s long abandoned vehicular roadway might have posed a public hazard, Boh Bros. was awarded an emergency contract to make the repairs. The bridge spans the Inner Harbor Navigation Canal where it meets the southern edge of Lake Pontchartrain. The job called for the removal of about 100 tons of old roadway components and the addition of 22 different members—steel ballast beams and plates of varying sizes and shapes—totaling 100 tons. Boh had to eye the bridge, measure out the rivet patterns and fabricate custom brackets for each location it had to match, each one slightly different.

Challenges: The balance of the bridge had to be maintained throughout construction prior to the waterway closure. The team had to weigh each piece that was removed and make sure they didn’t add more weight than was originally on the structure. An equal condition had to be maintained from beginning to end.

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