Hazelton, Indiana


Private Client

A private mining client needed a railroad spur to connect their facilities to an existing line so they hired Lochmueller Group (Lochgroup) to design four bridges along the proposed spur for Cooper E 80 Loads. The bridges met American Railway Engineering Association’s specifications as well as the CSX Transportation’s criteria for ballast deck railroad bridges. Each bridge used adjacent special prestressed concrete box beams, with the size of the beams varied depending on the length of the spans. Close coordination was required between Lochgroup and CSX officials. This project was on a very fast schedule as all four bridges needed to be designed, detailed, reviewed by CSX, and constructed in 10 months to meet agreements between Vectren and CSX Transportation.

The location of the bridge spanning Robb Creek on the South Y of the railroad spur was in a sharp horizontal curve. For ease of construction and to keep costs down, each span was built along its short chord. This provided the effects of a curved bridge with the simplicity of a tangent bridge.

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