Calcasieu River Bridge Repair

Location: Calcasieu Parish     
Date Completed: 2012

Huval & Associates provided engineering services for repair and rehabilitation of the I-10 Calcasieu River Bridge.  The repair and rehabilitation design includes improvements to the bridge structure deemed critical to its longevity and safety.

Specifically, the rehabilitation plans required the following services:

• Assessment of bridge structure to determine repair options for the main truss and substructure
• Overlaying the bridge decking from gutter to gutter with a Skid Resistance Epoxy System
• Incorporating a deflection barrier on the outside curb of the bridge deck and bridge railing repair
• Repairing and spot painting of portions of the main truss and the approach superstructure and substructure
• Preparing joint sealing details to existing finger joints on the bridge where feasible
• Performing soundings to determine water depths of the lake which lies beneath the east approach structure
• Preparing repair details for severely corroded wind shear key and for the Carrying Trusses/Sway Frames
• Preparing an auxiliary Anchor Bolt Repair Detail to add two new anchor bolts to existing Trestle Bent Base Plates

Additionally, Huval & Associates’ tasks include assisting the project engineer with construction related evaluation of proposed repair procedures by the contractor and trouble shooting of any problems during construction.  Huval & Associates is presently providing construction support services for repairs to the Calcasieu River Bridge.

Challenges Encountered

• Provide the rehabilitation plans for a fixed bridge that allow for the repair and rehabilitation of the bridge with as little interruption to the flow of traffic as possible