Structures Field Review Site 13 2014Mecklenburg, Bridge at I-485 and I-85 interchange


Ramp bridge on reverse spiral and severe skew; noted that the concrete between the MSE walls and the end bent caps were level

Action Items:

 · Incorporate Geotech standard details for concrete ditches behind MSE walls into bridge designs/details

· Due to constructability issues, incorporate guidance in the Design Manual to limit combinations of:
    severe skew with crowned roadway section
    variable superelevation with crowned roadway section
severe skew with vertical curve


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