Dona Ana Interchange
Client: Molzen-Corbin & Associates
Project Location: Las Cruces, NM
Design Completion Date: 05/2005
Estimated Cost: -
Two identical prestressed girder bridges along I-25 over NM 320.
Traffic used to travel through two existing CBCs.
Vertical and horizontal clearances of the CBCs are inadequate by current AASHTO standards.
Several alternatives considered which investigated cost effectiveness of various girder types, span lengths, and wall systems.
Proposed single span bridges, each 43’ wide and span 112’-6”.
Continuous for HS 25 live loading.
Spread footing foundation integral with tall cast-in-place abutment and wingwalls.