MALPASO CREEK BRIDGE

Location:

Near Carmel, CA, USA

Description:

Malpaso Creek Bridge is located on State Route 1, south of Carmel and is one of the historic concrete arch bridges built in the 1930’s. It is 64 m.

Owner and Client:

Caltrans

Scope of Work:

Buckland and Taylor Ltd., was selected by Caltrans to design the seismic retrofit of this bridge to a site specific spectrum corresponding to a maximum credible earthquake.

The exterior appearance remained unaltered in order to preserve the original character of the arch bridge.

The retrofit consisted of establishing a continuous superstructure by means of longitudinal deck post-tensioning. The abutments were stiffened through CIDH piles to provide the necessary lateral deck restraint. The arch crown area was supported transversely by means of dedicated lateral shear keys with longitudinal slide pads.
The abutment retrofit required demolition and reconstruction of portions of the architectural reinforced concrete barrier railings and sidewalks. Care was taken to preserve the historic appearance and structural integrity of the sidewalk and barrier railing. Traffic control and temporary barriers were required elements of the retrofit design and required careful staging during construction.

For more information on our bridge engineering services, please Contact Us.

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