The existing bridge is a four span reinforced concrete I-girder bridge on cruciform-shaped two column bents. There are vertical stiffeners or perhaps diaphragms providing stability for the girders.
It is a four span bridge on bents at different heights with struts at different levels.
Route 54D is carried by a series of tall bridges across the many streams running down the flanks of two enormous volcanoes just west of the highway. You can see this part of the highway is in a steep cut at both ends of the bridge.
Mexico's Bridges: Puentes Los Lobos by Mark Yashinsky is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License.
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