|September 2017 (18.8268, -98.6038) Highway 438D Overcrossing|
Note the vegetation growing in the expansion joints between the spans. All of the rain and debris caught in the joints must make a fertile environment for any seeds that find a home there.
This seems to me like a very common type of bridge in Mexico, perhaps as a result of having to build highways through the many mountain ranges. I saw much taller bridges during a previous trip through Colima, Mexico. Note that part of the cut around the south bent has sloughed off, probably as a result of the September 19th earthquake. However, no damage or even signs of movement were seen on the columns or on the simply supported spans.
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