Cement and steel columns
Today's blog follows bridge piers deep underground to explain how they support overpasses that can carry thousands of vehicles every day.
New bridge deck on Historic Route 66 overpass.
See the progress we're making on replacing three bridge decks between Interstate 40 and Historic Route 66 near Seligman.
This effort is interesting beyond the wow factor, as it's a major step forward for a project widening 4 miles of I-10 to three lanes between Earley Road and I-8 in Casa Grande.
Temporary Bridge
Motorists using I-10 in Tucson are using much-improved bridges at Wilmot Road without having to endure major delays during construction.


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