The Arizona Department of Transportation is advising motorists who use Historic Route 66 (B40) in Flagstaff to expect ongoing intermittent lane restrictions as work continues on the Rio de Flag Bridge replacement project. The Arizona Department of Transportation and the Federal Highway Administration are replacing the Rio de Flag bridge located in Coconino County within the city of Flagstaff on Historic Route 66 (SR 40 B) near City Hall. The Rio de Flag bridge was built as part of the original State Route 66 in 1934. The project which involves an accelerated bridge construction and over-excavation under the bridge for...

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