Long term bridge repair project kicks off east of Tucson - Tucson News Now

Long term bridge repair project kicks off east of Tucson

PIMA COUNTY, AZ ( Tucson News Now) -

The Arizona Department of Transportation has started work on westbound I-10 east of Tucson, in order to replace the Davidson Canyon Bridge.

Crews reduced westbound I-10 to one lane on Thursday, August 27 as they began demolishing and replacing one half of the bridge, located between Marsh Station Road and the junction with State Route 83.

The right lane was closed early that day to set a concrete protection barrier, which will keep workers safe for the roadwork's duration. Once this barrier is in place, the left lane will close through mid-December 2015.

During this restriction, ADOT crews will also demolish the left lane of the bridge and reconstruct it to meet modern standards. The speed limit in this area will reduce to 55 miles per hour while this takes place.

When this first phase of construction is complete, traffic will move to the newly built area while ADOT works on the eastbound side of I-10.

Six full, overnight closures will then take place in mid to late October, while workers continue the westbound I-10 bridge replacement work. This will require traffic to use a 67 mile detour on State Routes 90, 82 and 83. 

This is all part of a $15.1 million project, which also includes the paving of a 17 mile section of I-10 between the SR 83 and SR 90 junctions. Paving operations will play out in three phases, according to an ADOT press release.

The long term work is set to wrap up by June of 2016.

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