Bridges

Changing light bulbs in the Deck Park Tunnel on I-10
With roughly 240,000 vehicles driving through it each day, the I-10 Deck Park Tunnel needs the night off every once in a while for a good, thorough scrub! Just about every four months, the tunnel is closed to traffic in order to allow crews the chance to wash the walls, maintain the ventilation systems and check on the tunnel’s 3,700 light fixtures (about 150-200 light bulbs are changed out each quarter!).
Crews put the finishing touches on the shoring that will support the pier cap on the newly  reconstructed columns
The new Mescal Road/J-Six interchange is taking shape! The Cochise County bridge will soon reunite two communities that were unexpectedly disconnected after trucks collided beneath the old overpass in March.
Bridge mid-construction - caption: Construction begins July 2011
Talk about a quick turnaround … it’s been just three months since a fiery crash destroyed the Mescal Road/J-Six Ranch Road bridge in Cochise County and already ADOT has approved a contract to rebuild and reopen the bridge this fall.
Munds Park underpass at I-17, aged 53 years
The bridges over Pinewood Boulevard in Munds Park have been carrying Interstate-17 traffic for the past 53 years and now it’s time for some well-deserved reconstruction! ADOT has already begun the project that will rebuild the bridges and ramps on I-17 at Munds Park , an area just south of Flagstaff . Work started last month and is scheduled to wrap up by fall 2012.
Tearing down two bridges over I-10
In just 10 hours this past weekend, two bridges in southern Arizona were demolished in order to make way for something new. All it took was some good planning, plenty of patience from motorists, a few enormous machines, and a ton of work by crews on the sites.

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