Work to resume on SR 90 San Pedro River Bridge | News
The Arizona Department of Transportation (ADOT) will resume work on the SR 90 bridge spanning the San Pedro River just east of Sierra Vista on October 1.
Those traveling on the highway connecting Sierra Vista with Tombstone and Bisbee will experience brief delays starting September 30 when ADOT resumes use of a temporary signal to control traffic on the single lane that will be open during construction.
Replacement of the old SR 90 bridge with a new structure that meets modern design standards has been on hold since April 1; this was done to avoid disrupting the migratory bird nesting season in the San Pedro Riparian National Conservation Area.
The first phase of the $6.2 million project, which replaced the eastbound half of the bridge, was completed in March 2013. When work resumes in October crews will begin replacing the westbound side of the bridge.
The traffic signal will remain in use around the clock until the project is complete in spring 2014 – with delays of eight minutes as the standard motorists can expect to encounter. ADOT encourages motorists to obey the traffic signal at all times because on-coming traffic cannot be seen from the signal locations.
The San Pedro Bridge on SR 90 is an important connection on the primary corridor between the communities of Sierra Vista, Tombstone and Bisbee. The old bridge, constructed in 1955, is being replaced with a new structure that will feature wider travel lanes, emergency shoulders and greater clearance over the San Pedro River.
ADOT crews are hoping construction will be complete by April 2014, when the migratory bird nesting season arrives again.
ADOT works to inform the public about planned highway restrictions, however there is a possibility of unscheduled closures or restrictions. Weather also can affect a project schedule.
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