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Pima Mine Rd Bridge Replacement at the Santa Cruz River

The Town of Sahuarita is currently replacing the Pima Mine Road Bridge across the Santa Cruz River, as part of its 5-year Capital Improvement Plan.

The project will correct the structural deficiencies of the existing bridge, eliminate the existing 20-ton load restriction, and provide additional travel lanes, new bicycle lanes, new sidewalks, and new waterline crossings. The project limits extend approximately 1000’ feet on each side of the Santa Cruz River.

The design of the new bridge started in August of 2013. Major construction of the new bridge began in June 2015 with construction anticipated to take approximately 14 months.  Based on the currently proposed construction phasing, Pima Mine Road is anticipated to remain open to vehicular traffic throughout construction, although intermittent lane shifts, flaggers, reduced speed limits and/or other temporary traffic control measures will be implemented within the construction zone.  The construction project has been split into (2) major phases:

Phase 1 - Move traffic to southern portion of existing bridge.  Construct north half (2-travel lanes) of new bridge (requires partial removal of existing bridge).  Phase 1 was open for travel in March of 2016.    

Phase 2 - Switch traffic to new northern bridge travel lanes.  This will allow the removal of the remaining existing bridge, and construction of the southern half of new bridge.  Demolition work of the south half of the bridge began in March of 2016.    

Both phases of construction are anticipated to be substantially complete in September of 2016.

The bridge design/construction is fully funded by a combination of sources, including: the Regional Transportation Authority (RTA), Pima Association of Governments (PAG) regional 12.6% Highway User Revenue Funds (HURF), and three waterline partners (Central Arizona Water Conservation District, Project RENEWS, and Farmers Investment Co.).