The Orange County Transportation Authority (OCTA) is reconstructing Orangethorpe Avenue as a bridge to allow vehicles to pass over the BNSF Railway tracks to separate rail and roadway traffic. On the west side of the project, Crowther Avenue and Miller Street will rise to meet Orangethorpe Avenue, which begins to ascend approximately 500 feet west of Miller Street. On the north side of the project, Chapman Avenue rises to meet the elevated portions of Orangethorpe, which lowers back to street level approximately 800 feet east of Chapman.
OCTA previously planned for the bridge to be built while Orangethorpe remained open via a bypass road with one lane in both directions. However, complex utility relocations affected the construction schedule. In order for the project to remain on schedule for completion by approximately September 2016, Orangethorpe Avenue will be fully closed while the bridge is under construction. Chapman Avenue is expected to reopen late in 2015.
During this closure, drivers can use either Kraemer Boulevard to the west or Tustin Avenue/Rose Drive to the east, with Alta Vista Street to the north and Miraloma Avenue to the south, as detour routes.
When completed, the project will allow cars to cross over the railroad tracks enhancing safety and boosting mobility.
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550 S. Main StreetOrange, CA 92868