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Oso Parkway Bridge lanes now open

oso parkway bridge

All six lanes – three in each direction – of Oso Parkway at the 241 Toll Road are open to drivers, marking a construction milestone for the Oso Parkway Bridge Project. 

Project construction began in August 2018 and is expected to be finished in October. Remaining construction activities include final preparations of on- and off-ramps, overhead signs, grading slopes, completing draining, relocating utilities and miscellaneous electrical work.  Intermittent daytime lane closures may be necessary over the next few weeks.

The Foothill/Eastern Transportation Corridor Agency (F/ETCA) is funding the nearly $40 million project. Orange County Public Works, in partnership with Caltrans, is overseeing the construction contract led by Ortiz Enterprises.

For more information on the project, visit OC Public Works. For construction updates, follow The Toll Roads on Facebook and Twitter


Submitted by DON FIELD on Wed, 07/22/2020 - 1:19 pm


The Oso/Antonio intersection has been under construction for awhile. It seems the westbound Oso lane coming from Coto de Caza towards MV is being reduced to 2 lanes at the Antonio intersection. This is causing huge traffic backups already since this used to have 3 lanes here. Can you tell me if this will be 2 lanes and if so, why it was changed?
Thank you,

Submitted by City Staff on Thu, 07/23/2020 - 10:20 am


Per OC Public Works website: The future bridge will contain six lanes (three in each direction), dedicated bike lanes and sidewalks. Pedestrian access to Tesoro High School will be improved with the construction of a new sidewalk on the south side of Oso Parkway. OC Public Works will oversee construction of the two-year project.

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