The Gilman Springs Road bridge over Potrero Creek will be replaced, and Biggs Cardosa Associates Inc. was given Riverside County’s design contract.The county Board of Supervisors voted 4-0 Tuesday, June 14, with Jeff Hewitt absent, to award Biggs Cardosa a $2,084,793 contract. Biggs Cardosa, whose headquarters office is in Orange, will perform preliminary engineering, environmental clearance, final design and construction support services.The existing San Jacinto bridge was originally built in 1926 and was partially reconstructed in 1949. The bridge, which is approximately 47 feet long and 39 feet wide, is susceptible to scour during heavy rain events. A bridge inspection report prepared by the California Department of Transportation gave the bridge a sufficiency rating of 58.8.
