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1 RiversideCA.gov1
RiversideCA.gov
AMENDMENT NO. 1 TO SERVICE AGREEMENT BY AND BETWEEN COUNTY OF RIVERSIDE, CITY OF RIVERSIDE, & CITY OF JURUPA VALLEY FOR THE MISSION BRIDGE IMPROVEMENTS AT SANTA ANA RIVER City CouncilJanuary 13, 2026Public Works Department RiversideCA.gov2
EXISTING MISSION BLVD. BRIDGE
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2 RiversideCA.gov3
1. On June 16, 2015, the City Council approved a 3-party Service Agreement between the County of Riverside, City of Riverside, and City of Jurupa Valley with the County acting as the lead agency for the reconstruction of the 1958 bridge.2. On January 23, 2017, the City Council authorized the CEDD Director to sign a concurrence letter for the proposed Mission Bridge aesthetics.BACKGROUND RiversideCA.gov4
BRIDGE AESTHETICS
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3. On July 24, 2019, Caltrans issued a Categorical Exemption following the Project’s environmental review. All necessary permits from various environmental agencies were still required. 4. The bridge will be replaced with a new concrete structure that is 23 feet longer and 27 feet wider atop twenty new 7-foot diameter concrete columns. 5. The Project will not increase capacity, but the new bridge will provide sufficient travel lanes, a shoulder in each direction, divided by a 4-foot concrete median.6. The Project will also provide a 12-foot-wide multi-purpose trail separated by a 4-foot concrete barrier.BACKGROUND RiversideCA.gov6
BRIDGE CROSS-SECTION
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PROJECT LIMITSCITY OF JURUPA VALLEYCITY OF RIVERSIDECARLSON PARKSCOUT LANEPROJECT LIMITSMISSION INN AVENUESANTA ANA RIVERCRESTMORE ROADMISSION BOULEVARDS.A.R.T.S.A.R.T.
RiversideCA.gov8
•Construction will be completed in stages. •Stage 1 will construct the northerly side of the bridge with traffic remaining on the southerly existing bridge. •Stage 2 will move traffic to the new partial bridge while the remaining southerly side of the bridge will be removed and replaced with remainder of new bridge.•The existing Santa Ana River trail will remain open during construction with minor interruptions. •Advanced outreach & signage will be provided for all disruptions to vehicle, pedestrian, and cyclist traffic.CONSTRUCTION7 8 12/31/2025
5 RiversideCA.gov9
•On August 26, 2025, the County of Riverside advertised the Mission Blvd Bridge Project as Bid No. B3-0528.•On October 16, 2025, the County received five bids for the construction of the Project. •The lowest responsive bid was from Skanska USA from Riverside California in the amount of $58,882,197.00 which was 12.5% over the County’s estimate. •The County Board awarded the construction contract to Skanska USA on December 16, 2025.COUNTY ADVERTISEMENT RiversideCA.gov10
•The original Service Agreement executed 2015 estimated a total Project cost of $38,485,000 with the City of Riverside contributing $1,232,910. •The new total Project cost is $91,251,020 including the awarded contract to Skanska USA, requiring an amendment to the original Service Agreement. •Amendment No. 1 to the Service Agreement requires the City of Riverside to contribute $5,208,186 as the new local match obligation. SERVICE AGREEMENT9 10 12/31/2025
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•Costs to be distributed over several Fiscal Years.•Council has allocated $3,400,000 to date. •Additional $2,100,000 required starting FY 2027/2028.SERVICE AGREEMENTAmountTotal City of Riverside Project Costs$425,377Costs Spent to Date (Agreement + Staff)$4,914,636 Remaining Service Agreement Costs$159,987Remaining City Staff Costs$5,500,000Total RiversideCA.gov12
1. Approve Amendment No. 1 to the Service Agreement by and between County of Riverside and City of Jurupa Valley and City of Riverside for Mission Boulevard Bridge Improvements at Santa Ana River, in the amount of $3,975,276, increasing the total agreement amount to $5,208,186; and 2. Authorize the City Manager, or designee, to execute Amendment No. 1 to the Service Agreement including making minor non-substantial changes, subject to availability of budgeted funds.RECOMMENDATIONS11 12