To: Honorable Mayor and Members of City Council
From: Julie Lucido, Public Works Director
Prepared By: Ian Heid, Associate Civil Engineer
TITLE:
Title
Bridge Assessment & Repair Project
LABEL
RECOMMENDED ACTION:
Recommendation
Adopt a resolution (1) adding the Bridge Assessment & Repair Project to the City's Five-Year Capital Improvement Program, and (2) approving the use of $50,000 of the General Fund Contingency Reserves to fund an increase to the expenditure budget of the Capital Improvement Fund of $50,000 for the Project, as documented in Budget Adjustment Form No. BE2209503.
Body
DISCUSSION:
City staff have recently identified damage to City-owned bridges that have been caused by impacts from people at homeless camps that are located too close to the bridges. Over the last year, the City, Napa County Flood Control and Water Conservation District, and our contractor have focused efforts on reducing camps near bridges to prevent damage to the bridge structures and to the slope protection features (i.e., rip rap and established vegetation). The efforts have included outreach, camp clean up, and on-going monitoring at the bridge locations to discourage the reestablishment of camps at the First Street Bridge over the Napa River, the California Boulevard Bridge, the Jefferson Street Bridge, the Lincoln Avenue Bridge, and the Trancas Street Bridge.
Activities at the homeless camps have included some individuals moving significant amounts of dirt, displacing rip rap protection of the channel banks and abutment areas, and exposing bridge foundations. The resulting condition has left un-protected slopes and embankments which will be susceptible to scour upon the rise of the river and creek levels during heavy rainfall.
Additionally, City staff recently observed an informal rock bridge built from displaced rip rap below one of the bridges; this illicit crossing has resulted in a blockage of the waterway. The restoration of waterways impacte...
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