Title
Retroactively add the Old Stage Road Bridge Emergency Replacement Project, County Bridge No. 119, State Bridge No 44-C0134 (Project) over El Gabilan Creek to the PWFP FY 2020/21 Annual Work Program for Road Fund and adopt Project Plans.
Report
RECOMMENDATION:
It is recommended that the Board of Supervisors retroactively add the Old Stage Road Bridge Emergency Replacement Project, County Bridge No. 119, State Bridge No. 44-C0134 (Project) over El Gabilan Creek to the PWFP FY 2020/21 Annual Work Program for Road Fund and adopt Project Plans.
SUMMARY/DISCUSSION:
On August 12, 2019 Caltrans visited the bridge to perform a routine inspection of Old Stage Road Bridge (County Bridge No. 119; State Bridge No 44-C0134) over El Gabilan Creek. On December 3, 2019, Caltrans staff provided Public Works staff a Record of Critical Findings Report (Report)which identified the structural deficiencies of the bridge. The Report indicated that most of the metal columns supporting the bridge along the easterly abutment (Abutment #2) had deteriorated and the allowable weight that could cross the bridge was significantly reduced. The Report also directed the County to immediately post weight restriction signs stating five (5) tons maximum, in advance of the bridge. This weight reduction would prohibit garbage trucks and fire engine apparatuses from crossing the bridge.
Upon receiving the notification, staff conducted a site visit to verify the findings outlined in the Report. Staff also reached out to one of the on-call engineering consultants, Moffatt & Nichol, to help develop both an immediate plan to restore the bridge capacity and a plan to design and permit permanent repairs to the bridge. Since Old Stage Road Bridge is the only point of access for over two dozen homes located east of the bridge staff proceeded to install the temporary bridge bracing to restore the bridge capacity and allow motorists and emergency responders unrestricted access to the easterly secti...
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