The Tartan Trail Bridge — Emergency Infrastructure Repair
active• hillsborough
Hillsborough is managing one of the most consequential infrastructure emergencies in recent memory — and doing so without help from neighboring agencies. The Town of Hillsborough is moving forward with an emergency project to repair the Tartan Trail Road Bridge over San Mateo Creek — a critical access point into town for many residents — after the bridge and roadway were compromised by erosion, pavement failure, and potential subsurface issues linked to a failed PG&E conduit trench. As no other agencies have clear jurisdiction to repair the bridge, the Town has taken the lead, awarding a design-build contract in November 2025 to Power Engineering Construction Company — an emergency approach that significantly accelerates the schedule compared to typical town bridge projects, which can take years to design, permit, and construct. The episode highlights a structural vulnerability for a small town: critical infrastructure — particularly bridges over creek channels — can fail in ways that no single agency is clearly responsible to fix, leaving the town to absorb costs it did not anticipate.
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Related cause: Traffic / congestion
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