Barton Springs Road bridge replacement sparks clash over safety, cost and historic preservation

A contentious briefing on the Barton Springs Road bridge on May 19 brought community advocates, preservation groups and board members into sharp question with staff about whether to rehabilitate or fully replace the century‑old structure.

Public commenters argued for preservation, saying the bridge and surrounding Zilker Park features are part of an interlinked historic landscape that should be protected. Advocates noted prior recommendations and raised cost concerns, with one speaker saying rehabilitation was previously estimated at a much lower figure and questioning whether full replacement is necessary.

Staff from Capital Delivery said detailed engineering shows extensive deterioration in the bridge deck and spandrel columns. Eric Bailey, deputy director for capital delivery, said preliminary engineering found a limited path for light‑touch rehabilitation: "There is no way to have a light touch rehabilitation of the structure. The main structural issues are in the deck itself, and it's beyond the point of repair," the presentation said. Staff described alternatives analyzed in a preliminary engineering report and said replacement is a viable option; they also noted that rehabilitation and replacement cost estimates are currently within the margin of error of early stage estimating.

The project has a $32 million FHWA bridge improvement grant that staff said is tied to the replacement scenario in the grant application. Bailey said the estimated construction cost for the bridge itself is about $45 million and that the total project cost can grow when utility and infrastructure work in the corridor is included. He said the city applied bond funds to design and the federal grant targets construction; any significant change to scope would be reviewed under NEPA and could affect the grant application.

Board members pressed for specifics: where redactions in engineering reports were required for security reasons; whether rehab would reduce openings or lengthen the construction timeline; how load‑rating inspections could result in future limits on buses or emergency vehicles; and whether the Zilker Eagle train could operate uninterrupted during construction. Staff said the construction schedule is roughly two years with staging designed to keep at least one lane open in each direction when feasible, but some intermittent closures of the train could be required depending on staging.

Preservation advocates and several board members urged a more consultative Section 106 historic review, careful application of crime‑prevention and environmental design on steep slopes and river banks, and stronger community engagement before irreversible decisions are made. No board vote or formal action was taken on the project at the meeting.

Separately, the board voted 7–1 to waive rules and extend the meeting past 10:00 p.m. to finish the agenda.