Golden Gate Bridge approach viaducts
Named in the records1976–1990
8 records of San Francisco tie this place, 1976–1990: 0 decisions of the Board of Supervisors and 8 facts read from city reports. Open the full list, with filters for years, kind and outcome.
- Kind
- Named in the records
- Records
- 8: 0 Board decisions, 8 facts from city reports
- Years
- 1976–1990
What the records say
All 8 records, in date order. The one-line summaries were written by a language model from the printed page; open the page to check the wording.
| When | What the record says | Outcome | Source |
|---|---|---|---|
| 1976 | Baron 1976 study · finding: studies directed to the main suspension bridge only; no evaluation of the approach viaducts was undertaken | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach viaducts · finding: Substantial risk of collapse or impending collapse after a Richter 8 or greater earthquake; viaducts would no longer carry traffic | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approaches · finding: Fort Point arch and steel girder and truss viaducts are among the most vulnerable parts of the bridge; high damage expected in [name withheld] 8 or greater earthquake | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge steel approach viaducts · recommendation: made two to six times stronger with respect to seismic resistance | recommendation | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach viaducts retrofit components · recommendation: foundations, supporting frames, structural bearings, expansion joint restrainers most critical for retrofit | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach viaduct trusses · recommendation: require strengthening, somewhat less critical | finding | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach viaducts · recommendation: most critical retrofit components: foundations, supporting frames, structural bearings, expansion joint restrainers | recommendation | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
| 1990 | Golden Gate Bridge approach viaducts · other: seismically retrofit with joint restrainers and foundation improvements | action | City report: Golden Gate Bridge seismic evaluation scanned page ↗ |
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