Golden Gate Bridge center span
Named in the records1937–1962
12 records of San Francisco tie this place, 1937–1962: 0 decisions of the Board of Supervisors and 12 facts read from city reports. Open the full list, with filters for years, kind and outcome.
- Kind
- Named in the records
- Records
- 12: 0 Board decisions, 12 facts from city reports
- Years
- 1937–1962
What the records say
All 12 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 |
|---|---|---|---|
| 1937 | Golden Gate Bridge suspension spans · other: 21,300 lbs. dead load in center span as completed | building | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1961 | Golden Gate Bridge center span · other: present dead load of center span 22,900 lbs. per ft. | building | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge center span · other: center span dead load with reserve would be 23,700 lbs. per ft. | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge · other: total design dead load in the center span 25,700 lbs per ft | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge · other: original design dead load 21,000 lbs per ft | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening trusses · finding: Calculated stresses exceed permissible stresses in about 40% of all chord members in the center span under rapid transit | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss chords · other: Maximum calculated compression stress 29,300 lbs per sq in, 3,400 lbs per sq in above permissible value | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge stiffening truss chords · finding: Maximum calculated tension stress 36,800 lbs per sq in, 4,800 lbs per sq in above allowable maximum | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge rapid transit loading · other: deflection at center of center span 19.3 ft (under combined loads at 110° F) | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge navigation clearance · other: encroachment of up to about 9 ft on the 220 ft under-clearance | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge navigation clearance · recommendation: ruling needed from the present Department of the Army on encroachment | recommendation | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
| 1962 | Golden Gate Bridge rapid transit loading · other: deflection reported by [name withheld] and [name withheld]: 18.2 ft | finding | City report: Report on proposed installation of rapid transit trains on Golden Gate Bridge scanned page ↗ |
All 12 records, with filters · this place's data as JSON · release v0.7.1 · CC0 1.0