Bay Bridge West spans
Named in the records1959–2000
31 records of San Francisco tie this place, 1959–2000: 0 decisions of the Board of Supervisors and 31 facts read from city reports. Open the full list, with filters for years, kind and outcome.
- Kind
- Named in the records
- Records
- 31: 0 Board decisions, 31 facts from city reports
- Years
- 1959–2000
What the records say
All 31 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 |
|---|---|---|---|
| 1959 | Bay Bridge west spans · event: Rail on the west spans | event | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 1965 | Bay Bridge west spans · other: Lane load derived from 1965/67 Caltrans study placing live load from all 10 lanes | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 1965 | Bay Bridge west spans · finding: West span structural demands under proposed lane and rail loads established by proportioning 1965/67 values | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West spans · other: 3/4-inch epoxy overlay installed by Caltrans | building | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | BART rail option on Bay Bridge West spans · other: Total added load per rail, BART | measure | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge west spans · finding: Demands on some structural components reported higher than actual impacts because train lengths are much less than span | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West spans · other: post-retrofit West spans studied for rail impacts | project | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West span superstructure · finding: worst case: strength of only a few members increased by 12%, remainder by less or not at all | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge rail feasibility study: below deck option · alternative: Adds two lanes to the bridge below the current lower deck | alternative | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge rail feasibility study: rail service on the bridge deck · other: If two directions of rail service are placed on the bridge deck, a minimum of three traffic lanes would be displaced | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West Span rail · other: Adding 34 feet of deck is the minimum width for bi-directional train operation | project | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West spans · other: current lane width of 11'7" | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West spans rail alignment · other: place track outside the West spans to keep five lanes together in each direction | recommendation | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge rail service · finding: No rail services would travel at high speeds over the bridge, particularly over the West spans | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge rail feasibility - west spans rail options · alternative: three viable options: adding lanes below deck, alongside lower deck, alongside upper deck | alternative | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge below deck rail option · proposes: adds two lanes below the current lower deck | alternative | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge rail feasibility study · other: Adding 34 feet of deck is the minimum width required for bi-directional train operation on the West spans | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West spans seismic strengthening · other: Strengthening of the West spans is already underway | project | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West spans · cost usd: values of $2,000 per square foot are appropriate | measure | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West spans · cost usd: over $1 billion in investment on that span alone | measure | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge rail feasibility study · other: Seismically retrofitted West spans considered for the study | project | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge west spans structural improvements · cost usd: as high as $3 Billion | measure | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge west spans · finding: West spans retrofitted but not replaced under the current plan | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West Spans rail · alternative: Rail suspended below the current lower deck | alternative | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West Spans · finding: None of the rail alternatives is considered infeasible | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West Spans main cable · finding: Strengthening of main cable anticipated; two new main suspension cables or new tower legs needed | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge West Spans seismic · finding: Seismic improvements beyond the current retrofit would be necessary | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | [name withheld] option on Bay Bridge West spans · other: Total added load per rail, [name withheld] | measure | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | [name withheld] (SEPTA) option on Bay Bridge West spans · other: Total added load per rail, [name withheld] (SEPTA) | measure | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | [name withheld] (Amtrak) option on Bay Bridge West spans · other: Total added load per rail, [name withheld] (Amtrak) | measure | City report: Bay Bridge rail feasibility study scanned page ↗ |
| 2000 | Bay Bridge west spans rail load · other: Total added load per rail: BART 13,560; [name withheld] 14,000; [name withheld] (SEPTA) 14,660; [name withheld] (Amtrak) 14,820 | finding | City report: Bay Bridge rail feasibility study scanned page ↗ |
All 31 records, with filters · this place's data as JSON · release v0.7.1 · CC0 1.0