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Fire from crash collapses Calif freeway

wyliepoon

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Another tragedy in the history of elevated expressways...

Yahoo News

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Fire from crash collapses Calif. freeway

By MARCUS WOHLSEN, Associated Press Writer 1 hour, 20 minutes ago

OAKLAND, Calif. - A stretch of highway near the San Francisco-Oakland Bay Bridge collapsed Sunday after a gasoline tanker crashed and burst into flames, leaving one of the nation's busiest spans in a state of near paralysis. Officials said traffic could be disrupted for months.

Flames shot 200 feet in the air and the heat was intense enough to melt part of the freeway and cause the collapse, but the truck's driver walked away from the scene with second-degree burns. No other injuries were reported.

"I've never seen anything like it," Officer Trent Cross of the California Highway Patrol said of the crumpled interchange. "I'm looking at this thinking, 'Wow, no one died — that's amazing. It's just very fortunate."

Authorities said the damage could take months to repair, and that it would cause the worst disruption for Bay Area commuters since the 1989 Loma Prieta earthquake damaged a section of the Bay Bridge itself.

Nearly 75,000 vehicles use the portion of the road every day. But because the accident occured where three highways converge, authorities said it could cause commuting problems for hundreds of thousands of people.

Transportation officials said they already had added trains to the Bay Area Rapid Transit light rail system that takes commuters across San Francisco Bay, and were urging people to telecommute if possible.

State officials said motorists who try to take alternate routes Monday instead of relying on public transportation would face nightmarish commutes.

The tanker carrying 8,600 gallons of gasoline ignited around 3:45 a.m. after crashing into a pylon on the interchange, which connects westbound lanes of Interstate 80 to southbound I-880, on the edge of downtown Oakland about half a mile from the Bay Bridge's toll plaza.

A preliminary investigation indicated he may have been speeding on the curving road, Cross said.

The fire melted a second interchange from eastbound I-80 to eastbound I-580 located above the first interchange, causing a 250-yard section of the roadway to collapse onto the roadway below, according to the highway patrol.

Witnesses reported flames from the blaze reached up to 200 feet high.

Late Sunday morning, the charred section of collapsed freeway was draped at a sharp angle onto the highway beneath, exposing a web of twisted metal beneath the concrete.

The Bay Bridge consists of two heavily traveled, double-decked bridges about two miles long straddling San Francisco Bay.

San Francisco Mayor Gavin Newsom said the accident showed how fragile the Bay area's transportation network is, whether to an earthquake or terrorist attack, and has the potential to have a major economic effect on the city.

"It's another giant wakeup call," Newsom told reporters at the California Democratic Party convention in San Diego.

amd_collapse2.jpg
 
Damn! I was on that very same bridge 4 days ago on a AC Transit bus (doing a round trip involving BART).

There's still a lot of double-decked highway interchange set-ups, such as the Bay Bridge, and around SFO and Oakland, even with the demolition of the Embarcadero Freeway and other retrofits. The Bay Bridge itself is getting a new single-deck span to replace the current one.
 
first he takes away our post counts and now he wants to take away the gardiner!

:p
 
Yeah this sucks, but the fire can really do a number on an overpass. Still... I don't like them; I hate highways in general... I fear overpasses and I fear the bloody trucks too, and I fear other cars. It's completely irrational, obviously, but I can't help myself.
 
Everyone-As mentioned fires of this type can do a number on highway bridges. I recall a couple of examples: On the LI Expressway back in the mid 90s there was a gas tanker explosion and fire that destroyed a overpass-for the Sagtikos/Sunken Meadow Parkway. Another tanker truck explosion and fire caused a conflaguration that caused a nasty fatal accident on Sunrise Highway-NYS 27 a couple of years ago. Another example I recall is a major fire in a tire dump area under I-95 in NE Philadelphia back in the 90s that caused so much structure damage the road had to be closed and detoured until a temporary bridge could be constructed to restore it. LI MIKE
 
GTAwise, I think I recall something similar at 401 and James Snow Parkway some 20 yrs ago...
 
Freeway shutdown sends BART to ridership record

May 4, 2007
OAKLAND, Calif. - Many feared that the closure of a major freeway interchange last Sunday following a fiery accident in Oakland would lead to major delays and congestion. According to the San Francisco Chronicle, that hasn't happened, with many motorists opting to take public transit rather than drive.

Bay Area Rapid Transit ridership spiked dramatically, hitting an all-time record on Tuesday. The number of BART commuters was up 10.4 percent Tuesday and 5.2 percent Wednesday morning; no figure was available for Monday, when fares were free. BART carried a record 375,200 riders on Tuesday, up from an average weekday of 340,000 riders. BART's ridership fell back a bit Wednesday morning, with 7,300 more riders than average, for a total of about 140,000 riders who boarded from the start of service to 11 a.m. During roughly the same period on Tuesday - the start of service until noon - 158,000 people boarded BART, an extra 13,000 riders, 9 percent more than usual.

Traffic congestion was down Monday and Tuesday. The amount of time drivers were stuck in traffic moving slower than 60 mph was down 8 percent around the entire Bay Area, according to Caltrans data. Congestion on Oakland freeways, meanwhile, was down by more than 50 percent, the data showed.

Those that did drive seemed to be traveling earlier, according to data collected by Berkeley Transportation Systems, a small company that analyzes freeway-flow data for Caltrans. "It doesn't seem like travel times were getting worse; in fact, in some cases, they actually seemed to be getting better," Karl Petty, an engineer who heads the company told the Chronicle.

Petty said a small percentage of drivers staying off the roads can make a huge difference in lowering traffic congestion - not just at the freeway collapse site, but around the region. This week's changes by a few drivers along key routes seemed to make a big difference.

Usually on weekday mornings, about 30,000 cars pass along the section of Interstate 580 going toward the MacArthur Maze, where the freeway collapsed. The westbound stretch is unaffected by the freeway collapse and on Monday morning, nearly 7,000 fewer cars passed through that stretch - a drop of 22 percent. The volumes dropped by 15 percent on Tuesday and 11 percent on Wednesday, according to data from Caltrans. "Getting rid of 10 percent of the traffic can totally eliminate the congestion," Petty said.

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Interesting...

42
 
The James Snow Parkway overpass over the 401 was indeed destroyed by a diesel tanker crash and fire on March 24th, 1986. The driver of a big rig was later charged and of criminal negligence causing death. He was drunk at the time and swung his rig across three lanes. A tanker plowed into the side and exploded, killing the driver.

Crews took weeks to demolish the bridge, clear the roadway, and repave the area. In the meantime, crews rushed to build a temporary bypass around the scene in time for the Easter long weekend.
 

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