This week's wind storm has highlighted problems that remain in the Bay Bridge's construction.
"'The combination of the weight of the traffic and the force of the wind exceeded the capacity of this temporary repair.'
In an earthquake, the kind of beam that cracked could 'completely fracture,' he [UC Berkeley civil engineering professor Abolhassan Astaneh-Asl] said. 'As soon as that one member fractures, the entire bridge collapses.'
He said the bridge should be shut down for a few days until all relevant beams can be inspected for hairline cracks with X-ray equipment."
Read the full story: Bay Bridge remains closed after steel rods break during wind
Bay Area's Transbay Dilemma: Second BART Tube or Second Bay Bridge?
In December, Sen. Dianne Feinstein reactivated her call for a southern crossing over the Bay while the BART Board last week began studying a second Transbay tube. The San Francisco Chronicle editorial board opines on which is preferable.
Powerful Political Voices Call for Another Bay Area Bridge
U.S. Senator Diane Feinstein is leading calls for the so-called Southern Crossing—a bridge that would connect San Francisco and the East Bay somewhere south of the Bay Bridge.
Could Old Bay Bridge Span Become a Park?
Architect Ronald Rael proposes preserving the discarded span of the San Francisco Bay Bridge and turning it into a park and mixed-use development, in the spirit of NY's High Line.
Amtrak, CN end decades-long dispute with eight-year agreement
The new operating agreement establishes an updated framework for the companies to work together, including processes to resolve disputes.
Judges permit Denver to divert 77,000 acre feet from the Colorado River for reservoir expansion
Overuse and climate change have caused the Colorado River’s water levels to plummet.
Nation's most wind-powered state turns to coal as data centers increase energy demand
For the first time in decades, Iowa has increased its generation of coal power.
Boston has spent millions making the Green Line more accessible — and there’s no end in sight
While the city has invested millions into expanding and adding platforms to the Green Line to make it more accessible, new train cars set to arrive next year will be too tall for disabled passengers to board without raising the current platforms.
Idaho may see an 18% drop in federal surface transit funding — the largest estimated cut in the US
Transit systems in rural communities are much more reliant on federal funding to provide their services.
How ‘post-disaster gentrification’ alters neighborhoods after natural calamities
After hurricanes, fires or other calamities, the original residents of a community are often replaced by younger, wealthier residents.
FREE Course: Walkable City 1: Why Walkability?
After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.
Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold
The course focuses on the opportunities and imperatives that shape reinvention of mall sites.
City of Wisconsin Rapids
Harvard University Graduate School of Design
KFH Group Inc.
The Architects Foundation
University of Cincinnati Online
The Pocatello Development Authority
The Urban Renewal Agency of the City of Pocatello