design and construction of purling brook falls suspension bridge
I35W St Anthony Falls Old Bridge
description
Transcript of I35W St Anthony Falls Old Bridge
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I35W St Anthony Falls
Old Bridge
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10th Avenue Bridge Minneapolis, MN
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I35W St Anthony Falls
Old Bridge
• Collapse• Search Rescue• Recovery
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93 people were rescued from the collapsed bridge.
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Fractured Gusset Plate the bridge's design specified steel gusset plates that were undersized and inadequate to support the intended load of the bridge
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Bent gusset plates on the I-35W bridge 2003 inspection photoNational Transportation Safety Board
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The new bridge has
•world’s largest anti-icing system•smart bridge technology, including 323 sensors that will generate a record of how the bridge manages the stresses of traffic •100-year life span •10 lanes of traffic, five in each direction—two lanes wider than the former bridge •13-foot wide right shoulders and 14-foot wide left shoulders, the previous bridge had no shoulders•Light rail transit-ready to help accommodate future transportation needs •Designed to be aesthetically pleasing and fit in with the surrounding environment
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