The Hill14d
These states have bridges that need to be assessed for collapse risk
NTSB is investigating last year's collapse of Francis Scott Key Bridge It found that bridge was almost 30 times AASHTO's risk threshold 68 bridges in US were designed before this guidance was ...
Hosted on MSN14d
NTSB lists Rainbow, Veterans Memorial Bridges on list of 68 needing risk assessment
Over the last year, the NTSB identified 68 bridges that were designed before the AASHTO guidance was established — like the Key Bridge — that do not have a current vulnerability assessment.
KHOU 1114d
Major Houston-area bridges identified as ‘high risk’ — Here’s what we know
It takes into account: Bridge and span geometry Pier protection and lateral capacity Vessel traffic patterns and speeds Waterway characteristics The assessment follows AASHTO’s Method II risk ...
katu14d
Three Oregon bridges identified in NTSB's nationwide urgent safety assessment
Homendy says her team had to dig for data to run calculations and were surprised by just how poorly the key bridge rated. "It was recommended by AASHTO in 1991, it was recommended by AASHTO in ...
NBC New York14d
Three of NYC's iconic bridges in need of vulnerability assessments, NTSB says
According to the agency's list, 13 bridges in New York are in need of the vulnerability assessment, as recommended by the American Association of State Highway and Transportation Official (AASHTO).
KVUE14d
Major Southeast Texas bridges identified as ‘high risk’ — Here’s what we know
It takes into account: Bridge and span geometry Pier protection and lateral capacity Vessel traffic patterns and speeds Waterway characteristics The assessment follows AASHTO’s Method II risk ...