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A fracture critical bridge is a bridge or similar span that is vulnerable to collapse of one or more spans as a result of the failure in tension of a single element. While a fracture critical design is not considered unsafe, it is subject to special inspection requirements that focus on the tension elements of its structure.
The bridge inventory is developed for having a unified database for bridges, including the identification information; bridge types and specifications; operational conditions; and bridge data including geometric data, functional description, inspection data, etc. Bridge type and specifications classify the type of the bridge.
This image is a work of a United States Department of Transportation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain
Around 46,100 of the 617,000 bridges across the United States, or 7.5% of all bridges, ... The Key Bridge was “fracture critical,” the National Transportation Safety Board said Wednesday.
Bridges such as the one in Baltimore are classified as "fracture critical" by the federal government - meaning that if one portion of the bridge collapses, it's likely to take down the rest of the ...
This category includes articles on individual bridges found within the United States, subcategorized by the state in which it is located. Bridges that connect states are found in several subcategories.
The Key Bridge was “fracture critical” and did not have any redundancy, Homendy said. ... But the Key Bridge is one of 17,468 fracture-critical bridges in the US out of 615,000 total bridges ...
The Francis Scott Key Bridge was a steel arch-shaped continuous truss bridge, the second-longest in the United States and third-longest in the world. [8] Opened in 1977, the 1.6-mile (2.6 km; 1.4 nmi) bridge ran northeast from Hawkins Point, Baltimore , to Sollers Point in Dundalk in Baltimore County, Maryland .