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From the Headlines
Concrete pieces from the underside of the Briley Parkway bridge fell onto Interstate 40 in Donelson causing delays. The concrete fragments were from a 4- to 5-foot-wide piece of patching on the bottom of the bridge that broke off in pieces, the majority landing close to the interstate median. Mark Holloran, regional director of the Tennessee Department of Transportation, estimated that some of the falling pieces were an inch to 2 inches thick. He said the pieces he saw were about as big as a fist. To his knowledge, no injuries or damage had been reported, Holloran said. Holloran said the concrete fell because of the bridge's age. The Tennessean 5/21/04
The Demonbreun Street Bridge will take three years to tear down and rebuild and will cost $8.3 million, officials say. Officials said the 74-year-old structure, shut down after it failed a safety inspection, will need to be removed and replaced. The decaying bridge had been of concern to state and local officials for years. In 2002, Metro closed the bridge to all bus traffic and other heavy vehicles in an effort to prolong its life. The bridge's weight limit was set at 5 tons, which basically limited it to cars and pickup trucks. The bus moratorium forced the Metro Transit Authority to reroute buses and close its Clement Landport bus terminal that connects to the bridge. A June 10, 2003, TDOT inspection report found the bridge in "poor condition" and said parts of it had "worsened significantly." The Tennessean 7/16/04
State road officials have determined that the Moores Lane bridge that crosses over Interstate 65 has deteriorated so much it won't make it through another winter. The Tennessee Department of Transportation is working with the city of Brentwood on a major repair project for the state route. TDOT Assistant Director of Construction David Layhew said the agency has been watching the aging bridge for some time. He said "pop-outs" about a month ago - occurrences similar to potholes on a road - alerted TDOT that repairs need to be made. The Tennessean 7/28/04
Sources
- Survey of the state's civil engineers conducted in December 2004
TRIP Fact Sheets, February 2005
Texas Transportation Institute, 2004 Urban Mobility Report
Government Performance Project, Grading the States 2004
The State of Garbage in America, Biocycle Magazine 2004
Condition of America's Public Schools, 1999
EPA Drinking Water Infrastructure Needs Survey, 2001
EPA Clean Water Needs Survey, 2000
Association of State Dam Safety Officials




