Memmott, J. L. (2007). Highway Bridges in the United States–an Overview (Report No. SR-003). United States. Dept. of Transportation. Research and Innovative Technology Administration. https://doi.org/10.21949/1501500
Memmott, Jeffery L.. Highway Bridges in the United States–an Overview. Report no. SR-003. United States. Dept. of Transportation. Research and Innovative Technology Administration, 2007. https://doi.org/10.21949/1501500.
Memmott, Jeffery L. Highway Bridges in the United States–an Overview. United States. Dept. of Transportation. Research and Innovative Technology Administration, 2007, Report no. SR-003, ROSA P. https://doi.org/10.21949/1501500.
Bridges are an integral part of the U.S. highway network, providing links across natural barriers, passage over railroads and highways, and freeway connections. The Federal Highway Administration (FHWA) maintains a database of our nation's highway bridges—the National Bridge Inventory (NBI)—with detailed information on all public road bridges greater than 20 feet. This special report gives a brief synopsis of that inventory, including bridge condition and the resources spent for maintenance and upgrades.
Domestic freight traffic carried by air, truck, rail, water, and pipeline totaled more than 4.5 trillion ton-miles in 2005—an increase of more than 35
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Federal safety agencies share a common problem—the need to target resources effectively to reduce risk. One way this targeting is commonly done is wit
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Several snowstorms in the Northeast, Midwest, and Southeast during February 2010 disrupted air travel not only at airports blanketed with snow but at
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Hazardous materials movement through the Nation's transportation network in 2007 remained relatively unchanged from 2002 measures, according to data f
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At the request of Congress, in 2006 the Bureau of Transportation Statistics, a branch of the U.S. Department of Transportation's Research and Innovati
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In 2007, 190 ferry operators across the Nation provided service to an estimated 106 million passengers through nearly 500 terminals in 37 States and 3
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Freight Transportation between the United States and our North American Free Trade Agreement partners – Canada and Mexico – continues to grow at a str
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Pirates prey upon targets of opportunity. Given optimal conditions (e.g., calm weather, slow cruising speed, and daylight4) relatively small, fast ves
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Intermodal connections with other scheduled public transportation modes are available at 70 percent of all stations served by commuter rail trains. Co
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Just over 40 percent of U.S. passenger ferry terminals offer connections to other scheduled public transportation modes. That makes ferries less conne
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Since at least 1991, federal transportation policy has sought to encourage intermodal connections – the links that allow passengers to switch from one
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The absence of legal definitions to describe waterborne passenger vessels, such as cruise ships and ferries, may pose a challenge for researchers atte
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Trade between the United States and East African countries (defined in this special report as Burundi, Kenya, Rwanda, Tanzania, and Uganda) has grown
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During the last decade there has been a significant increase in the number of motorcycle sales and registrations in the United States. At the same tim
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Trade between the United States and its North American Free Trade Agreement (NAFTA) partners—Canada and Mexico—has more than doubled in dollar value s
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The annual Omnibus Household Survey (OHS), administered by the U.S. Department of Transportation's Bureau of Transportation Statistics (BTS), asks res
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Several high profile incidents have focused attention on "tarmac delays" that resulted in air travelers spending long periods of time aboard aircraft
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This BTS special report examines historical U.S. maritime trends, changes in U.S. trading partners, and current U.S. marine trade patterns. More speci
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The TSI provides a monthly measure of freight and passenger service. Statistical and economic techniques are used to present the output of the differe
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While it is difficult to predict how individuals will use increases in their real income in the future, it is clear that historically some of that inc
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More than 13 billion tons of freight, valued at $11.8 trillion, were transported nearly 3.5 trillion ton-miles in the United States during 2007, accor
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The growth in U.S.- China trade over the last two decades has impacted the U.S. transportation system by increasing traffic at air cargo hubs and seap
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Memmott, J. L. (2007). Highway Bridges in the United States–an Overview (Report No. SR-003). United States. Dept. of Transportation. Research and Innovative Technology Administration. https://doi.org/10.21949/1501500
Memmott, Jeffery L.. Highway Bridges in the United States–an Overview. Report no. SR-003. United States. Dept. of Transportation. Research and Innovative Technology Administration, 2007. https://doi.org/10.21949/1501500.
Memmott, Jeffery L. Highway Bridges in the United States–an Overview. United States. Dept. of Transportation. Research and Innovative Technology Administration, 2007, Report no. SR-003, ROSA P. https://doi.org/10.21949/1501500.
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