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Status of the Nation's Highways, Bridges, and Transit:
2004 Conditions and Performance
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Chapter 18 Executive Summary

Strategic Highway Network

The Strategic Highway Network (STRAHNET) is a 62,791-mile system of roads deemed necessary for emergency mobilization and peacetime movement of heavy armor, fuel, ammunition, repair parts, food, and other commodities to support U.S. military operations. STRAHNET Connectors (about 1,700 miles) are additional highway routes linking over 200 important military installations and ports to STRAHNET. These routes are typically used when moving personnel and equipment during a mobilization or deployment.

STRAHNET Mileage, 2002
Interstate 46,749
Non-Interstate 16,042
Total 62,791

In 2002, 96.1 percent of all mileage in STRAHNET had a measured pavement roughness that met the standard for acceptable ride quality on the National Highway System cited in the FHWA Performance Plan.

There were 79,852 bridges on STRAHNET in 2002. About 20.6 percent of STRAHNET bridges were considered deficient.

In 2002, about 70.9 percent of bridges over STRAHNET routes had vertical clearances greater than 16 feet, up from 68.6 percent in 1995. This measure is important because military convoys and emergency response vehicles need to be able to clear structures on the STRAHNET system.

Percent of STRAHNET routes under bridges with clearances greater than 16 feet, 1995 to 2002. Bar chart plotting values over time. From an initial value of 68.6 percent in 1995, the value falls to 67.9 percent in 1996, rises to 69.5 percent in 1997, and then falls to 69.4 percent in 1998. In 1999, the value rises to 70.4 percent, to 70.8 percent in 2000, and 71 percent in 2001, and then drops to 70.9 percent in 2002.
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