Figure 1-3: Highway Bridge Condition
Figure 1-3: Highway Bridge ConditionExcel | CSV | Graphic Version
Michigan Year Total # of Bridges Structurally deficient Functionally obsolete Total of Both # % # % # % 1996 11,385 2,416 21 1,570 14 3,...Excel | CSV | Graphic Version
Michigan Year Total # of Bridges Structurally deficient Functionally obsolete Total of Both # % # % # % 1996 11,385 2,416 21 1,570 14 3,...Excel | CSV | Table Version
Michigan United StatesSOURCE: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory: Deficient Bridges by State and Highway System, Washington...
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(Miles)
Interstate Other Freeways & Expressways Other Principal Arterial Urban Minor Arterial Urban Collector Total 499 225 1,973 517...Excel | CSV | Table Version
NOTE: Numbers may not add to 100 due to rounding.
NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International...
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(Miles)
Interstate Other principal arterial Minor arterial Major collector Total 742 2,749 4,113 N Very good 67 470 878...Excel | CSV | Table Version
NOTE: Numbers may not add to 100 due to rounding.
KEY FOR DATA ON THIS PAGE: N = data do not exist.
NOTE FOR DATA ON THIS PAGE: Road...
All public roads: 121,979 miles Interstate: 1,241 miles Road bridges: 10,581 Class I railroad trackage: 2,228 miles Public use airports: 228 (22 certificated for air carrier operations)1
Vehicles and ConveyancesAutomobiles...
British thermal unit (Btu): The amount of energy required to raise the temperature of 1 pound of water 1 degree Fahrenheit (F) at or near 39.2 degrees F and 1 atmosphere of pressure.
Certificated airport: An airport holding an operating certificate issued by the Federal...
The U.S. Department of Transportation's (USDOT) Bureau of Transportation Statistics (BTS) collects and compiles data on the volume of revenue passengers, freight, and mail traffic handled and reported by the nation's large...
Norman Y. Mineta Secretary
Michael P. Jackson Deputy Secretary
Bureau of Transportation StatisticsRick Kowalewski Acting Director
William J. Chang Associate Director for Information Technology
John V. Wells...