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Excel | CSV | Graphic Version
Montana Year Total # of Bridges Structurally deficient Functionally obsolete Total of Both # % # % # % 1996 5,016 597 12 699 14 1,296 26 1997 5,016 594 12...Excel | CSV | Table Version
Montana United StatesSOURCE: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory: Deficient Bridges by State and Highway System,...
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(Miles)
Interstate Other Freeways & Expressways Other Principal Arterial Urban Minor Arterial Urban Collector Total 57 0 172 25 0 Very good 4 0...Excel | CSV | Table Version
KEY FOR DATA ON THIS PAGE: N = data do not exist; NA = not applicable.
NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the...
Excel | CSV | Graphic Version
(Miles)
Interstate Other Principal Arterial Minor Arterial Major Collector Total 1,134 2,616 2,989 37 Very good 354 322 374 0 Good 501 1,...Excel | CSV | Table Version
NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International Roughness Index (IRI). IRI is a measure of surface condition. A...
All public roads: 69,567 milesInterstate: 1,191 milesRoad bridges: 4,979Class I railroad trackage: 2,277 milesPublic use airports: 118 (8 certificated for air carrier operations)1
Vehicles and ConveyancesAutomobiles registered:...
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 Transportations (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 nations large certificated air...
Norman Y. Mineta Secretary
Michael P. Jackson Deputy Secretary
Bureau of Transportation StatisticsRick Kowalewski Acting Director
William J. Chang Associate Director for Information Technology...