|
gptkbp:instanceOf
|
roller coaster
|
|
gptkbp:annualRidership
|
over 4 million vehicles
|
|
gptkbp:architect
|
gptkb:David_B._Steinman
|
|
gptkbp:averageTemperature
|
15.75 inches
42,000 feet
on both shores
|
|
gptkbp:built
|
1954
3 years
spanning the straits
|
|
gptkbp:colors
|
gptkb:international_orange
|
|
gptkbp:construction_cost
|
$99 million
|
|
gptkbp:crosses
|
Straits of Mackinac
|
|
gptkbp:design
|
cantilever
|
|
gptkbp:duration
|
2 minutes
|
|
gptkbp:emergencyServices
|
accessible via bridge
|
|
gptkbp:events
|
annual bridge walk
|
|
gptkbp:famous_for
|
scenic views
|
|
gptkbp:height
|
200 feet
140 feet
552 feet
|
|
gptkbp:historical_significance
|
National_Historic_Civil_Engineering_Landmark
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Mighty Mac
|
|
gptkbp:inspiration
|
other bridge designs
|
|
gptkbp:is_a_symbol_of
|
Michigan's_economy
|
|
gptkbp:is_featured_in
|
films and documentaries
postcards and souvenirs
|
|
gptkbp:is_used_in
|
marathon events
|
|
gptkbp:isEngagedIn
|
0
|
|
gptkbp:length
|
6,500 feet
|
|
gptkbp:lighting
|
LED lights
|
|
gptkbp:location
|
gptkb:Mackinac_Island,_Michigan
|
|
gptkbp:maintenance
|
gptkb:Michigan_Department_of_Transportation
regular inspections
|
|
gptkbp:manufacturer
|
Intamin
|
|
gptkbp:nearby_attractions
|
yes
|
|
gptkbp:nickname
|
gptkb:Mackinac_Bridge
|
|
gptkbp:numberOfEpisodes
|
two main cables
|
|
gptkbp:opened
|
1984
|
|
gptkbp:openedIn
|
gptkb:Governor_G._Mennen_Williams
|
|
gptkbp:passenger_traffic
|
1957
motor vehicles
five lanes
|
|
gptkbp:productLine
|
3,800 feet
|
|
gptkbp:public_transport_access
|
yes
|
|
gptkbp:region
|
Upper_and_Lower_Michigan
|
|
gptkbp:significance
|
longest_suspension_bridge_in_the_Western_Hemisphere
|
|
gptkbp:speed
|
55 mph
|
|
gptkbp:surrounding_area
|
yes
|
|
gptkbp:suspension
|
made of steel
|
|
gptkbp:toll
|
yes
$4.00 for passenger vehicles
|
|
gptkbp:type
|
suspension bridge
|
|
gptkbp:waterManagement
|
designed to withstand high winds
|