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gptkbp:instance_of
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gptkb:bridge
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gptkbp:bfsLayer
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3
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gptkbp:bfsParent
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gptkb:state_highway
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gptkbp:annual_event
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Bridge Walk
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gptkbp:architect
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gptkb:David_B._Steinman
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gptkbp:challenges
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overcome during construction
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gptkbp:color
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international orange
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gptkbp:community_events
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held annually
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gptkbp:connects
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gptkb:Lower_Peninsula_of_Michigan
gptkb:Upper_Peninsula_of_Michigan
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gptkbp:constructed_in
|
3 years
May 7, 1954
cantilevered construction
November 1957
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gptkbp:construction_cost
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$99 million
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gptkbp:cultural_events
|
hosted nearby
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gptkbp:cultural_significance
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symbol of Michigan
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gptkbp:depicted_in
|
up to 20 miles
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gptkbp:design
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gptkb:Leonard_P._Zakim
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gptkbp:educational_programs
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gptkb:battle
|
|
gptkbp:emergency_services
|
in place
available on site
5 lanes
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|
gptkbp:employees
|
over 3,500 employed
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gptkbp:environmental_impact
|
studies conducted
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|
gptkbp:famous_for
|
its views of Lake Huron
its views of the Straits of Mackinac
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|
gptkbp:fishing_regulations
|
available nearby
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gptkbp:has_public_transport
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gptkb:battle
|
|
gptkbp:height
|
552 feet
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gptkbp:historical_significance
|
National Historic Civil Engineering Landmark
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|
https://www.w3.org/2000/01/rdf-schema#label
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Mackinaw Bridge
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gptkbp:infrastructure
|
on both shores
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gptkbp:inspiration
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gptkb:Golden_Gate_Bridge
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gptkbp:is_featured_in
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gptkb:television_series
gptkb:films
|
|
gptkbp:landmark
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gptkb:battle
|
|
gptkbp:length
|
7,400 feet
15.75 inches
26,372 feet
|
|
gptkbp:location
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gptkb:Michigan
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gptkbp:maintenance
|
gptkb:Michigan_Department_of_Transportation
regular inspections
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gptkbp:material
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gptkb:item
|
|
gptkbp:nickname
|
gptkb:Big_Mac
|
|
gptkbp:open_to_public
|
November 1, 1957
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|
gptkbp:opened
|
November 1, 1957
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gptkbp:opening_ceremony
|
attended by thousands
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gptkbp:parking
|
allowed on certain days
|
|
gptkbp:photography
|
popular spot for photographers
|
|
gptkbp:safety_features
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gptkb:computer
traffic cameras
wind sensors
|
|
gptkbp:seating_capacity
|
implemented during peak seasons
approximately 15,000 vehicles per day
|
|
gptkbp:significance
|
longest suspension bridge in the Western Hemisphere at the time of completion
|
|
gptkbp:style
|
gptkb:architect
|
|
gptkbp:suspension
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gptkb:bridge
|
|
gptkbp:tour
|
available for schools
offered to visitors
|
|
gptkbp:tourist_attraction
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gptkb:battle
|
|
gptkbp:tradition
|
associated with legends
|
|
gptkbp:transportation
|
gptkb:battle
|
|
gptkbp:viewpoint
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gptkb:Mackinaw_City
gptkb:St._Ignace
|
|
gptkbp:weather_conditions
|
limited
can be windy
|