|
gptkbp:instanceOf
|
gptkb:bridge
|
|
gptkbp:annualEvent
|
gptkb:Mackinac_Bridge_Walk
|
|
gptkbp:carries
|
gptkb:Interstate_75
|
|
gptkbp:clearanceBelow
|
155 feet
|
|
gptkbp:connects
|
gptkb:Lower_Peninsula_of_Michigan
gptkb:Upper_Peninsula_of_Michigan
|
|
gptkbp:constructionStartYear
|
May 7, 1954
|
|
gptkbp:crosses
|
gptkb:Straits_of_Mackinac
|
|
gptkbp:designer
|
gptkb:David_B._Steinman
|
|
gptkbp:engineer
|
gptkb:David_B._Steinman
|
|
gptkbp:height_of_towers
|
552 feet
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Mackinac Bridge
|
|
gptkbp:length
|
8,614 feet
|
|
gptkbp:listedOn
|
gptkb:National_Register_of_Historic_Places_(as_a_Historic_Civil_Engineering_Landmark)
|
|
gptkbp:locatedIn
|
gptkb:Emmet_County
gptkb:Mackinac_County
|
|
gptkbp:location
|
gptkb:Michigan
|
|
gptkbp:mainSpan
|
3,800 feet
|
|
gptkbp:maintainedBy
|
gptkb:Mackinac_Bridge_Authority
|
|
gptkbp:material
|
gptkb:steel
concrete
|
|
gptkbp:nickname
|
gptkb:Big_Mac
gptkb:Mighty_Mac
|
|
gptkbp:numberOfLanes
|
4
|
|
gptkbp:officialWebsite
|
https://www.mackinacbridge.org/
|
|
gptkbp:opened
|
November 1, 1957
|
|
gptkbp:owner
|
gptkb:State_of_Michigan
|
|
gptkbp:part_of
|
gptkb:Lake_Michigan–Lake_Huron_waterway
|
|
gptkbp:toll
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Midwestern_United_States
|
|
gptkbp:bfsLayer
|
4
|