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Parke Lane Road–Thorofare Canal Bridge

Coordinates: 42°10′5″N 83°8′38″W / 42.16806°N 83.14389°W / 42.16806; -83.14389
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Parke Lane Road–Thorofare Canal Bridge
East side of bridge
Parke Lane Road–Thorofare Canal Bridge is located in Michigan
Parke Lane Road–Thorofare Canal Bridge
Parke Lane Road–Thorofare Canal Bridge is located in the United States
Parke Lane Road–Thorofare Canal Bridge
LocationParke Lane Rd. over Thorofare Ch., Grosse Ile, Michigan
Coordinates42°10′5″N 83°8′38″W / 42.16806°N 83.14389°W / 42.16806; -83.14389
Arealess than one acre
Built1929
Built byGossner and Flynn
ArchitectWayne County Road Commission
Architectural styleconcrete arch bridge
MPSHighway Bridges of Michigan MPS
NRHP reference No.00000043[1]
Added to NRHPFebruary 4, 2000

The Parke Lane Road–Thorofare Canal Bridge is a bridge located on Parke Lane Road over the Thorofare Canal in Grosse Ile, Michigan. It was listed on the National Register of Historic Places in 2000.[1][2]

Side of bridge
Plaque on bridge—Park Road is now Parke Lane[3]
West railing on bridge

History

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Some time near the beginning of the twentieth century, Grosse Ile Township constructed a hand-operated swing bridge at the intersection of Park Road (now Parke Lane) with the Thorofare Canal.[3] However, by 1929, the old bridge was deteriorating[2] and the increasing volume of traffic and weight of vehicles had rendered the lightweight swing bridge obsolete. In 1929/1930, the Wayne County Road Commission replaced the old bridge with a concrete cantilevered-arch span.[3]

The bridge was eventually heavily damaged and closed.[4]

Description

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The Parke Lane Road–Thorofare Canal Bridge is 99 feet long, with a span length of 51 feet and a width of 36 feet.[2] The bridge itself is of a rare cantilevered concrete arch design.[4][unreliable source] The traditional arch bridge design requires a complete arch; in contrast, the cantilevered arch design is divided into two structurally independent half-arches which are each cantilevered from one side.[4] A slab is suspended between the two cantilevered sections; in the Parke Lane Road–Thorofare Canal Bridge, this section is 18 feet long.[4] Close inspection of the sidewalls of the bridge reveals two seams marking the end of the cantilevered arms.[4]

A concrete balustrade with urn-shaped spindles runs along each side of the roadway, terminating at each end in an octagonal lamp stand.[2] Orange pebble aggregate is included in the spindle concrete mix for color and texture.[2]

Significance

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This bridge is significant as an outstanding product of the Wayne County Road Commission's bridge engineers because of its aesthetically pleasing design matched to the surroundings and as a representative of the unusual concrete cantilevered-arch construction.[3]

See also

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References

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  1. ^ a b "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009. Retrieved July 8, 2010.
  2. ^ a b c d e Staff. "Parke Lane Road Bridge". Historic Sites Online Michigan State Housing Development Authority. Archived from the original on May 11, 2012. Retrieved July 8, 2010.
  3. ^ a b c d Staff (May 16, 2002). "Parke Lane Rd.–Thorofare Canal Bridge". Michigan's Historic Bridges. Michigan Department of Transportation. Retrieved July 8, 2010.
  4. ^ a b c d e "Parke Lane Bridge". HistoricBridges.org. Retrieved August 23, 2010.
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