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Pearl Street Bridge

Kent County, Michigan

Photos 

View North, South Elevation

Photo by Michael Forrest, December 1982, for HAER

View photos at Library of Congress

BH Photo #121259

Map 

Facts 

Overview
Open spandrel arch bridge over Grand River on Pearl Street in Grand Rapids
Location
Grand Rapids, Kent County, Michigan
Status
Open to traffic
History
Built 1922 by Koss Construction Co.; rehabilitated 1983
Builders
- Koss Construction Co. of Des Moines, Iowa
- Westcott Engineering Co. of Chicago, Illinois (designer)
Design
"The bridge is a good example of open spandrel type arch construction, as described in engineering textbooks published during the first quarter of the twentieth century. This type of bridge construction is labor-intensive, and this design would not be considered cost effective or competitive in today's market place. The bridge setting is prominent and highly visible from adjacent commercial, public and park areas."

Jean P. Yearby, HAER, 1985
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Dimensions
Length of largest span: 97.8 ft.
Total length: 483.9 ft.
Deck width: 48.9 ft.
Approximate latitude, longitude
+42.96639, -85.67611   (decimal degrees)
42°57'59" N, 85°40'34" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/607967/4757932 (zone/easting/northing)
Quadrangle map:
Grand Rapids West
Average daily traffic (as of 2007)
17,945
Inventory numbers
MINBI 414278400154B01 (Michigan bridge number on the National Bridge Inventory 2010 and before)
MINEW 05186 (Michigan bridge number on the National Bridge Inventory 2011 and later)
BH 37181 (Bridgehunter.com ID)
Inspection report (as of August 2017)
Overall condition: Fair
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 78.8 (out of 100)
View more at BridgeReports.com

Categories 

Arch (12,650)
Built 1922 (743)
Built during 1920s (10,256)
Deck arch (11,887)
Grand Rapids, Michigan (14)
Historic Bridge Weekend 2014 (25)
Kent County, Michigan (35)
Koss Construction Co. (19)
 Michigan (1,389)
Open (40,961)
Open-spandrel arch (804)
Owned by city (6,078)
Span length 75-100 feet (6,650)
Total length 250-500 feet (5,505)
Westcott Engineering Co. (3)

Update Log 

  • February 23, 2015: Photo imported by Dave King
  • August 14, 2008: Added by J.R. Manning

Related Bridges 

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • HAER MI-8 - Pearl Street Bridge, Spanning Grand River at Pearl Street, Grand Rapids, Kent County, MI

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