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Speaker Road Bridge

Map 

Street View 

Facts 

Overview
Pony truss bridge over South Branch Mill Creek Drain on Speaker Road
Location
St. Clair County, Michigan
Status
Replaced by a new bridge
History
Built 1908
Design
Pony truss
Dimensions
Length of largest span: 65.9 ft.
Total length: 69.9 ft.
Deck width: 14.8 ft.
Approximate latitude, longitude
+43.11333, -82.89222   (decimal degrees)
43°06'48" N, 82°53'32" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/346049/4775138 (zone/easting/northing)
Quadrangle map:
Capac
Inventory numbers
MINBI 77318H00032B010 (Michigan bridge number on the National Bridge Inventory 2010 and before)
MINEW 10217 (Michigan bridge number on the National Bridge Inventory 2011 and later)
BH 20236 (Bridgehunter.com ID)
Inspection (as of 07/2007)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Critical (2 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 16.3 (out of 100)
Average daily traffic (as of 1994)
122

Update Log 

  • March 3, 2016: Updated by Royce and Bobette Haley: changed status
  • November 22, 2013: New Street View added by J.P.

Sources 

  • Historicbridges.org - by Nathan Holth
  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com