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Ontonagon River Bridge

Photo 

Ontonagon River Bridge

Removed

Photo taken by Douglas Butler in April 2013

Enlarge

BH Photo #376759

Map 

Facts 

Overview
Lost swing bridge over Ontonagon River on M-64 in Ontonagon
Location
Ontonagon County, Michigan
Status
Removed
History
Built 1939
Design
Swing
Dimensions
Length of largest span: 98.8 ft.
Total length: 309.1 ft.
Deck width: 25.9 ft.
Approximate latitude, longitude
+46.87250, -89.32167   (decimal degrees)
46°52'21" N, 89°19'18" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/323077/5193612 (zone/easting/northing)
Quadrangle map:
Ontonagon South
Inventory numbers
MINBI 66166013000B120 (Michigan bridge number on the National Bridge Inventory 2010 and before)
MINEW 13265 (Michigan bridge number on the National Bridge Inventory 2011 and later)
BH 20192 (Bridgehunter.com ID)
Inspection (as of 05/2008)
Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Sufficiency rating: 99.8 (out of 100)
Average daily traffic (as of 2007)
3,625

Categories 

Built 1939 (691)
Built during 1930s (10,694)
Flared (406)
Lost (18,947)
Michigan (886)
Movable (2,712)
Ontonagon County, Michigan (9)
Owned by state (13,898)
Span length 75-100 feet (5,884)
Swing (1,251)
Total length 250-500 feet (4,671)

Update Log 

  • January 25, 2017: New photo from Douglas Butler

Sources 

Comments 

Ontonagon River Bridge
Posted November 11, 2008, by Anonymous

Unfortunately, "progess" has seen the demise of this wonderful bridge, as a new multimillion dollar bridge has replaced it.