Historic Bridges
of the United States
Portage River Bridge
St. Joseph County
,
Michigan
Overview
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Terraserver USA
Facts
Overview
Concrete arch bridge over Portage River on M-60 in Three Rivers
Location
St. Joseph County
,
Michigan
Status
Open to traffic
History
Built 1925
Design
Arch
Dimensions
Length of largest span: 27.9 ft.
Total length: 55.8 ft.
Deck width: 45.9 ft.
Approximate latitude, longitude
+41.94417, -85.63111
(decimal degrees)
41°56'39" N, 85°37'52" W
(degrees°minutes'seconds")
Approximate UTM coordinates
16/613468/4644483
(zone/easting/northing)
USGS topographic map
Three Rivers West
Inventory number
BH 20247
(Bridgehunter.com ID)
Inspection
(as of 09/2007)
Superstructure condition rating:
Fair
(5 out of 9)
Substructure condition rating:
Good
(7 out of 9)
Sufficiency rating: 74.5
(out of 100)
Average daily traffic
(as of 2003)
6,519
Categories
Arch
(7,667)
Built 1925
(686)
Built during 1920s
(4,735)
Deck arch
(6,752)
Functionally obsolete
(5,757)
Michigan
(433)
Open
(22,113)
Owned by state
(6,724)
Span length 25-50 feet
(6,213)
St. Joseph County, Michigan
(15)
Total length 50-75 feet
(5,033)
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