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Rockriver Road Bridge

Map 

Facts 

Note: The following information comes from the National Bridge Inventory and has not been verified.
Overview
Lost pony truss bridge over Rock River on Rockriver Road
Location
Alger County, Michigan
Status
Replaced by a new bridge
History
Built 1921; replaced 2007
Design
Pony truss
Dimensions
Length of largest span: 46.9 ft.
Total length: 53.8 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+46.45139, -86.92056   (decimal degrees)
46°27'05" N, 86°55'14" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/506101/5144204 (zone/easting/northing)
Quadrangle map:
Rock River
Average daily traffic (as of 2006)
145
Inventory numbers
MINBI 02200012000B010 (Michigan bridge number on the National Bridge Inventory 2010 and before)
MINEW 00058 (Michigan bridge number on the National Bridge Inventory 2011 and later)
BH 19946 (Bridgehunter.com ID)
Inspection report (as of September 2017)
Overall condition: Good
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Deck condition rating: Very Good (8 out of 9)
Sufficiency rating: 99.9 (out of 100)
View more at BridgeReports.com

Categories 

Alger County, Michigan (14)
Built 1921 (558)
Built during 1920s (9,739)
Lost (23,730)
Lost 2007 (325)
Lost during 2000s (4,104)
Michigan (1,106)
Owned by county (20,398)
Pony truss (15,998)
Replaced by new bridge (15,856)
Skewed (4,852)
Span length 25-50 feet (15,328)
Structurally deficient (14,891)
Total length 50-75 feet (9,128)
Truss (32,197)