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BLACK RIVER ROAD over UPPER BLACK RIVER

Map

Coordinates:
+45.46790, -84.30305
45°28'04" N, 84°18'11" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BLACK RIVER ROAD over UPPER BLACK RIVER
Structure number:000000000001537
Old structure number:16200025000B020 (from 1992 edition)
Location:SEC 34 T36N R1E
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:36.1 ft. [11.0 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:County Highway Agency [02]
Year built:1935
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:1,500 [as of 2005]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:63.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairFairFairFair150063.0
August 2015FairFairFairFair150063.0
July 2013FairFairFairFair150063.0
July 2011FairFairFairFair150063.0
July 2009FairFairFairFair150063.0
September 2007PoorFairFairPoor150044.3
August 2005FairSatisfactorySatisfactoryFair150069.4
August 2003FairGoodSatisfactoryFair124070.4
August 2001FairGoodGoodFair124070.4
August 1999FairGoodGoodFair124070.4
September 1997FairGoodGoodFair98073.8
September 1995FairGoodGoodFair98068.5
August 1993FairGoodGoodFair98068.5
August 1991FairGoodGoodFair98068.5