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MILLIGAN HWY over BLACK RIVER

Map

Coordinates:
+45.27794, -84.24351
45°16'41" N, 84°14'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MILLIGAN HWY over BLACK RIVER
Structure number:000000000008984
Old structure number:71301B00009B010 (from 1992 edition)
Location:0.9 MI WEST OF M-33
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:62.7 ft. [19.1 m]
Total length:64.0 ft. [19.5 m]
Roadway width between curbs:30.8 ft. [9.4 m]
Deck width edge-to-edge:31.2 ft. [9.5 m]
Owner:County Highway Agency [02]
Year built:1986
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:180 [as of 2007]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:98.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017GoodGoodGoodGood18098.9
September 2015GoodGoodGoodGood18098.9
September 2013GoodGoodGoodGood18098.9
September 2011GoodGoodGoodGood18098.9
September 2009GoodGoodGoodGood18098.9
July 2007GoodGoodGoodGood18098.9
June 2005GoodVery GoodVery GoodVery Good18098.9
April 2003GoodVery GoodVery GoodVery Good18098.9
April 2001GoodVery GoodVery GoodVery Good18098.9
January 1999GoodVery GoodVery GoodVery Good18098.9
October 1996GoodVery GoodVery GoodVery Good18098.9
July 1994GoodVery GoodVery GoodVery Good18098.9
May 1992GoodVery GoodVery GoodVery Good18098.9
November 1989GoodExcellentVery GoodVery Good18099.9