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7 MILE RD (CHENEY) over I-75 SB

Map

Coordinates:
+44.55471, -84.70610
44°33'17" N, 84°42'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:7 MILE RD (CHENEY) over I-75 SB
Structure number:000000000002055
Old structure number:20120052000S010 (from 1992 edition)
Location:7.0 MI S OF GRAYLING
Purpose:Carries highway over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:95.8 ft. [29.2 m]
Total length:174.9 ft. [53.3 m]
Roadway width between curbs:37.7 ft. [11.5 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:80 [as of 1974]
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairGoodFairSatisfactory8081.9
March 2016FairSatisfactoryGoodGood8092.9
April 2014FairSatisfactoryGoodGood8092.9
April 2012FairSatisfactoryGoodGood8092.9
February 2011FairSatisfactoryGoodGood8092.9
February 2009FairSatisfactoryGoodGood8094.0
February 2007FairSatisfactoryGoodVery Good8094.0
February 2005FairSatisfactoryGoodVery Good8095.4
November 2003FairSatisfactoryGoodVery Good8095.4
November 2001FairSatisfactoryGoodVery Good8097.8
February 2001FairSatisfactoryGoodVery Good8097.8
August 1999FairSatisfactoryGoodVery Good8097.8
August 1997FairSatisfactoryVery GoodVery Good8098.8
July 1995GoodGoodVery GoodVery Good8098.7
June 1993GoodGoodVery GoodVery Good8098.7
April 1991GoodGoodVery GoodVery Good8099.0