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M-48 over I-75,US-2

Map

Coordinates:
+46.18714, -84.56099
46°11'14" N, 84°33'40" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-48 over I-75,US-2
Structure number:000000000001576
Old structure number:17117033000S010 (from 1992 edition)
Location:2.0 MI N OF MACKINAC COL
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:71.9 ft. [21.9 m]
Total length:672.9 ft. [205.1 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:12
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: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:605 [as of 2007]
Truck traffic:27% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 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]
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:79.6
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairFairSatisfactoryFair60579.6
June 2016FairFairSatisfactoryFair60579.6
June 2014FairFairSatisfactoryFair60580.6
June 2012FairFairSatisfactoryFair60580.6
June 2010FairFairSatisfactoryFair60580.6
June 2008FairFairSatisfactoryFair60580.6
June 2006FairFairSatisfactoryFair46980.7
June 2004FairFairSatisfactoryFair48080.7
June 2002FairFairSatisfactoryFair48080.7
July 2000FairSatisfactoryGoodFair48081.7
September 1998FairGoodVery GoodSatisfactory48097.7
September 1996FairSatisfactoryVery GoodSatisfactory48092.7
October 1994FairSatisfactoryVery GoodSatisfactory40093.8
September 1992FairSatisfactoryVery GoodSatisfactory40093.8
October 1990FairSatisfactoryVery GoodSatisfactory40093.8