COUNTY ROAD 612 over I-75 SB


+44.78587, -84.71543
44°47'09" N, 84°42'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY ROAD 612 over I-75 SB
Structure number:000000000002047
Old structure number:20120015000S060 (from 1992 edition)
Location:5.1 MI S OF OTSEGO COL
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:56.8 ft. [17.3 m]
Total length:129.9 ft. [39.6 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:32.8 ft. [10.0 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1961
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:390 [as of 1974]
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.9
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactoryFair39083.9
March 2016FairSatisfactorySatisfactorySatisfactory39094.9
April 2014FairSatisfactorySatisfactorySatisfactory39094.9
April 2012FairSatisfactorySatisfactorySatisfactory39094.9
February 2011FairSatisfactorySatisfactorySatisfactory39094.9
February 2009FairSatisfactorySatisfactorySatisfactory39094.9
February 2007FairSatisfactorySatisfactorySatisfactory39094.9
February 2005FairSatisfactorySatisfactorySatisfactory39094.9
December 2003FairSatisfactorySatisfactorySatisfactory39092.9
December 2001FairSatisfactorySatisfactorySatisfactory39092.9
November 2000FairSatisfactorySatisfactorySatisfactory39092.9
August 1999FairSatisfactorySatisfactorySatisfactory39097.9
August 1997FairSatisfactorySatisfactorySatisfactory39092.9
August 1995FairSatisfactorySatisfactorySatisfactory39092.9
June 1993FairSatisfactorySatisfactorySatisfactory39092.9
April 1991FairGoodGoodSatisfactory39092.9