+43.61829, -84.74811
43°37'06" N, 84°44'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ISABELLA RD over US-127
Structure number:000000000004253
Old structure number:37137014000S010 (from 1992 edition)
Location:0.7 MI N OF M-20
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:79.7 ft. [24.3 m]
Total length:230.0 ft. [70.1 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:26°
Owner:State Highway Agency [01]
Year built:1964
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:4
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: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:110 [as of 1974]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:86.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairSatisfactoryGoodSatisfactory11086.5
April 2015GoodGoodGoodGood11083.1
April 2013GoodGoodGoodGood11083.1
April 2011GoodGoodGoodGood11081.1
April 2009GoodGoodGoodGood11081.1
April 2007GoodGoodGoodVery Good11081.1
April 2005GoodGoodGoodGood11081.1
April 2003GoodGoodGoodGood11081.1
April 2001GoodGoodGoodGood11081.1
July 1999GoodGoodGoodGood11086.1
June 1997GoodVery GoodGoodGood11084.1
October 1995GoodGoodGoodGood11083.7
July 1993GoodVery GoodGoodGood11083.7
March 1991GoodVery GoodGoodVery Good11088.4