ISABELLA RD over US-127

Map

Coordinates:
+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]`

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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2017	Fair	Satisfactory	Good	Satisfactory	110	86.5
April 2015	Good	Good	Good	Good	110	83.1
April 2013	Good	Good	Good	Good	110	83.1
April 2011	Good	Good	Good	Good	110	81.1
April 2009	Good	Good	Good	Good	110	81.1
April 2007	Good	Good	Good	Very Good	110	81.1
April 2005	Good	Good	Good	Good	110	81.1
April 2003	Good	Good	Good	Good	110	81.1
April 2001	Good	Good	Good	Good	110	81.1
July 1999	Good	Good	Good	Good	110	86.1
June 1997	Good	Very Good	Good	Good	110	84.1
October 1995	Good	Good	Good	Good	110	83.7
July 1993	Good	Very Good	Good	Good	110	83.7
March 1991	Good	Very Good	Good	Very Good	110	88.4