ISABELLA ROAD over CHIPPEWA RIVER

Map

Coordinates:
+43.63465, -84.74818
43°38'05" N, 84°44'53" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	ISABELLA ROAD over CHIPPEWA RIVER
Structure number:	000000000004318
Old structure number:	37200062000B030 `(from 1992 edition)`
Location:	0.5 M N SE COR SEC 2 T14N
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	52.8 ft. `[16.1 m]`
Total length:	153.9 ft. `[46.9 m]`
Roadway width between curbs:	33.1 ft. `[10.1 m]`
Deck width edge-to-edge:	33.1 ft. `[10.1 m]`
Skew angle:	15°
Owner:	County Highway Agency `[02]`
Year built:	1972
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 18 / H 20 `[4]`
Number of main spans:	3
Main spans material:	Prestressed concrete `[5]`
Main spans design:	Box beam or girders - Multiple `[05]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	1,330 `[as of 2002]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Good `[7 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]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	87.3

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2018	Fair	Good	Fair	Good	1330	87.3
April 2016	Fair	Good	Fair	Good	1330	87.3
April 2014	Fair	Good	Fair	Good	1330	87.3
April 2012	Fair	Good	Fair	Good	1330	87.3
May 2010	Fair	Satisfactory	Fair	Good	1330	84.3
May 2008	Fair	Satisfactory	Fair	Good	1330	84.2
May 2006	Fair	Good	Fair	Good	1330	84.3
June 2004	Fair	Good	Satisfactory	Good	1330	95.4
July 2002	Fair	Good	Fair	Good	1330	84.3
July 2000	Fair	Good	Satisfactory	Good	1210	95.4
July 1998	Fair	Good	Satisfactory	Good	1210	95.4
July 1996	Fair	Good	Satisfactory	Good	954	92.8
July 1994	Fair	Good	Satisfactory	Good	954	96.6
July 1992	Fair	Good	Satisfactory	Good	954	96.6
April 1990	Good	Good	Very Good	Very Good	954	96.6