+43.13258, -85.26330
43°07'57" N, 85°15'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-91 over WABASIS CREEK
Structure number:000000000007438
Old structure number:59159031000B010 (from 1992 edition)
Location:1.0 MI N OF IONIA CO LINE
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:34.8 ft. [10.6 m]
Total length:34.8 ft. [10.6 m]
Roadway width between curbs:39.0 ft. [11.9 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: November 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:9,376 [as of 2007]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inventory rating:57.0 tons [51.8 metric tons]
Sufficiency rating:80.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201580.3FairSatisfactoryFairGood-9376
November 201380.3FairSatisfactoryFairGood-9376
March 201278.3FairSatisfactoryFairGood-9376
April 201078.3FairSatisfactoryFairGood-9376
April 200878.3FairSatisfactoryFairGood-9376
April 200678.1FairSatisfactoryFairGood-9802
April 200478.3FairFairFairGood-9200
May 200291.7Fair-SatisfactoryGood-9200
August 200091.7Fair-SatisfactoryGood-9200
August 199896.8FairGoodSatisfactoryGood-9200
July 199691.7FairGoodSatisfactoryGood-9200
May 199492.3FairGoodSatisfactoryGood-7000
May 199292.3GoodVery GoodVery GoodGood-7000
May 199092.3GoodVery GoodVery GoodGood-7000