M-100 over GRAND RIVER


+42.75450, -84.74416
42°45'16" N, 84°44'39" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-100 over GRAND RIVER
Structure number:000000000002286
Old structure number:23123072000B010 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:107.0 ft. [32.6 m]
Total length:535.1 ft. [163.1 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Owner:State Highway Agency [01]
Year built:1989
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:5
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: July 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,838 [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:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:97.6 tons [88.7 metric tons]
Inventory rating:42.2 tons [38.4 metric tons]
Sufficiency rating:64.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201564.0FairSatisfactoryFairSatisfactoryFO13838
July 201376.0FairSatisfactoryGoodSatisfactoryFO13838
July 201176.0FairSatisfactoryGoodSatisfactoryFO13838
July 200976.0FairSatisfactoryGoodSatisfactoryFO13838
October 200876.0FairSatisfactoryGoodGoodFO13838
June 200775.9FairSatisfactoryGoodGoodFO14220
May 200576.5FairSatisfactoryGoodGoodFO15000
May 200375.6FairSatisfactoryVery GoodGoodFO15000
May 200175.6FairSatisfactoryVery GoodGoodFO15000
September 199975.6FairSatisfactoryVery GoodGoodFO15000
November 199775.6FairSatisfactoryVery GoodVery Good-15000
July 199575.1GoodGoodVery GoodVery Good-15200
October 199375.1GoodVery GoodVery GoodVery Good-15200
December 199175.1GoodVery GoodVery GoodVery Good-15200
November 199175.1GoodVery GoodVery GoodVery Good-15200