CSAH 21 over I 94


+44.95494, -92.79680
44°57'18" N, 92°47'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:CSAH 21 over I 94
Structure number:82848
Location:8.0 MI E OF JCT TH 494
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:142.4 ft. [43.4 m]
Total length:290.0 ft. [88.4 m]
Roadway width between curbs:46.9 ft. [14.3 m]
Deck width edge-to-edge:58.7 ft. [17.9 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:24°
Owner:State Highway Agency [01]
Year built:1983
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: August 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,950 [as of 2005]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:88.9 tons [80.8 metric tons]
Inventory rating:53.2 tons [48.4 metric tons]
Sufficiency rating:97.7

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201597.7FairSatisfactoryGoodGood-2950
September 201397.7FairSatisfactoryGoodGood-2950
September 201197.7FairSatisfactoryGoodGood-2950
October 200997.7FairSatisfactoryGoodGood-2950
October 200797.7FairSatisfactoryGoodGood-2950
June 200697.7FairSatisfactoryGoodGood-2950
April 200597.8FairSatisfactoryGoodGood-2500
October 200397.9FairSatisfactoryGoodGood-1400
December 200297.9GoodGoodGoodGood-1400
September 200197.9GoodGoodGoodGood-1400
October 200097.9GoodGoodGoodGood-1400
October 199997.9GoodGoodGoodGood-1400
May 199897.9GoodGoodGoodGood-1400
July 199696.9GoodGoodGoodGood-1350
August 199596.9GoodGoodGoodGood-1350
November 199496.9GoodGoodVery GoodGood-1300
October 199396.9GoodGoodVery GoodGood-1300
September 199296.9GoodGoodVery GoodGood-1450
August 199196.9GoodGoodVery GoodGood-1450