USH 12 EB over CTH NN


+42.61524, -88.44703
42°36'55" N, 88°26'49" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:USH 12 EB over CTH NN
Structure number:B64003500000000
Location:5.8 MI E JCT IH 43
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:54.1 ft. [16.5 m]
Total length:143.4 ft. [43.7 m]
Roadway width between curbs:39.0 ft. [11.9 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1967
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:3
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: April 2015 

Status:Open, no restriction [A]
Average daily traffic:7,080 [as of 2012]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:50.3 tons [45.7 metric tons]
Inventory rating:30.3 tons [27.5 metric tons]
Sufficiency rating:91.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201591.1Not deficientFairSatisfactorySatisfactory7080
April 201380.8Not deficientSatisfactoryFairSatisfactory11000
April 201191.1Not deficientSatisfactorySatisfactorySatisfactory9100
April 200991.1Not deficientSatisfactorySatisfactorySatisfactory8600
April 200791.1Not deficientSatisfactorySatisfactorySatisfactory5775
September 200591.1Not deficientSatisfactorySatisfactoryGood5775
September 200390.1Not deficientFairSatisfactoryGood5775
October 200290.1Not deficientFairSatisfactorySatisfactory5775
February 200190.1Not deficientFairSatisfactorySatisfactory7700
July 199988.1Not deficientFairGoodSatisfactory6390
November 199788.1Not deficientFairVery GoodGood9025
March 199689.1Not deficientSatisfactoryVery GoodGood9025
February 199589.8Not deficientSatisfactoryVery GoodGood9025
March 199489.8Not deficientSatisfactoryVery GoodGood2190
March 199289.8Not deficientSatisfactoryVery GoodSatisfactory2190
February 199189.8Not deficientSatisfactoryVery GoodSatisfactory2190