USH 12 WB over CTH NN


+42.61548, -88.44729
42°36'56" N, 88°26'50" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:USH 12 WB over CTH NN
Structure number:B64003600000000
Location:1.5 MI W JCT STH 120
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:14.8 ft. [4.5 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 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,810 [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:48.5 tons [44.1 metric tons]
Inventory rating:28.5 tons [25.9 metric tons]
Sufficiency rating:89.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201589.2FairFairSatisfactorySatisfactory-7810
April 201379.0FairSatisfactoryFairSatisfactory-11000
April 201190.1FairSatisfactorySatisfactorySatisfactory-8600
April 200990.1FairSatisfactorySatisfactorySatisfactory-8600
April 200790.1FairSatisfactorySatisfactorySatisfactory-5775
September 200590.1FairSatisfactorySatisfactoryGood-5775
September 200389.1FairFairSatisfactoryGood-5775
October 200289.1FairFairSatisfactoryGood-5775
February 200188.1FairFairGoodGood-7500
July 199986.1FairFairGoodGood-5760
November 199786.1FairFairVery GoodGood-9025
March 199687.1FairSatisfactoryVery GoodGood-9025
February 199587.8FairSatisfactoryVery GoodGood-9025
March 199487.8FairSatisfactoryVery GoodGood-2380
March 199287.8FairSatisfactoryVery GoodSatisfactory-2380
February 199187.8FairSatisfactoryVery GoodSatisfactory-2380